porka one

7 Best Free Backlink Checker Tools, You Must Use them!

noreply@blogger.com (sahretech) — Sun, 31 Dec 2023 13:06:00 +0000

In the ever-growing digital era, the existence of backlinks in the online world is one of the key factors in determining the credibility and ranking of a website. Backlinks not only strengthen the authority of a web page in the eyes of search engines, but also increase visibility and visitor traffic. Therefore, it is important for website owners and online marketers to manage and monitor backlinks carefully. In this article, we'll explore seven of the best Backlink Checker tools that can help you optimize your backlink strategy, improve SEO rankings, and give you a competitive edge in the digital realm.

1. Ahrefs

Ahrefs is the most complete digital marketing analysis tool. The features that Ahrefs has are more than enough to provide analytical data that is useful for website optimization. Amazingly, there are 16 trillion website pages that have been crawled which are always updated every 15-30 minutes!.

You can also check the backlink index in real time on Ahrefs. The way to check is very easy, you only need to go to Ahrefs Site Explorer then enter the link you want to check. Next, you will see backlink data pointing to your site.

You will get data on the top 100 backlinks from the link you are looking for. So you can also see backlinks from competitor domains. Ahrefs also helps you find out traffic from Google searches to backlink pages. This feature is very rare in other backlink checkers.

2. SEMrush

The second best backlink checker tool that is capable of checking backlinks is SEMrush. Because SEMrush actively crawls around 17 billion URLs per day and has analyzed more than 33 trillion backlinks.

To use this tool, you are required to create an account. After that, you only need to type the domain name that you want to check in SEMrush's Backlink Analysis.Then, you will see data like below.

The data provided by SEMrush is fairly complete. It can be seen in the detailed analysis table for each backlink. In fact, SEMrush also has other backlink features. Such as, Backlink Audit, Link Building Tool, and Backlink Gap. You can use everything to maximize your backlink process.

3. UberSuggest

The third backlink checker that we recommend is UberSuggest from neilpatel.com. The method is very easy because you can directly check backlinks in UberSuggest Backlink Checker, as shown in the image below. But of course, you are asked to sign up to get more complete data.

4. Moz Pro

If you want complete features and in-depth data, maybe Moz Pro which has data on 40 trillion backlinks could be an option. You just need to type the domain name you want to search for in Link Research. Then, you will be asked to sign up and, voila! You will be met with data like below.

Moz Pro also provides a Link Intersect feature to compare backlinks on your website with five competitor websites at once. So, you can find out competitors' backlinks that you don't have.

5. OpenLinkProfiler

OpenLinkProfiler lets you check and analyze backlinks for free. After entering the URL of the domain you want to check in OpenLinkProfiler, you will be presented with a display like this.

At the top of the screen, you will see the total number of backlinks and the number of domains leading to the website. This data is supported by a backlink details table at the bottom of the screen.

There is a Link Influence Score which shows the quality of the backlink. Complete with the dofollow or nofollow backlink type, as well as the backlink text and target link.

6. BuzzSumo

The next tool is BuzzSumo which can analyze the content of your website and also your competitors. Before using it, you must sign up first. Next, you can check backlinks easily, just click Content and select Backlink, then enter the URL you want to check.

You can set filters to search for backlinks on your website. There are four filters that can be searched, namely, Past Year, Domains, Target links to exact page, All results per domain. BuzzSumo provides unique data than others, namely social media engagement data for your website content. Such as, Facebook engagement, Twitter shares, and others.

7. LinkMiner

In seventh place, there is LinkMiner as an alternative that you can use. This backlink checker from Mangools can be a solution with a minimal budget. After creating an account, you can type the URL you want to check on the dashboard in the Backlink Analysis menu and you will get a display like the one below.

In the report above, you can set data options including All, New (new backlinks) and Lost (lost backlinks). You can also activate filters to view Dofollow and Nofollow backlinks, as well as Active or Deleted backlinks.

Managing backlinks is no longer just an option, but a necessity in an effort to improve website performance and visibility. By using the best Backlink Checker tools discussed above, you can effectively monitor and manage your site's backlink footprint. As search engine algorithm changes continue to develop, the right backlink policy can be the key to success in facing increasingly fierce online competition. Don't hesitate to choose the tool that suits your needs and continue to hone your backlink strategy to achieve sustainable excellence in this dynamic digital world.

Learn to Create CRUD Applications in Flutter and Firebase

noreply@blogger.com (sahretech) — Wed, 27 Dec 2023 03:49:00 +0000

Hello everyone, welcome back at porkaone. This time we will learn how to create a Flutter application and use a Firebase database to store data. Are you curious? Come on, follow the complete tutorial below.

Learn to Create Flutter and Firebase CRUD

1. Create a firebase project at https://firebase.google.com

2. Then connect the flutter project with firebase. You can follow how to connect the two via the following link https://www.porkaone.com/2023/12/tutorial-on-how-to-set-up-firebase-and.html. Or follow the tutorial via the video How to Connect Flutter and Firebase. The tutorial must be followed. Because it is related to the next stage.

3. Open firebase. Then go to the build menu --> firestore database --> click start collection to create a new collection. We can equate collections with databases in MySQL.

Firebase

4. Click start collection -> fill in the collection ID with notes --> then click next

Firebase

5. Then click auto-ID to fill in the document ID value. Fill in the first field and add the next field as shown in the image below. Then click save to save the collection.

6. Now your collection is ready. Next, we will display this data collection in the flutter project that you have prepared.

Firebase Collection

7. Open your respective flutter projects. I assume, you have prepared a flutter project and are connected to firebase. But if not, please follow the tutorial again in stage 2.

8. Ok, please open the pubspec.yaml file. Then add the firebase_core: ^2.23.0 and cloud_firestore: ^4.4.5 packages as shown below. Then save the file to download the required packages.

Add Package

9. Open the main.dart file, then replace it with the script below.



import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';

import 'firebase_options.dart';
import 'home_page.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );
  
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Firebase CRUD',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: HomePage(),
    );
  }
}

10. Create a home_page.dart file in the lib folder. Then follow the script as below.



// ignore_for_file: prefer_const_constructors, use_key_in_widget_constructors

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter_firebase_auth/input_data_page.dart';

class HomePage extends StatelessWidget {
  final CollectionReference dataCollection =
      FirebaseFirestore.instance.collection('catatan');

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Firebase CRUD'),
      ),
      body: StreamBuilder(
        stream: dataCollection.snapshots(),
        builder: (context, snapshot) {
          if (!snapshot.hasData) {
            return CircularProgressIndicator();
          }

          return ListView.builder(
            itemCount: snapshot.data!.docs.length,
            itemBuilder: (context, index) {
              var data = snapshot.data!.docs[index];
              return ListTile(
                title: Text(data['judul']),
                subtitle: Text(data['deskripsi']),
                trailing: IconButton(
                  icon: Icon(Icons.edit),
                  onPressed: () {
                  },
                ),
              );
            },
          );
        },
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          
        },
        child: Icon(Icons.add),
      ),
    );
  }
}

11. Next, open android/app/build.gradle. Then change it to minSdkVersion 19. Then add multiDexEnabled = true and implementation 'com.android.support:multidex:1.0.1' as shown below. This is important to add to avoid errors.

Add Script

12. Ok, now you can do the test. Please run this flutter project via the emulator. If successful, the display will look like the image below.

Final Result

Creating Google Login in Flutter with Firebase

noreply@blogger.com (sahretech) — Wed, 27 Dec 2023 03:08:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a Google login in Flutter. How do you do it? Let's follow the discussion below.

Creating a Login Feature with Google Login in Flutter

1. Create a new flutter project. Use flutter version 3 or newer version of flutter.

2. Connect the firebase project with your flutter project. You can follow the tutorial at the following link. https://www.porkaone.com/2023/12/tutorial-on-how-to-set-up-firebase-and.html. You must follow this link so that the data can be saved to Firebase.

3. Open cmd or terminal then go to the android folder and type .\gradlew SigInReport then the SHA-1 key will appear as below. Copy and save the code.

SHA-1 Key

4. Next we will add the SHA-1 key. Go back to the Firebase project, then click the gear icon, then select project settings

SHA-1 Key

5. Scroll to the bottom of the page then click the add fingerprint button to add the SHA-1 key. Copy the SHA-1 key that was obtained previously and click save to save.

SHA-1 Key

6. Click the build menu --> Authentication --> then select the sign-in method tab --> then under additional providers select Google

Add Google Providers

7. Click or switch enable then scroll down and click save --> then click done. At this point, all matters with Google Firebase are complete. Next, we start coding!

8. Go back to the flutter project. Open the pubspec.yaml file then add the firebase_core: ^2.19.0 package and google_sign_in: as shown below. Then save the file to download the package

9. Open the main.dart file then add the script below.



// ignore_for_file: prefer_const_constructors, avoid_print, unused_local_variable, prefer_const_literals_to_create_immutables, sized_box_for_whitespace, unused_field, invalid_return_type_for_catch_error

import 'package:flutter/material.dart';
import 'package:firebase_core/firebase_core.dart';
import 'firebase_options.dart';
import 'home.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Google Login',
      home: Scaffold(
        appBar: AppBar(
          title: Center(
            child: Text('Google Login in Flutter'),
          ),
        ),
        body: Container(
          alignment: Alignment.center,
          child: Home(),
        ),
      ),
    );
  }
}

10. Create a new file with the name home.dart in the lib folder. Then replace the script below



// Import library untuk menggunakan Flutter dan Google Sign-In
import 'package:flutter/material.dart';
import 'package:google_sign_in/google_sign_in.dart';

class Home extends StatefulWidget {
  const Home({Key? key}) : super(key: key);

  @override
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  final GoogleSignIn _googleSignIn = GoogleSignIn();
  GoogleSignInAccount? _currentUser;

  Future<void> signIn() async {
    try {
      final auth = await _googleSignIn.signIn();
      if (auth == null) {
        SnackBar(content: Text('User Tidak Memilih Akun. Klik tombol login '));
      } else {
        setState(() {
          _currentUser = auth;
        });
      }
    } catch (e) {
      print('Error signing in: $e');
    }
  }

  void signOut() async {
    final auth = await _googleSignIn.disconnect();

    setState(() {
      _currentUser = auth;
    });
  }

  @override
  Widget build(BuildContext context) {
    return _buildWidget();
  }

  Widget _buildWidget() {
    GoogleSignInAccount? user = _currentUser;
    
    if (user != null) {
      return Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Text(
            'Signed in successfully',
            style: TextStyle(fontSize: 20),
          ),
          SizedBox(
            height: 10,
          ),
          Container(
            width: 175,
            height: 175,
            child: ClipRRect(
              borderRadius: BorderRadius.circular(200),
              child: Image.network(
                user.photoUrl ??
                    'https://cdn.pixabay.com/photo/2016/04/24/20/52/laundry-1350593_1280.jpg',
                fit: BoxFit.cover,
              ),
            ),
          ),
          SizedBox(
            height: 10,
          ),
          Text(
            user.displayName!,
            style: TextStyle(fontSize: 20),
          ),
          SizedBox(
            height: 5,
          ),
          Text(
            user.email,
            style: TextStyle(fontSize: 20),
          ),
          Padding(
            padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 10),
            child: ElevatedButton(
                onPressed: signOut,
                child: Padding(
                  padding: const EdgeInsets.symmetric(vertical: 10),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Icon(
                        Icons.lock,
                        size: 30,
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Text('Keluar', style: TextStyle(fontSize: 30))
                    ],
                  ),
                )),
          ),
        ],
      );
    } else {
      return Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          FlutterLogo(
            size: 250,
          ),
          SizedBox(
            height: 20,
          ),
          Text(
            'Anda belum masuk',
            style: TextStyle(fontSize: 20),
          ),
          SizedBox(
            height: 10,
          ),
          Padding(
            padding: EdgeInsets.symmetric(horizontal: 40, vertical: 10),
            child: ElevatedButton(
              onPressed: signIn,
              child: Padding(
                padding: EdgeInsets.symmetric(vertical: 10),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Icon(
                      Icons.lock,
                      size: 30,
                    ),
                    SizedBox(
                      width: 5,
                    ),
                    Text('Masuk dengan Google', style: TextStyle(fontSize: 20))
                  ],
                ),
              ),
            ),
          ),
        ],
      );
    }
  }
}

11. All stages have been completed, now we can carry out trials. If the results are like the image below, it means you have succeeded

That's the tutorial on creating a Google login in Flutter. I hope it's useful. If you have any questions, please ask directly in the comments column below. That is all and thank you.

Create Login with Firebase feature in Flutter

noreply@blogger.com (sahretech) — Tue, 26 Dec 2023 12:37:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a login feature in Flutter with Firebase. How do you do it? Come on, follow the details below.

How to Create Login with Firebase in Flutter

1. Create a flutter project, use flutter version 3 or a newer version that supports null safety.

2. Create a new project in firebase via https://firebase.google.com. And connect the flutter project with firebase. Follow the tutorial at the following link https://www.porkaone.com/2023/12/tutorial-on-how-to-set-up-firebase-and.html. You must connect Flutter to Firebase, because if not, an error will occur.

3. After successfully connecting, return to your Firebase dashboard. Click the build menu --> Authentication --> then select the sign-in method tab --> on native providers --> select email/password. Pay attention to the image below!

Add Provider

4. Then click or switch enable as shown in the image below. Then click save. At this point, the Firebase configuration is complete. It's time for us to code!

Add Providers

5. Still on the authentication page. Click the Users tab --> click the add user button, then fill in the desired email and password --> then click add user to save the data.

Add User

6. Return to your flutter project. Then open the pubspec.yaml file and add the firebase_core: ^2.23.0 and firebase_auth: ^4.14.1 packages as shown below. Then save the file to download the package.

Add Package

7. Open the main.dart file then modify it with the script below.




import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';


import 'firebase_options.dart';
import 'home.dart';


void main() async {
  
  WidgetsFlutterBinding.ensureInitialized();

  
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

  
  runApp(MyApp());
}


class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Firebase Auth Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      
      home: LoginPage(),
    );
  }
}

class LoginPage extends StatefulWidget {
  @override
  _LoginPageState createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  final FirebaseAuth _auth = FirebaseAuth.instance;

  final TextEditingController _emailController = TextEditingController();
  final TextEditingController _passwordController = TextEditingController();

  Future<void> _login() async {
    try {
      UserCredential userCredential = await _auth.signInWithEmailAndPassword(
        email: _emailController.text,
        password: _passwordController.text,
      );

      Navigator.pushReplacement(
        context,
        MaterialPageRoute(
            builder: (context) => HomePage(userCredential.user?.email ?? "")),
      );
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
        content: Text('Email atau Password Anda Salah!'),
        action: SnackBarAction(
          label: 'Tutup',
          onPressed: () {
          },
        ),
      ));
      print("Error: $e");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Login'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            TextField(
              controller: _emailController,
              decoration: InputDecoration(labelText: 'Email'),
            ),
            TextField(
              controller: _passwordController,
              decoration: InputDecoration(labelText: 'Password'),
              obscureText: true,
            ),
            SizedBox(height: 20),
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: _login,
                child: Text('Login'),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

8. Create a new file with the name home.dart then add the script below.



import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';

import 'main.dart';

class HomePage extends StatelessWidget {
  final String userEmail;

  HomePage(this.userEmail);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Home'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Selamat datang, $userEmail!'),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: () async {
                await FirebaseAuth.instance.signOut();
                Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(builder: (context) => LoginPage()),
                );
              },
              child: Text('Logout'),
            ),
          ],
        ),
      ),
    );
  }
}

9. We have carried out all the steps. If successful, the display will look like the image below. Make sure all steps are carried out as above, if an error occurs, immediately ask directly in the comments column below.

You can create an even cooler appearance by using shapes and images as you wish.

OK, that's the tutorial on how to create a login feature with Firebase in Flutter. Hopefully this short tutorial is useful. If there are any problems, immediately ask directly in the comments column below. That's all and thank you very much.

Cool News Detail View in Flutter

noreply@blogger.com (sahretech) — Tue, 26 Dec 2023 12:16:00 +0000

Cool Detail Page Views in Flutter. Detail Page View with Card and Container List View in Flutter, Detail View in Flutter. Create Cool and Beautiful Detail Views in Flutter. Creating Card and Detail Views in Flutter. Flutter UI Card. Creating Views Quickly and Easily in Flutter. Script to Create a Profile Page in Flutter Quickly. Combining List View and Other Flutter Widgets, Creating a Professional Android Appearance, Flutter Template Design. Flutter List View Simple Design, Flutter Login Design Fresh & Modern, Flutter News Grid Design, Flutter Product List Grid View Page View, Flutter Vertical and Horizontal Scoll Design, Flutter Profile View

1. Create a new flutter project then copy the script below in lib/main.dart



import 'package:flutter/material.dart';

  void main() {
    runApp(const MyApp());
  }
  
  class MyApp extends StatelessWidget {
    const MyApp({Key? key}) : super(key: key);
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'Profile Page',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: const ProfilePage(),
      );
    }
  }
  
  class ProfilePage extends StatefulWidget {
    const ProfilePage({Key? key}) : super(key: key);
  
    @override
    State<ProfilePage> createState() => _ProfilePageState();
  }
  
  class _ProfilePageState extends State<ProfilePage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: ListView(
          padding: EdgeInsets.zero,
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.33,
              decoration: BoxDecoration(
                // color: Colors.grey[400],
                image: DecorationImage(
                    image: NetworkImage(
                        'https://cdn.pixabay.com/photo/2019/04/12/16/52/city-4122550_1280.jpg'),
                    fit: BoxFit.cover),
              ),
            ),
            SizedBox(
              height: 10,
            ),
            Padding(
              padding: EdgeInsets.only(left: 16, right: 16, top: 5, bottom: 16),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Wrap(
                    children: [
                      Container(
                        padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                        decoration: BoxDecoration(
                          color: Colors.grey,
                          borderRadius: BorderRadius.circular(8),
                        ),
                        child: Text(
                          'Technology',
                          style: TextStyle(
                            fontSize: 10,
                            color: Colors.white,
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                        decoration: BoxDecoration(
                          color: Colors.grey,
                          borderRadius: BorderRadius.circular(8),
                        ),
                        child: Text(
                          'Tutorial',
                          style: TextStyle(
                            fontSize: 10,
                            color: Colors.white,
                          ),
                        ),
                      ),
                    ],
                  ),
                  SizedBox(
                    height: 10,
                  ),
                  Text(
                    'Creating a Beautiful Login page in Flutter using Restful Api',
                    style: TextStyle(fontSize: 22, fontWeight: FontWeight.w400),
                  ),
                  SizedBox(
                    height: 10,
                  ),
                  Row(
                    children: [
                      Container(
                        width: 25,
                        height: 25,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.all(Radius.circular(20)),
                          image: DecorationImage(
                            fit: BoxFit.cover,
                            image: NetworkImage(
                              'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Text(
                            'Nabil Putra',
                            style: TextStyle(fontSize: 14),
                          ),
                          Text(
                            'Publisher',
                            style: TextStyle(fontSize: 10),
                          ),
                        ],
                      ),
                    ],
                  ),
                  SizedBox(
                    height: 20,
                  ),
                  Text(
                    'Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo.\n\n'
                    'Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo.\n\n'
                    'adipisci velit, sed quia non numquam eius modi tempora incidunt ut labore et dolore magnam aliquam quaerat voluptatem. \n\n'
                    'quis nostrum exercitationem ullam corporis suscipit laboriosam, nisi ut aliquid ex ea commodi consequatur? \n\n'
                    'Quis autem vel eum iure reprehenderit qui in ea voluptate velit esse quam nihil molestiae consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla pariatur?',
                    style: TextStyle(fontSize: 16),
                  )
                ],
              ),
            )
          ],
        ),
        bottomNavigationBar: Container(
          color: Colors.grey[200],
          padding: EdgeInsets.symmetric(vertical: 8),
          child: Padding(
            padding: const EdgeInsets.only(
              left: 16, 
              right: 16
            ),
            child: Row(
              mainAxisAlignment: MainAxisAlignment
                  .spaceEvenly,
              children: [
                Expanded(
                  child: Container(
                    decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(20),
                    ),
                    padding: EdgeInsets.symmetric(horizontal: 16),
                    child: TextFormField(
                      textAlign: TextAlign.start,
                      textAlignVertical: TextAlignVertical.top,
                      decoration: InputDecoration(
                        hintText: 'Type to Comment .....',
                        hintStyle: TextStyle(fontSize: 15),
                        border: InputBorder.none,
                        contentPadding: EdgeInsets.symmetric(
                          vertical: 8,
                          horizontal: 10,
                        ),
                      ),
                    ),
                  ),
                ),
                SizedBox(width: 10),
                Container(
                  height: 45,
                  width: 45,
                  decoration: BoxDecoration(
                    color: Colors.red,
                    borderRadius: BorderRadius.circular(25),
                  ),
                  child: Center(
                    child: Icon(
                      Icons.favorite,
                      color: Colors.white,
                      size: 24,
                    ),
                  ),
                ),
                SizedBox(width: 5),
                Container(
                  height: 45,
                  width: 45,
                  decoration: BoxDecoration(
                    color: Colors.blue,
                    borderRadius: BorderRadius.circular(25),
                  ),
                  child: Center(
                    child: Icon(
                      Icons.share,
                      color: Colors.white,
                      size: 24,
                    ),
                  ),
                )
              ],
            ),
          ),
        ),
      );
    }
  }

2. Display when the script is run in the emulator. We use several widgets such as stack, bottom navigation bar, container, button, card, column, row, listview, wrap.

Detail Page

Read Another Article ✨

📰 1. Flutter's Cool Vertical and Horizontal ListView Views read more

📰 2.Cool Grid View Page Display in Flutter read more

📰 3. Beautiful Chat Design Display Flutter Starter Template read more

📰 4. Cool List Page Display in Flutter read more

Displaying API Data with Flutter MVC Pattern

noreply@blogger.com (sahretech) — Tue, 26 Dec 2023 02:36:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to tidy up our Flutter project with the MVC concept. Not only that, we will also learn how to retrieve fire data. Are you curious? Come on, follow the tutorial below.

MVC

MVC stands for M(model), V(view), and C(controller). The model represents the structure of the stored data, the view represents the appearance in an application, the controller represents the logic or process in an application.

This concept makes it easier for programmers to maintain the applications they create, they are easier to read, repair, can be developed in parallel and scripts created on one page are not too long, because the logic, data structure and appearance are created separately.

What Will You Learn?

In our tutorial this time, we will learn how to create a simple flutter application that uses the MVC design in its folder structure. Apart from that, we will also learn how to get API data from the internet and display it in the application. Regarding fire, I have written several articles that you can read

Read Another Article ✨

📰 1. Flutter's Cool Vertical and Horizontal ListView Views read more

📰 2.Cool Grid View Page Display in Flutter read more

📰 3. Beautiful Chat Design Display Flutter Starter Template read more

📰 4. Cool List Page Display in Flutter read more

How to Create MVC and Get Data Api in Flutter

1. Create a new flutter project with the name flutter_mvc_app.

2. Open the pubspec.yaml file and add http: ^0.13.4 as shown below.

Add Package

2. Create a new folder with the name models in the lib folder. Then create a file with the name product_model.dart in the models folder then fill it with the script below.



class Product {
  final String title;
  final String category;
  final double price;
  final String thumbnail;

  Product({required this.title, required this.category, required this.price, required this.thumbnail});

  factory Product.fromJson(Map<String, dynamic> json) {
    return Product(
      title: json['title'],
      category: json['category'],
      price: json['price'].toDouble(),
      thumbnail: json['thumbnail'],
    );
  }
}

3. Create a new folder with the name controllers in the lib folder. Then create a file with the name product_controller.dart in the controllers folder then fill it with the script below.



  import 'dart:convert';
  import 'package:http/http.dart' as http;
  import '../models/product.dart';
  
  // Create a ProductController class
  class ProductController {
    // Define a list to store the products
    List<Product> products = [];
  
    // Define a method to fetch the products asynchronously
    Future fetchProducts() async {
      // Send an HTTP GET request to the API endpoint
      final response =
          await http.get(Uri.parse('https://dummyjson.com/products'));
  
      // Check if the response status code is 200 (OK)
      if (response.statusCode == 200) {
        // Parse the JSON response and extract the 'products' data
        final List<dynamic> data = jsonDecode(response.body)['products'];
  
        // Convert the JSON data to a list of Product objects and assign it to the products list
        products = data.map((json) => Product.fromJson(json)).toList();
      } else {
        // Throw an exception if the request fails
        throw Exception('Failed to fetch products');
      }
    }
  }

4. Buatlah sebuah folder baru dengan nama views di dalam folder lib. Lalu buat file dengan nama product_views.dart di dalam folder views lalu isi dengan script di bawah ini.



  import 'package:flutter/material.dart';
  import '../controllers/product_controller.dart';
  import '../models/product.dart';
  
  // Define a ProductView widget which is a StatefulWidget
  class ProductView extends StatefulWidget {
    @override
    _ProductViewState createState() => _ProductViewState();
  }
  
  // Define the state of the ProductView widget
  class _ProductViewState extends State<ProductView> {
    late Future<List<Product>> _futureProducts; // Declare a Future to store the list of products
  
    @override
    void initState() {
      super.initState();
      _futureProducts = _fetchProducts(); // Initialize the future with the result of _fetchProducts() method
    }
  
    // Define a method to fetch the products asynchronously
    Future<List<Product>> _fetchProducts() async {
      final productController = ProductController(); // Create an instance of the ProductController
      await productController.fetchProducts(); // Fetch the products using the controller
      return productController.products; // Return the fetched products
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('Product List'),
        ),
        body: FutureBuilder<List<Product>>(
          future: _futureProducts, // Use the future to retrieve the list of products
          builder: (context, snapshot) {
            if (snapshot.connectionState == ConnectionState.waiting) {
              // Show a loading indicator if the future is not yet complete
              return Center(
                child: CircularProgressIndicator(),
              );
            } else if (snapshot.hasError) {
              // Show an error message if there was an error fetching the products
              return Center(
                child: Text('Error: ${snapshot.error}'),
              );
            } else if (snapshot.hasData) {
              // Show the list of products if data is available
              final products = snapshot.data!;
              return ListView.builder(
                itemCount: products.length,
                itemBuilder: (context, index) {
                  final product = products[index];
                  return ListTile(
                    leading: Image.network(
                      product.thumbnail,
                      fit: BoxFit.cover, // Set the fit property to BoxFit.cover
                      width: 80, // Set a fixed width for the image
                      height: 80, // Set a fixed height for the image
                    ),
                    title: Text(product.title),
                    subtitle: Text(product.category),
                    trailing: Text('\$${product.price.toStringAsFixed(2)}'),
                  );
                },
              );
            } else {
              // Show a message if no data is available
              return Center(
                child: Text('No data available'),
              );
            }
          },
        ),
      );
    }
  }

5. Open the lib/main.dart file and change the script as below.



  import 'package:flutter/material.dart';
  import 'views/product_view.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Your App Name',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: ProductView(),
      );
    }
  }

Also make sure the folder structure you create is the same as the folder structure I created as shown in the image below.

MVC Folder

6. We have done all the steps, then we can carry out trials. Open the emulator and run the application. If successful, the display will look like the image below.

Final Result

Cool! Now you can create a Flutter application that can display data from the internet and use MVC design to make your application neater. Please improve the application that has been created to make it more interesting.

That's it for our tutorial this time on how to display API data with the MVC pattern in Flutter. Hopefully this short tutorial is useful. If you have questions, please ask in the comments column. That's all and receive a salary.

Cool Profile Page Display in Flutter

noreply@blogger.com (sahretech) — Tue, 26 Dec 2023 00:43:00 +0000

Cool Profile Page Display in Flutter. Profile Page View with Card and Container List View in Flutter, Profile View in Flutter. Create a Cool and Beautiful Profile Display in Flutter. Creating Card and Profile Views in Flutter. Flutter UI Card. Creating Views Quickly and Easily in Flutter. Script to Create a Profile Page in Flutter Quickly. Combining List View and Other Flutter Widgets, Creating a Professional Android Appearance, Flutter Template Design. Flutter List View Simple Design, Flutter Login Design Fresh & Modern, Flutter News Grid Design, Flutter Product List Grid View Page View, Flutter Vertical and Horizontal Scoll Design

1. Create a new flutter project then copy the script below in lib/main.dart



import 'package:flutter/material.dart';

  void main() {
    runApp(const MyApp());
  }
  
  class MyApp extends StatelessWidget {
    const MyApp({Key? key}) : super(key: key);
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'Profile Page',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: const ProfilePage(),
      );
    }
  }
  
  class ProfilePage extends StatefulWidget {
    const ProfilePage({Key? key}) : super(key: key);
  
    @override
    State<ProfilePage> createState() => _ProfilePageState();
  }
  
  class _ProfilePageState extends State<ProfilePage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
          body: ListView(
        padding: EdgeInsets.zero,
        children: [
          Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.30,
              decoration: BoxDecoration(
                // color: Colors.grey[400],
                image: DecorationImage(
                    image: NetworkImage(
                        'https://cdn.pixabay.com/photo/2021/09/03/00/51/temple-6594770_1280.jpg'),
                    fit: BoxFit.cover),
              )),
          Transform.translate(
            offset: Offset(0.0, -120 / 2.0),
            child: Center(
              child: Column(
                children: [
                  Container(
                    width: 120,
                    height: 120,
                    decoration: BoxDecoration(
                        borderRadius: BorderRadius.all(Radius.circular(20)),
                        image: DecorationImage(
                            fit: BoxFit.cover,
                            image: NetworkImage(
                                'https://cdn.pixabay.com/photo/2016/03/31/19/56/avatar-1295399_640.png'))),
                  ),
                  SizedBox(
                    height: 12,
                  ),
                  Text(
                    'Nabil Chen',
                    style: TextStyle(fontSize: 24, fontWeight: FontWeight.w500),
                  ),
                  SizedBox(
                    height: 5,
                  ),
                  Text(
                    'Director of Sahretech',
                  ),
                  SizedBox(
                    height: 15,
                  ),
                  Row(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Container(
                        height: 40,
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                            onPressed: () {
                              // Implement your button action here
                            },
                            style: ElevatedButton.styleFrom(
                              primary: Colors.transparent,
                              shadowColor: Colors.transparent,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(25),
                              ),
                            ),
                            child: Row(
                              children: [
                                Icon(Icons.person_add_alt),
                                SizedBox(
                                  width: 5,
                                ),
                                Text('Follow')
                              ],
                            )),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        height: 40, // Atur tinggi Container sesuai kebutuhan Anda
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                            onPressed: () {
                              // Implement your button action here
                            },
                            style: ElevatedButton.styleFrom(
                              primary: Colors.transparent,
                              shadowColor: Colors.transparent,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(25),
                              ),
                            ),
                            child: Row(
                              children: [
                                Icon(Icons.message),
                                SizedBox(
                                  width: 5,
                                ),
                                Text('Message')
                              ],
                            )),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        height: 40,
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                            onPressed: () {
                              // Implement your button action here
                            },
                            style: ElevatedButton.styleFrom(
                              primary: Colors.transparent,
                              shadowColor: Colors.transparent,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(25),
                              ),
                            ),
                            child: Row(
                              children: [
                                Icon(Icons.settings),
                                SizedBox(
                                  width: 5,
                                ),
                                Text('Edit')
                              ],
                            )),
                      )
                    ],
                  ),
                  SizedBox(
                    height: 24,
                  ),
                  Row(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                    children: [
                      Column(
                        children: [
                          Text(
                            '900',
                            style: TextStyle(
                                fontSize: 22, fontWeight: FontWeight.bold),
                          ),
                          Text('Posts'),
                        ],
                      ),
                      Container(
                        width: 1,
                        height: 30,
                        color: Colors.black,
                      ),
                      Column(
                        children: [
                          Text(
                            '9.204',
                            style: TextStyle(
                                fontSize: 22, fontWeight: FontWeight.bold),
                          ),
                          Text('Followers'),
                        ],
                      ),
                      Container(
                        width: 1,
                        height: 30,
                        color: Colors.black,
                      ),
                      Column(
                        children: [
                          Text(
                            '300',
                            style: TextStyle(
                                fontSize: 22, fontWeight: FontWeight.bold),
                          ),
                          Text('Following'),
                        ],
                      ),
                    ],
                  ),
                  
                  ListView.builder(
                    padding: EdgeInsets.only(
                      top: 30, 
                      left: 10, 
                      right: 10
                    ),
                    itemCount: 5,
                    shrinkWrap: true,
                    physics: NeverScrollableScrollPhysics(),
                    itemBuilder: (_, item) {
                      return Card(
                        shape: RoundedRectangleBorder(
                          borderRadius: BorderRadius.circular(10),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.only(
                              top: 16, left: 16, right: 16, bottom: 16),
                          child: Container(
                            height: 130,
                            child: Row(
                              children: [
                                Expanded(
                                  child: Column(
                                    mainAxisAlignment: MainAxisAlignment.start,
                                    crossAxisAlignment: CrossAxisAlignment.start,
                                    children: [
                                      Text(
                                        'Remembers what user said earlier in the conversation',
                                        style: TextStyle(
                                            fontSize: 16,
                                            fontWeight: FontWeight.bold),
                                        maxLines: 2,
                                        overflow: TextOverflow.ellipsis,
                                      ),
                                      SizedBox(
                                        height: 8,
                                      ),
                                      Text(
                                        'Hello everyone, back again at sahretech. On this occasion, we will learn',
                                        style: TextStyle(fontSize: 12),
                                        maxLines: 3,
                                        overflow: TextOverflow.ellipsis,
                                      ),
                                      SizedBox(
                                        height: 8,
                                      ),
                                      Row(
                                        children: [
                                          Icon(
                                            Icons.bookmark_outline,
                                            size: 23,
                                          ),
                                          Icon(
                                            Icons.share_outlined,
                                            size: 23,
                                          ),
                                        ],
                                      )
                                    ],
                                  ),
                                ),
                                SizedBox(
                                  width: 10,
                                ),
                                Container(
                                    width: 120,
                                    height: 120,
                                    decoration: BoxDecoration(
                                        color: Colors.grey,
                                        borderRadius: BorderRadius.circular(10),
                                        image: DecorationImage(
                                          fit: BoxFit.cover,
                                          image: NetworkImage(
                                              'https://cdn.pixabay.com/photo/2023/04/02/23/08/ai-generated-7895586_1280.jpg'),
                                        ))),
                              ],
                            ),
                          ),
                        ),
                      );
                    },
                  )
                ],
              ),
            ),
          ),
        ],
      ));
    }
  }

2. Display when the script is run in the emulator. We use several widgets such as stack, transform, container, button, card, column, row, listview

Profile Page

Read Another Article ✨

📰 1. Flutter's Cool Vertical and Horizontal ListView Views read more

📰 2.Cool Grid View Page Display in Flutter read more

📰 3. Beautiful Chat Design Display Flutter Starter Template read more

📰 4. Cool List Page Display in Flutter read more

Flutter's Cool Vertical and Horizontal ListView Views

noreply@blogger.com (sahretech) — Tue, 26 Dec 2023 00:01:00 +0000

Cool Vertical and Horizontal List View Page Views in Flutter. Page View with Card and Container List View in Flutter, Horizontal List View in Flutter. Create a Cool and Beautiful Horizontal List Display in Flutter. Example of Horizontal List News Flutter Display. Creating Card and Horizontal List Views in Flutter. Fluttering UI Card. Creating Views Quickly and Easily in Flutter. Script to Create a Horizontal List in Flutter Quickly. Combining Vertical List View and Horizontal List View, Creating a Professional Android Appearance, Flutter Template Design. Flutter List View Simple Design, Fresh & Modern Flutter Login Design, Flutter News Grid Design, Grid Page View View Flutter Product List

1. Create a new flutter project with the name you want. Then open lib/main.dart and replace it with the script below.



import 'package:flutter/material.dart';

  void main() => runApp(ListViewApp());
  
  class ListViewApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'List View App',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: ListViewPage(),
      );
    }
  }
  
  class ListViewPage extends StatefulWidget {
    @override
    _ListViewPageState createState() => _ListViewPageState();
  }
  
  class _ListViewPageState extends State<ListViewPage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Stack(
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.33,
              color: Colors.grey[400],
            ),
            ListView(
              padding: EdgeInsets.zero,
              children: [
                Padding(
                  padding: EdgeInsets.fromLTRB(16, 60, 16, 16),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Text(
                            ' SahreApp',
                            style: TextStyle(
                                fontSize: 24, fontWeight: FontWeight.w500),
                          ),
                        ],
                      ),
                      SizedBox(
                        height: 16,
                      ),
                      Container(
                        height: 45,
                        child: Row(
                          children: [
                            Expanded(
                              child: Container(
                                alignment: Alignment.center,
                                decoration: BoxDecoration(
                                  color: Colors.white,
                                  borderRadius: BorderRadius.circular(25),
                                ),
                                child: TextFormField(
                                  textAlign: TextAlign.start,
                                  textAlignVertical: TextAlignVertical.top,
                                  decoration: InputDecoration(
                                    hintText: ' Type to search .....',
                                    hintStyle: TextStyle(fontSize: 15),
                                    border: InputBorder.none,
                                    contentPadding: EdgeInsets.symmetric(
                                      vertical: 8,
                                      horizontal: 10,
                                    ),
                                  ),
                                ),
                              ),
                            ),
                            SizedBox(width: 16),
                            Container(
                              height:
                                  45,
                              decoration: BoxDecoration(
                                color: Colors.blue,
                                borderRadius: BorderRadius.circular(25),
                              ),
                              child: ElevatedButton(
                                onPressed: () {
                                  // Implement your button action here
                                },
                                style: ElevatedButton.styleFrom(
                                  primary: Colors.transparent,
                                  shadowColor: Colors.transparent,
                                  shape: RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(25),
                                  ),
                                ),
                                child: Icon(Icons.search),
                              ),
                            ),
                          ],
                        ),
                      ),
                    ],
                  ),
                ),
                SizedBox(
                  height: 37,
                  child: ListView(
                    scrollDirection: Axis.horizontal,
                    children: [
                      Padding(
                        padding: const EdgeInsets.only(left: 16),
                        child: Container(
                          // width: 100,
                          decoration: BoxDecoration(
                            color: Colors.blue,
                            borderRadius: BorderRadius.circular(25),
                          ),
                          child: ElevatedButton(
                            onPressed: () {
                              // Implement your button action here
                            },
                            style: ElevatedButton.styleFrom(
                              primary: Colors.transparent,
                              shadowColor: Colors.transparent,
                              shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(25),
                              ),
                            ),
                            child: Text(
                              'All News',
                              style: TextStyle(fontSize: 12),
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                          onPressed: () {
                            // Implement your button action here
                          },
                          style: ElevatedButton.styleFrom(
                            primary: Colors.transparent,
                            shadowColor: Colors.transparent,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(25),
                            ),
                          ),
                          child: Text(
                            'Tecnology',
                            style: TextStyle(fontSize: 12),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                          onPressed: () {
                            // Implement your button action here
                          },
                          style: ElevatedButton.styleFrom(
                            primary: Colors.transparent,
                            shadowColor: Colors.transparent,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(25),
                            ),
                          ),
                          child: Text(
                            'Travel',
                            style: TextStyle(fontSize: 12),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                          onPressed: () {
                            // Implement your button action here
                          },
                          style: ElevatedButton.styleFrom(
                            primary: Colors.transparent,
                            shadowColor: Colors.transparent,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(25),
                            ),
                          ),
                          child: Text(
                            'Financial',
                            style: TextStyle(fontSize: 12),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 5,
                      ),
                      Container(
                        decoration: BoxDecoration(
                          color: Colors.blue,
                          borderRadius: BorderRadius.circular(25),
                        ),
                        child: ElevatedButton(
                          onPressed: () {
                            // Implement your button action here
                          },
                          style: ElevatedButton.styleFrom(
                            primary: Colors.transparent,
                            shadowColor: Colors.transparent,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(25),
                            ),
                          ),
                          child: Text(
                            'Sport',
                            style: TextStyle(fontSize: 12),
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
                SizedBox(
                  height: 16,
                ),
                SizedBox(
                  height: 170,
                  child: ListView.builder(
                    itemCount: 4,
                    scrollDirection: Axis.horizontal,
                    itemBuilder: (_, int index) {
                      return Container(
                        padding: index == 0
                            ? EdgeInsets.only(left: 12)
                            : EdgeInsets.all(0),
                        width: 200,
                        child: Card(
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(
                                10), // Adjust the border radius as needed
                          ),
                          child: Column(
                            mainAxisAlignment: MainAxisAlignment.start,
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Container(
                                height: 100,
                                decoration: BoxDecoration(
                                  borderRadius: BorderRadius.only(
                                      topLeft: Radius.circular(10),
                                      topRight: Radius.circular(10)),
                                  image: DecorationImage(
                                    fit: BoxFit.cover,
                                    image: NetworkImage(
                                      'https://cdn.pixabay.com/photo/2022/09/10/23/28/city-7445873_1280.jpg', // Ganti dengan URL gambar Anda
                                    ),
                                  ),
                                ),
                                width: MediaQuery.of(context).size.width,
                              ),
                              Padding(
                                padding: const EdgeInsets.only(
                                    top: 8, left: 8, right: 8),
                                child: Expanded(
                                  child: Text(
                                    'Creating a Login in Flutter using Restful Api and Token',
                                    style: TextStyle(
                                      fontSize: 15,
                                      fontWeight: FontWeight.bold,
                                    ),
                                    maxLines: 2,
                                    overflow: TextOverflow.ellipsis,
                                  ),
                                ),
                              ),
                            ],
                          ),
                        ),
                      );
                    },
                  ),
                ),
                SizedBox(
                  height: 16,
                ),
                Padding(
                  padding: const EdgeInsets.only(left: 16),
                  child: Text(
                    'Popular Posts',
                    style: TextStyle(fontSize: 22, fontWeight: FontWeight.w500),
                  ),
                ),
                SizedBox(
                  height: 5,
                ),
                Row(
                  children: [
                    Padding(
                      padding: const EdgeInsets.only(left: 16),
                      child: Text('See More'),
                    ),
                    Icon(
                      Icons.arrow_right_alt_outlined,
                      size: 22,
                    )
                  ],
                ),
                SizedBox(
                  height: 170,
                  child: ListView.builder(
                    itemCount: 4,
                    scrollDirection: Axis.horizontal,
                    itemBuilder: (_, int index) {
                      return Container(
                        padding: index == 0
                            ? EdgeInsets.only(left: 12)
                            : EdgeInsets.all(0),
                        width: 200,
                        child: Card(
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(
                                10), // Adjust the border radius as needed
                          ),
                          child: Column(
                            mainAxisAlignment: MainAxisAlignment.start,
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Container(
                                height: 100,
                                decoration: BoxDecoration(
                                  borderRadius: BorderRadius.only(
                                      topLeft: Radius.circular(10),
                                      topRight: Radius.circular(10)),
                                  image: DecorationImage(
                                    fit: BoxFit.cover,
                                    image: NetworkImage(
                                      'https://cdn.pixabay.com/photo/2020/01/13/12/06/illustration-4762247_1280.jpg', // Ganti dengan URL gambar Anda
                                    ),
                                  ),
                                ),
                                width: MediaQuery.of(context).size.width,
                              ),
                              Padding(
                                padding: const EdgeInsets.only(
                                    top: 8, left: 8, right: 8),
                                child: Expanded(
                                  child: Text(
                                    'Explain quantum computing in simple terms',
                                    style: TextStyle(
                                      fontSize: 15,
                                      fontWeight: FontWeight.bold,
                                    ),
                                    maxLines: 2,
                                    overflow: TextOverflow.ellipsis,
                                  ),
                                ),
                              ),
                            ],
                          ),
                        ),
                      );
                    },
                  ),
                ),
                SizedBox(
                  height: 16,
                ),
                SizedBox(
                  height: 16,
                ),
                Padding(
                  padding: const EdgeInsets.only(left: 16),
                  child: Text(
                    'Recent Posts',
                    style: TextStyle(fontSize: 22, fontWeight: FontWeight.w500),
                  ),
                ),
                SizedBox(
                  height: 5,
                ),
                Row(
                  children: [
                    Padding(
                      padding: const EdgeInsets.only(left: 16),
                      child: Text('See More'),
                    ),
                    Icon(
                      Icons.arrow_right_alt_outlined,
                      size: 22,
                    )
                  ],
                ),
                ListView.builder(
                  padding: EdgeInsets.only(left: 10, right: 10),
                  itemCount: 5,
                  shrinkWrap: true,
                  physics: NeverScrollableScrollPhysics(),
                  itemBuilder: (_, item) {
                    return Card(
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(10),
                      ),
                      child: Padding(
                        padding: const EdgeInsets.only(
                            top: 16, left: 16, right: 16, bottom: 16),
                        child: Container(
                          height: 130,
                          child: Row(
                            children: [
                              Expanded(
                                child: Column(
                                  mainAxisAlignment: MainAxisAlignment.start,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Text(
                                      'Remembers what user said earlier in the conversation',
                                      style: TextStyle(
                                          fontSize: 16,
                                          fontWeight: FontWeight.bold),
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                    SizedBox(
                                      height: 8,
                                    ),
                                    Text(
                                      'Hello everyone, back again at sahretech. On this occasion, we will learn',
                                      style: TextStyle(fontSize: 12),
                                      maxLines: 3,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                    SizedBox(
                                      height: 8,
                                    ),
                                    Row(
                                      children: [
                                        Icon(
                                          Icons.bookmark_outline,
                                          size: 23,
                                        ),
                                        Icon(
                                          Icons.share_outlined,
                                          size: 23,
                                        ),
                                      ],
                                    )
                                  ],
                                ),
                              ),
                              SizedBox(
                                width: 10,
                              ),
                              Container(
                                  width: 120,
                                  height: 120,
                                  decoration: BoxDecoration(
                                      color: Colors.grey,
                                      borderRadius: BorderRadius.circular(10),
                                      image: DecorationImage(
                                        fit: BoxFit.cover,
                                        image: NetworkImage(
                                            'https://cdn.pixabay.com/photo/2023/04/02/23/08/ai-generated-7895586_1280.jpg'),
                                      ))),
                            ],
                          ),
                        ),
                      ),
                    );
                  },
                ),
              ],
            ),
          ],
        ),
      );
    }
  }

2. Display when the script above is executed. We use several widgets such as textformfield, button, text, horizontal listview, vertical listview, card, stack.

Tampilan List Horizontal dan List Vertical

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

Cool Grid View Page Display in Flutter

noreply@blogger.com (sahretech) — Mon, 25 Dec 2023 14:28:00 +0000

Cool Grid View Page Display in Flutter. Page View with Card and Grid View in Flutter, Grid View News View in Flutter. Create a Cool and Beautiful Grid Display in Flutter. Example of Grid View Flutter Display. Creating a Grid Card View in Flutter. Flutter UI Card. Creating Views Quickly and Easily in Flutter. Script to Create Grids in Flutter Quickly. Flutter Template Design. Flutter List View Simple Design, Flutter Login Design Fresh & Modern

1. Create a new flutter project with the name you want. Then open lib/main.dart then replace it with the script below.



import 'package:flutter/material.dart';

  void main() => runApp(GridViewApp());
  
  class GridViewApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'Grid View App',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: GridViewPage(),
      );
    }
  }
  
  class GridViewPage extends StatefulWidget {
    @override
    _GridViewPageState createState() => _GridViewPageState();
  }
  
  class _GridViewPageState extends State<GridViewPage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Stack(
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.33,
              decoration: BoxDecoration(
                image: DecorationImage(
                  image: NetworkImage(
                      'https://cdn.pixabay.com/photo/2022/01/11/17/04/city-6931092_1280.jpg'), // Ganti dengan URL gambar Anda
                  fit: BoxFit.cover,
                ),
              ),
            ),
            ListView(
              padding: EdgeInsets.zero,
              children: [
                Padding(
                  padding: EdgeInsets.fromLTRB(10, 60, 10, 10),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        'SahreApp',
                        style: TextStyle(
                          fontSize: 26,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                      SizedBox(
                        height: 10,
                      ),
                      Container(
                        height: 50, // Set the Container height according to your needs
                        child: Row(
                          children: [
                            Expanded(
                              child: Container(
                                alignment: Alignment.center,
                                decoration: BoxDecoration(
                                  color: Colors.white,
                                  borderRadius: BorderRadius.circular(25),
                                ),
                                child: TextFormField(
                                  textAlign: TextAlign.start,
                                  textAlignVertical: TextAlignVertical.top,
                                  decoration: InputDecoration(
                                    hintText: 'Type to search .....',
                                    hintStyle: TextStyle(fontSize: 15),
                                    border: InputBorder.none,
                                    contentPadding: EdgeInsets.symmetric(
                                      vertical: 8,
                                      horizontal: 10,
                                    ),
                                  ),
                                ),
                              ),
                            ),
                            SizedBox(width: 10),
                            Container(
                              height:
                                  50, // Set the Container height according to your needs
                              decoration: BoxDecoration(
                                color: Colors.blue,
                                borderRadius: BorderRadius.circular(25),
                              ),
                              child: ElevatedButton(
                                onPressed: () {
                                  // Implement your button action here
                                },
                                style: ElevatedButton.styleFrom(
                                  primary: Colors.transparent,
                                  shadowColor: Colors.transparent,
                                  shape: RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(25),
                                  ),
                                ),
                                child: Icon(Icons.search),
                              ),
                            ),
                          ],
                        ),
                      ),
                      SizedBox(height: 10),
                      GridView.builder(
                        padding: EdgeInsets.zero,
                        shrinkWrap: true,
                        physics: NeverScrollableScrollPhysics(),
                        itemCount: 6,
                        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                          crossAxisCount: 2,
                          crossAxisSpacing: 1,
                          mainAxisSpacing: 1,
                          childAspectRatio: 0.62,
                        ),
                        itemBuilder: (context, index) {
                          return Card(
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(10),
                            ),
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.start,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Container(
                                  height: 120,
                                  decoration: BoxDecoration(
                                    borderRadius: BorderRadius.only(topLeft: Radius.circular(10), topRight: Radius.circular(10)),
                                    image: DecorationImage(
                                      fit: BoxFit.cover,
                                      image: NetworkImage(
                                        'https://cdn.pixabay.com/photo/2022/09/10/23/28/city-7445873_1280.jpg', // Ganti dengan URL gambar Anda
                                      ),
                                    ),
                                  ),
                                  width: MediaQuery.of(context).size.width,
                                  
                                ),
                                Padding(
                                  padding: const EdgeInsets.only(
                                      top: 8, left: 8, right: 8),
                                  child: Expanded(
                                    child: Text(
                                      'Creating a Login in Flutter using Restful Api and Token',
                                      style: TextStyle(
                                        fontSize: 16,
                                        fontWeight: FontWeight.bold,
                                      ),
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                  ),
                                ),
                                Padding(
                                  padding: const EdgeInsets.all(8.0),
                                  child: Expanded(
                                    child: Text(
                                      'Hello everyone, back again at sahretech. On this occasion, we will learn how to create a login and process it in Flutter with',
                                      style: TextStyle(fontSize: 12),
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                  ),
                                ),
                                Padding(
                                  padding: const EdgeInsets.all(8.0),
                                  child: Row(
                                    children: [
                                      Icon(
                                        Icons.bookmark_outline,
                                        size: 20,
                                      ),
                                      Icon(
                                        Icons.share_outlined,
                                        size: 20,
                                      ),
                                    ],
                                  ),
                                ),
                              ],
                            ),
                          );
                        },
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ],
        ),
      );
    }
  }

2. The appearance of the application when running, here we use several flutter widgets such as text, textformfield, button, icon, listview, card, container, and grid view.

Flutter Grid View

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

Beautiful Chat Design Display Flutter Starter Template

noreply@blogger.com (sahretech) — Mon, 25 Dec 2023 09:14:00 +0000

Flutter UI Chat View. Flutter Chat UI. Professional Mobile Chat UI. Responsive Mobile Chat UI. Chat UI for Flutter. Android Mobile Chat. Simple and Elegant Mobile Chat UI. Flutter Starter Template. Flutter List View Simple Design, Flutter Login Design Fresh & Modern, Flutter News Grid Design, Flutter Product List Grid View Page View, Flutter Vertical and Horizontal Scoll Design, Flutter Profile View

1. Create a new flutter project then copy the script below in lib/main.dart



import 'package:flutter/material.dart';

  void main() {
    runApp(MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Chat UI',
      home: ChatScreen(),
    ));
  }
  
  class ChatScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
            titleSpacing: 0.0,
            leading: Padding(
              padding: const EdgeInsets.only(top: 8, bottom: 8),
              child: Material(
                shape: CircleBorder(),
                child: CircleAvatar(
                  radius: 20.0,
                  backgroundImage: NetworkImage(
                    'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                  ),
                ),
              ),
            ),
            title: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text('Mr. Jhon Due'),
                Text(
                  'CEO of Porkaone',
                  style: TextStyle(fontSize: 10),
                )
              ],
            )),
        body: Container(
          child: Column(
            children: [
              Expanded(
                child: ListView.builder(
                  itemCount: 10,
                  itemBuilder: (context, index) {
                    return ChatBubble(
                      message: 'Lorem ipusm sit dolor amet consectur',
                      isMe: index % 2 == 0 ? true : false,
                    );
                  },
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(10.0),
                child: Row(
                  children: [
                    Expanded(
                      child: TextField(
                        style: const TextStyle(fontSize: 16.0),
                        decoration: InputDecoration(
                          hintText: 'Type Message...',
                          border: OutlineInputBorder(
                            borderRadius: BorderRadius.circular(30.0),
                          ),
                          contentPadding: const EdgeInsets.symmetric(
                            vertical:
                                12.0,
                            horizontal:
                                16.0, 
                          ),
                        ),
                      ),
                    ),
                    const SizedBox(width: 10.0),
                    Container(
                      width: 45.0,
                      height: 45.0,
                      child: FloatingActionButton(
                        onPressed: () {},
                        child: Icon(Icons.send),
                      ),
                    ),
                    SizedBox(
                      width: 5,
                    ),
                    Container(
                      width: 45.0,
                      height: 45.0,
                      child: FloatingActionButton(
                          onPressed: () {},
                          child: Icon(Icons.camera_alt_outlined)),
                    )
                  ],
                ),
              ),
            ],
          ),
        ),
      );
    }
  }
  
  class ChatBubble extends StatelessWidget {
    final String message;
    final bool isMe;
  
    ChatBubble({required this.message, required this.isMe});
  
    @override
    Widget build(BuildContext context) {
      return Padding(
        padding: const EdgeInsets.symmetric(vertical: 8.0, horizontal: 10.0),
        child: Row(
          mainAxisAlignment:
              isMe ? MainAxisAlignment.end : MainAxisAlignment.start,
          children: [
            Column(
              crossAxisAlignment:
                  isMe ? CrossAxisAlignment.end : CrossAxisAlignment.start,
              children: [
                ConstrainedBox(
                  constraints: BoxConstraints(
                    maxWidth: MediaQuery.of(context).size.width *
                        0.5, // Maksimal setengah lebar layar
                  ),
                  child: Container(
                    padding: const EdgeInsets.all(12.0),
                    decoration: BoxDecoration(
                      color: isMe ? Colors.blue : Colors.grey[300],
                      borderRadius: BorderRadius.only(
                        topLeft: Radius.circular(16),
                        topRight: Radius.circular(16),
                        bottomLeft: Radius.circular(isMe ? 16 : 0),
                        bottomRight: Radius.circular(isMe ? 0 : 16),
                      ),
                    ),
                    child: Column(
                      crossAxisAlignment: isMe
                          ? CrossAxisAlignment.end
                          : CrossAxisAlignment.start,
                      children: [
                        Wrap(
                          alignment: WrapAlignment.start,
                          children: [
                            Text(
                              message,
                              style: TextStyle(
                                color: isMe ? Colors.white : Colors.black,
                                fontSize: 16.0,
                              ),
                            ),
                          ],
                        ),
                      ],
                    ),
                  ),
                ),
                SizedBox(
                  height: 5,
                ),
                Row(
                  children: [
                    if (!isMe)
                      Padding(
                        padding: const EdgeInsets.only(right: 5),
                        child: CircleAvatar(
                          radius: 10.0, // Mengatur ukuran lingkaran avatar
                          backgroundImage: NetworkImage(
                            'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                          ),
                        ),
                      ),
                    Column(
                      crossAxisAlignment: isMe
                          ? CrossAxisAlignment.end
                          : CrossAxisAlignment.start,
                      children: [
                        Text(
                          'Monday 20 Mei 2023 15:31',
                          style: TextStyle(fontSize: 9),
                        ),
                        Text(
                          'Nabil Putra',
                          style:
                              TextStyle(fontSize: 9, fontWeight: FontWeight.w500),
                        ),
                      ],
                    ),
                    if (isMe)
                      Padding(
                        padding: const EdgeInsets.only(left: 5),
                        child: CircleAvatar(
                          radius: 10.0, // Mengatur ukuran lingkaran avatar
                          backgroundImage: NetworkImage(
                            'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                          ),
                        ),
                      ),
                  ],
                ),
              ],
            ),
          ],
        ),
      );
    }
  }

Explanation of the script above:

Import Flutter Packages: In this line of code, we import the necessary packages or libraries from Flutter to build the user interface (UI) of the application.
main() function: This is the main function that will be executed when the application starts. In it, we use runApp() to run the application. MaterialApp is used as the main widget that provides the basic framework of the Flutter application. The properties set in MaterialApp are: debugShowCheckedModeBanner: Used to show or hide the "Debug" label in the top right corner of the application.
title: Used to provide the title of the application.
home: Directs to the ChatScreen() widget as the main page of the application.
ChatScreen Class: This is a class that implements the StatelessWidget widget. In it, we define the user interface using the Scaffold widget. Scaffold is the basic component used to organize the application layout. The properties set in Scaffold are: appBar: Sets the top bar of the application. Inside, there is an AppBar widget with a title, avatar image and user information.
body: Sets the main content of the application. In it, there is a Container widget which contains a Column to display the ChatBubble list.
Class ChatBubble: This is a class that implements the StatelessWidget widget. In it, we define the appearance of the chat balloon using the Row widget. The chat balloon display consists of several elements, such as message text, time, and sender's avatar.

Overall, this script builds a user interface (UI) for a simple chat application. This includes a chat list view and the ability for users to send new messages via text input and the send button.

2. Display when the script is run in the emulator. Simple but looks luxurious and professional. We use several widgets such as app bar, network image, text, container, textformfield, row, column and others.

Flutter Chat UI

How to Create a Currency Conversion App in Flutter

noreply@blogger.com (sahretech) — Mon, 25 Dec 2023 08:21:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a currency conversion application in Flutter. How do you do it? Come on, follow the complete tutorial below.

We will create a currency conversion application using the api from the website app.freecurrencyapi.com. The application is quite simple, it only has one page display. input form for currency from, input form for currency to, and total money to be converted, then there is a button and the results will be displayed below the button. To see the final results, please scroll to the bottom of this page.

How to Create a Currency Conversion App in Flutter

1. First, you have to register on the website app.freecurrencyapi.com to get the apikey. How to register is quite easy and simple, you can use Gmail for quick access.

2. Next, create a new flutter project with the name you want. Use flutter version 3+ or a version that supports null safety.

3. Next, open the pubspec.yaml file. Then add the http: and intl: ^0.18.1 packages. The http package functions to make data requests to the server. Meanwhile, the intl package functions to format the date to make it easier to understand. See an example of adding a package in the image below.

Add Package

4. Open the main.dart file in the lib folder. Then change the script in it with the script below.




import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:http/http.dart' as http;

void main() {
  runApp(
    MaterialApp(
      //menghilangkan debug di kanan atas
      debugShowCheckedModeBanner: false,
      home: MyApp(),
    ),
  );
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {

  //inisialisasi variabel
  var apiKey = 'fca_live_xtFj0eIq32x9YL7pTsdsScDLNsWTfHOE0ppapTmE';
  dynamic data;
  bool isLoading = false;
  var hasilKonversi;

  TextEditingController fromController = TextEditingController();
  TextEditingController toController = TextEditingController();
  TextEditingController totalController = TextEditingController();

  //this method for get data from the internet
  Future<void> convert(base_currency, currencies) async {

    //the destination endpoint
    //you must have api key
    var response = await http.get(
      Uri.parse(
        'https://api.freecurrencyapi.com/v1/latest?apikey=${apiKey}'
        '&base_currency=${base_currency}&currencies=${currencies},${base_currency}',
      ),
    );


    setState(() {
      data = json.decode(response.body);

      hasilKonversi = int.parse(totalController.text) * data['data']['${currencies}'] / data['data']['${base_currency}'];
      isLoading = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter Conversion'),
      ),
      body: ListView(
        padding: EdgeInsets.all(10),
        children: [
          Row(
            children: [
              Expanded(
                flex: 1, 
                child: Container(
                  height: 70,
                  child: TextFormField(
                    controller: fromController,
                    decoration: const InputDecoration(
                      labelText: 'From',
                    ),
                  ),
                ),
              ),
              SizedBox(
                width: 20,
              ),
              Icon(Icons.repeat),
              SizedBox(
                width: 20,
              ),
              Expanded(
                flex: 1,
                child: Container(
                  height: 70,
                  child: TextFormField(
                    controller: toController,
                    decoration: const InputDecoration(
                      labelText: 'To',
                    ),
                  ),
                ),
              ),
            ],
          ),
          Container(
            height: 70,
            child: TextFormField(
              keyboardType: TextInputType.number,
              controller: totalController,
              decoration: const InputDecoration(
                labelText: 'Amount of money',
              ),
            ),
          ),
          ElevatedButton(
            onPressed: () {
              setState(() {
                isLoading = true; // Activate the progress indicator
              });
              convert(fromController.text, toController.text);
            },
            child: isLoading
            ? CircularProgressIndicator(
                valueColor: AlwaysStoppedAnimation<Color>(
                  Colors.white, // Change color here
                ),
              ) // Show indicator when isLoading is true
            : Text('Convert'),
          ),
          SizedBox(
            height: 20,
          ),
          Text(
            'Hasil Konversi',
            style: TextStyle(
              fontSize: 30,
            ),
          ),
          SizedBox(
            height: 10,
          ),
          data != null ? Column(
         
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                '1 ${fromController.text} = ${data['data']['${toController.text}']} ${toController.text} \n'
                '${totalController.text} ${fromController.text} = ${hasilKonversi} ${toController.text} \n',
                style: TextStyle(fontSize: 20),
              ),
              Text(
                'Conversion Time \n'
                '${DateFormat('dd-MM-yyyy HH:mm:ss').format(DateTime.now())}',
                style: TextStyle(fontSize: 20),
              ),
            ],
          ) : Text('Belum Ada Data')
        ],
      ),
    );
  }
}

5. We have carried out all the steps, please open the emulator and run the project. If successful, the display will look like the image below.

You can see the list of available currencies here https://freecurrencyapi.com/docs/currency-list. You can also modify the input from form and input to form to become a dropdown select to make it easier to search for currencies.

That's the tutorial on how to create a currency conversion application in Flutter. Hopefully this short tutorial is useful. Don't forget to comment and share, that's all and thank you.

Cool List Page Display in Flutter

noreply@blogger.com (sahretech) — Mon, 25 Dec 2023 00:32:00 +0000

Cool List Page Display in Flutter. Page View with Cards in Flutter, List View News View in Flutter. Create Cool and Beautiful List Displays in Flutter. Example of List View Flutter Display. Creating a List Card View in Flutter. Flutter UI Card. Creating Views Quickly and Easily in Flutter. Script to Create Lists in Flutter Quickly. Flutter Template Design. Flutter Login Design Fresh & Modern



import 'package:flutter/material.dart';
  
  void main() => runApp(ListViewApp());
  
  class ListViewApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'List View App',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: ListViewPage(),
      );
    }
  }
  
  class ListViewPage extends StatefulWidget {
    @override
    _ListViewPageState createState() => _ListViewPageState();
  }
  
  class _ListViewPageState extends State<ListViewPage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Stack(
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.33,
              decoration: BoxDecoration(
                image: DecorationImage(
                  image: NetworkImage(
                      'https://cdn.pixabay.com/photo/2022/01/11/17/04/city-6931092_1280.jpg'), // Ganti dengan URL gambar Anda
                  fit: BoxFit.cover,
                ),
              ),
            ),
            ListView(
              padding: EdgeInsets.zero,
              children: [
                Padding(
                  padding: EdgeInsets.fromLTRB(16, 60, 16, 16),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        'SahreApp',
                        style: TextStyle(
                          fontSize: 26, 
                          fontWeight: FontWeight.bold
                        ),
                      ),
                      SizedBox(
                        height: 10,
                      ),
                      Container(
                        height: 50, // Atur tinggi Container sesuai kebutuhan Anda
                        child: Row(
                          children: [
                            Expanded(
                              child: Container(
                                alignment: Alignment.center,
                                decoration: BoxDecoration(
                                  color: Colors.white,
                                  borderRadius: BorderRadius.circular(25),
                                ),
                                child: TextFormField(
                                  textAlign: TextAlign.start,
                                  textAlignVertical: TextAlignVertical.top,
                                  decoration: InputDecoration(
                                    hintText: 'Type to search .....',
                                    hintStyle: TextStyle(fontSize: 15),
                                    border: InputBorder.none,
                                    contentPadding: EdgeInsets.symmetric(
                                      vertical: 8,
                                      horizontal: 10,
                                    ),
                                  ),
                                ),
                              ),
                            ),
                            SizedBox(width: 10),
                            Container(
                              height:
                                  50, // Atur tinggi Container sesuai kebutuhan Anda
                              decoration: BoxDecoration(
                                color: Colors.blue,
                                borderRadius: BorderRadius.circular(25),
                              ),
                              child: ElevatedButton(
                                onPressed: () {
                                  // Implement your button action here
                                },
                                style: ElevatedButton.styleFrom(
                                  primary: Colors.transparent,
                                  shadowColor: Colors.transparent,
                                  shape: RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(25),
                                  ),
                                ),
                                child: Icon(Icons.search),
                              ),
                            ),
                          ],
                        ),
                      ),
                      ListView.builder(
                        padding: EdgeInsets.only(top: 10),
                        shrinkWrap: true,
                        physics: NeverScrollableScrollPhysics(),
                        itemCount: 5,
                        itemBuilder: (context, index) {
                          return Card(
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(10),
                            ),
                            child: Padding(
                              padding: const EdgeInsets.only(
                                  top: 16, left: 16, right: 16, bottom: 16),
                              child: Container(
                                height: 130,
                                child: Row(
                                  children: [
                                    Expanded(
                                      child: Column(
                                        mainAxisAlignment:
                                            MainAxisAlignment.start,
                                        crossAxisAlignment:
                                            CrossAxisAlignment.start,
                                        children: [
                                          Text(
                                            'Creating a Login in Flutter using Restful Api and Token',
                                            style: TextStyle(
                                                fontSize: 16,
                                                fontWeight: FontWeight.bold),
                                            maxLines: 2,
                                            overflow: TextOverflow.ellipsis,
                                          ),
                                          SizedBox(
                                            height: 8,
                                          ),
                                          Text(
                                            'Hello everyone, back again at sahretech. On this occasion, we will learn how to create a login and process it in Flutter with',
                                            style: TextStyle(fontSize: 12),
                                            maxLines: 3,
                                            overflow: TextOverflow.ellipsis,
                                          ),
                                          SizedBox(
                                            height: 8,
                                          ),
                                          Row(
                                            children: [
                                              Icon(
                                                Icons.bookmark_outline,
                                                size: 23,
                                              ),
                                              Icon(
                                                Icons.share_outlined,
                                                size: 23,
                                              ),
                                            ],
                                          )
                                        ],
                                      ),
                                    ),
                                    SizedBox(
                                      width: 10,
                                    ),
                                    Container(
                                        width: 120,
                                        height: 120,
                                        decoration: BoxDecoration(
                                            color: Colors.grey,
                                            borderRadius:
                                                BorderRadius.circular(10),
                                            image: DecorationImage(
                                              fit: BoxFit.cover,
                                              image: NetworkImage(
                                                  'https://cdn.pixabay.com/photo/2022/09/10/23/28/city-7445873_1280.jpg'),
                                            ))),
                                  ],
                                ),
                              ),
                            ),
                          );
                        },
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ],
        ),
      );
    }
  }

Flutter List View

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Simple But Cool Flutter Login Display

noreply@blogger.com (sahretech) — Mon, 25 Dec 2023 00:18:00 +0000

A simple but cool flutter login page display. Flutter login UI script.

Flutter login template free. Flutter login free UI design. Creating a modern login interface in flutter. Quick login view in flutter. Guide to Creating a Login View Using Flutter: Easy to Understand Script and Code. How to create an attractive and responsive login display using Flutter. Cool and Modern ListView Page Display

1. Create a new flutter project with a name you like. Then open lib/main.dart then replace it with the script below.



// ignore_for_file: prefer_const_constructors, prefer_const_literals_to_create_immutables

  import 'package:flutter/material.dart';
  
  void main() => runApp(LoginApp());
  
  class LoginApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'Login',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: LoginPage(),
      );
    }
  }
  
  class LoginPage extends StatefulWidget {
    @override
    _LoginPageState createState() => _LoginPageState();
  }
  
  class _LoginPageState extends State<LoginPage> {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        body: Column(
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.35,
              decoration: BoxDecoration(
                image: DecorationImage(
                  image: NetworkImage(
                      'https://cdn.pixabay.com/photo/2022/01/11/17/04/city-6931092_1280.jpg'), // Ganti dengan URL gambar Anda
                  fit: BoxFit.cover,
                ),
              ),
            ),
            Expanded(
              child: Padding(
                padding: EdgeInsets.all(20),
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Column(
                      mainAxisAlignment: MainAxisAlignment.center,
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          'Welcome to \nSahreApp 👏',
                          style: TextStyle(
                            fontSize: 30,
                            fontWeight: FontWeight.bold,
                            // color: Colors.white,
                          ),
                        ),
                        SizedBox(height: 20),
                        Text(
                          'Please login to get started',
                          style: TextStyle(
                            fontSize: 16,
                            // color: Colors.white,
                          ),
                        ),
                      ],
                    ),
                    SizedBox(
                      height: 20,
                    ),
                    TextFormField(
                      decoration: InputDecoration(
                        labelText: 'Email',
                        border: OutlineInputBorder(),
                        contentPadding: EdgeInsets.symmetric(
                          vertical:
                              16, // Ubah ukuran vertikal sesuai keinginan Anda
                          horizontal:
                              10, // Ubah ukuran horizontal sesuai keinginan Anda
                        ),
                      ),
                    ),
                    SizedBox(height: 20),
                    TextFormField(
                      obscureText: true,
                      decoration: InputDecoration(
                        labelText: 'Password',
                        border: OutlineInputBorder(),
                        contentPadding: EdgeInsets.symmetric(
                          vertical:
                              16,
                          horizontal:
                              10,
                        ),
                      ),
                    ),
                    SizedBox(height: 20),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.end,
                      children: [
                        Text(
                          'Forgot Password',
                          style: TextStyle(
                            fontSize: 14,
                            color: Colors.blue,
                          ),
                        )
                      ],
                    ),
                    SizedBox(height: 20),
                    SizedBox(
                      height: 45,
                      width: double.infinity,
                      child: ElevatedButton(
                        onPressed: () {},
                        child: Text('Login'),
                      ),
                    ),
                  ],
                ),
              ),
            ),
            Align(
              alignment: Alignment.bottomCenter,
              child: FractionallySizedBox(
                widthFactor: 0.8,
                child: Padding(
                  padding: const EdgeInsets.only(bottom: 20),
                  child: Row(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Text(
                        'Dont have an account yet? ',
                        style: TextStyle(
                          fontSize: 16,
                        ),
                      ),
                      Text(
                        'Register!',
                        style: TextStyle(
                          fontSize: 16,
                          color: Colors.blue,
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ],
        ),
      );
    }
  }

2. The display when running is as shown below. We use several widgets such as network image, text, textformfield, listview, column, row, and button

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Creating a News App with Grid View Flutter and WordPress Api

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 06:30:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a simple news application using the grid view widget and WordPress api. Are you curious? Come on, follow the details below.

I have previously made a news application with WordPress API at the following link https://www.porkaone.com/2023/12/creating-news-application-with.html. But the display still uses a list view. So, for those of you who are still confused about how to use grid view, then this is the right tutorial for those of you who want to implement this widget. Scroll down to immediately see the results.

How to Create a Grid View Flutter Application with WordPress Api

1. Create a new project with the name you want. Use flutter version 3+ which supports null safety.

2. Then open the pubspec.yaml file. Then add the http: and flutter_widget_from_html_core: packages. Follow the example as below.

Add Package

3. Create a new file in the lib folder with the name api.dart. Copy the script below.



import 'dart:convert';
import 'package:http/http.dart' as http;

class Api {

  //method untuk mengambil data
  Future fetchData() async {
    
    //get data from api
    //we get data from the website hipwee and store it into dataJson variable
    //you can use url from the other website
    var dataJson = await http.get(Uri.parse('https://hipwee.com/wp-json/wp/v2/posts?_embed'));

    //convert string into dart object
    //This change aims to ensure that data can be managed easily
    var data = jsonDecode(dataJson.body);

    //get data
    return data;
    
  }
}

4. Create a new file in the lib folder with the name detail.dart. Copy the script below.



import 'package:flutter/material.dart';
import 'package:flutter_widget_from_html_core/flutter_widget_from_html_core.dart';

class Detail extends StatelessWidget {
  final String title;
  final String content;
  final String image;

  Detail({
    required this.title,
    required this.content,
    required this.image,
  });

  @override
  Widget build(BuildContext context) {
    //remove the text 'data' in 'data-src', this is usually found in
    String modifiedHtmlString = this.content.replaceAll('data-src', 'src');


    return Scaffold(
      appBar: AppBar(
        title: Text('Detail'),
      ),
      body: ListView(
        padding: EdgeInsets.zero,
        children: [
          Container(
            //device-wide image size
            width: double.infinity,
            height: MediaQuery.of(context).size.height * 0.33,


            //you can fill the container with images using this property
            decoration: BoxDecoration(
              image: DecorationImage(
                image: NetworkImage(this.image), // show image
                fit: BoxFit.cover,
              ),
            ),
          ),
          SizedBox(
            height: 10, //distance between image and content
          ),
          Padding(
            padding: EdgeInsets.only(left: 16, right: 16, top: 5, bottom: 16),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  this.title, //show title
                  style: TextStyle(
                    fontSize: 22, //font size
                    fontWeight: FontWeight.w400, //letter thickness
                  ),
                ),
                SizedBox(
                  height: 20, //distance between title and content
                ),
                HtmlWidget(
                  modifiedHtmlString,
                ),
              ],
            ),
          )
        ],
      ),
    );
  }
}

5. Open the main.dart file. Then edit with the script below.



// ignore_for_file: prefer_const_constructors
import 'package:flutter/material.dart';

import 'api.dart';
import 'detail.dart';

void main() {
  runApp(
    MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyApp(),
    ),
  );
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Api api = Api();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: Text('Flutter News'),
        ),
        body: FutureBuilder(
          future: api.fetchData(),
          builder: (_, snapshot) {
            if (snapshot.connectionState == ConnectionState.done) {
              var list = snapshot.data as List;

              return GridView.builder(
                itemCount: list.length,
                gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                  // multiple grids displayed in one row
                  crossAxisCount: 2,
                ),
                itemBuilder: (_, index) {
                  return Container(
                    margin: EdgeInsets.all(8.0),
                    decoration: BoxDecoration(
                      border: Border.all(
                        color: Colors.grey,
                        width: 1.0,
                      ),
                    ),
                    child: InkWell(
                      onTap: () {
                        Navigator.push(
                          context,
                          // DetailPage is the destination page
                          MaterialPageRoute(
                            builder: (context) => Detail(
                              title: list[index]['title']['rendered'],
                              content: list[index]['content']['rendered'],
                              image: list[index]['_embedded']
                                  ['wp:featuredmedia'][0]['source_url'],
                            ),
                          ),
                        );
                      },
                      child: Column(
                        children: [
                          Flexible(
                            child: Image.network(
                              list[index]['_embedded']['wp:featuredmedia'][0]
                                  ['source_url'],
                              height:
                                  100,
                              fit: BoxFit.cover,
                              width: MediaQuery.of(context).size.width,
                            ),
                          ),
                          Padding(
                            padding: const EdgeInsets.only(
                                left: 5, right: 5, top: 5, bottom: 5,),
                            child: Text(
                              list[index]['title']
                                  ['rendered'],
                              style: TextStyle(
                                fontSize: 16,
                              ),
                              maxLines: 3,
                            ),
                          ),
                        ],
                      ),
                    ),
                  );
                },
              );
            } else {
              return Center(
                child: CircularProgressIndicator(),
              );
            }
          },
        ));
  }
}

6. Ok, now we have done all the steps. Try running it now with the emulator. If successful, the display will look like the image below.

That's it for our short tutorial this time on how to create a news application with Flutter grid view and WordPress API. Hopefully this short tutorial is useful, that's all and thank you.

How to Create a Map in Flutter and Add Markers

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 04:35:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to display a map in Flutter and provide markers. Are you curious? Come on, follow the tutorial below.

In our tutorial this time, we will create a simple application that displays a map. Then there is a marker and if you tap this marker, a bottom sheet will appear in the form of information about that place.

Apart from that, this time we didn't use Google Maps. We will use openstreetmap instead. If you have credit card problems and have difficulty using Google Maps, OpenStreetmap could be the solution. Scroll to the bottom of this article to see the final results.

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How to Create a Map in Flutter and Add Markers

1. Create a new project with the name you want. Use the latest version of flutter. For flutter I use version 2.10 with sdk: ">=2.16.2 <3.0.0"

2. Open the pubspec.yaml file then add the flutter_map: and latlong: ^0.6.1 packages, follow the example as shown in the image below. And don't forget to save the file so the package can be downloaded.

3. Open the main.dart file then replace it with the script below.



import 'package:flutter/material.dart';
  import 'package:flutter_map/flutter_map.dart';
  import 'package:latlong2/latlong.dart';
  
  void main() {
    runApp(const MyApp());
  }
  
  class MyApp extends StatelessWidget {
    const MyApp({Key? key}) : super(key: key);
  
    // This widget is the root of your application.
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: Scaffold(
          body: OpenStreetMapWidget(),
        ),
      );
    }
  }
  
  class OpenStreetMapWidget extends StatefulWidget {
    @override
    State<OpenStreetMapWidget> createState() => _OpenStreetMapWidgetState();
  }
  
  class _OpenStreetMapWidgetState extends State<OpenStreetMapWidget> {
    void _showDetailsSheet(
        BuildContext context, String name, String about, String latlng) {
      showModalBottomSheet(
        context: context,
        isScrollControlled: true,
        builder: (BuildContext context) {
          return SingleChildScrollView(
            child: Container(
              padding: EdgeInsets.all(16.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Padding(
                    padding: const EdgeInsets.all(8.0),
                    child: Text(name),
                  ),
                  Divider(),
                  Padding(
                    padding: const EdgeInsets.all(8.0),
                    child: Expanded(
                      child: Text(
                        about,
                        softWrap: true,
                      ),
                    ),
                  ),
                  Divider(),
                  Padding(
                    padding: const EdgeInsets.all(8.0),
                    child: Expanded(
                      child: Text(
                        'LatLong: '+latlng,
                        softWrap: true,
                      ),
                    ),
                  ),
                  Divider(),
                ],
              ),
            ),
          );
        },
      );
    }
  
    @override
    Widget build(BuildContext context) {
      List<Marker> markers = [
        Marker(
          width: 80.0,
          height: 80.0,
          point: LatLng(-2.9917713, 104.7624691), // marker coordinat
          builder: (ctx) => InkWell(
            onTap: () {
              _showDetailsSheet(
                  context,
                  'Ampera Bridge',
                  'Ampera Bridge, the icon of the capital city of South Sumatra, is a bridge erected on the Sumatran route that stretches over the Musi River. Built to link two areas, Ampera Bridge connects Seberang Ilir and Seberang Ulu, and further serves as a primary route for locals on a daily basis.',
                  '-2.9917713, 104.7624691');
            },
            child: Container(
              child: Icon(
                Icons.place,
                size: 40,
                color: Colors.red,
              ),
            ),
          ),
        ),
      ];
  
      return FlutterMap(
        options: MapOptions(
          center: LatLng(-2.9917713, 104.7624691),
          zoom: 14.0, // Tingkat zoom awal
        ),
        layers: [
          TileLayerOptions(
            urlTemplate: 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
            subdomains: ['a', 'b', 'c'],
          ),
          MarkerLayerOptions(
            markers: markers,
          ),
        ],
      );
    }
  }

Explanation of the script above:

The OpenStreetMapWidget class is an instance of StatefulWidget, which means that this widget has a state that can change. In it, we implement the build() function which will render the OpenStreetMap map view.
In the build() function, we create a list of markers containing one marker. A marker is an object that represents a marker on a map. Here, we set several properties such as width, height, point (marker coordinates), and builder (function to render the marker display).
The _showDetailsSheet() function is used to display a modal bottom sheet when the user taps a marker on the map. A bottom sheet modal is an interface component that appears from the bottom of the screen and presents additional information or actions.\
Inside _showDetailsSheet(), we use showModalBottomSheet() to display the modal bottom sheet. We define the context and build the bottom sheet modal view using the SingleChildScrollView, Container, and Column widgets.
List<Marker> markers = [ ... ]: Creates a list of markers containing Marker objects. Each Marker represents a marker on the map.
return FlutterMap(...);: Returns a FlutterMap widget that displays a map with predefined configurations and layers.
MapOptions(...): Set configurations for the map display such as center and initial zoom level.
TileLayerOptions(...): Sets a map tile layer from OpenStreetMap with the specified template URL.
MarkerLayerOptions(...): Sets a marker layer on the map using previously defined markers.

4. After all the steps have been completed, please run the emulator. If successful, the display will look like the image below.

It's easy isn't it?, now you can create an Android application that can display maps. You can also display markers and display the information in them. Improve your maps application again by using Google Maps, API data and other features.

That's it for this tutorial on How to Make a Map in Flutter and Add Markers. Hopefully this short tutorial is useful. If there is something you don't understand, please ask directly in the comments column below. That's all and receive a salary.

How to Create a Firebase CRUD App with Firebase in Flutter

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 03:56:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create CRUD using Firebase and Flutter. Are you curious? Come on, follow the tutorial below.

Firebase is a service from Google that provides online storage or database. Not only online storage, Firebase also has other services such as push notifications, real-time storage, file storage, testing and so on. Firebase can be a solution that can be used if you are lazy or can't create a backend and environment.

On this occasion we will learn how to create a task CRUD application using Firebase. The form is quite simple, namely the title and description of the task. Scroll to the bottom of this article to see the final results.

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How to Create a CRUD App with Firebase in Flutter

1. Create a flutter project and connect to firebase. You can connect to Firebase manually or with the help of the CLI. Watch the YouTube video below to setup Firebase with the help of CLI.

2. Use the latest flutter version. Meanwhile, the version I use is Flutter version 2.10. And sdk: ">=2.16.2 <3.0.0", minSdkVersion 19 and using multiDex. Here are the pubspec.yaml and android/app/build.gradle settings that I have.

pubspec.yaml

android/app/build.gradle

3. Create a new file in the lib folder with the name task_model.dart Follow the script below.



class Task {
  final String id;
  final String title;
  final String description;

  Task({
    required this.id,
    required this.title,
    required this.description,
  });
}

4. Create a new file in the lib folder with the name database.dart. Follow the script below.



  import 'package:cloud_firestore/cloud_firestore.dart';

  import 'task_model.dart';
  
  class DatabaseService {
    final CollectionReference tasksCollection =
        FirebaseFirestore.instance.collection('tasks'); //inisialisasi database tasks
    //metode untuk menambah data
    Future<void> addTask(String title, String description) async {
      try {
        await tasksCollection.add({
          'title': title,
          'description': description,
        });
      } catch (e) {
        print(e.toString());
      }
    }
    //metode untuk menampilkan gambar
    Stream<List<Task>> getTasks() {
      return tasksCollection.snapshots().map(
        (snapshot) {
          if (snapshot.docs.isEmpty) {
            return [];
          } else {
  
            return snapshot.docs
                .map(
                  (doc) => Task(
                    id: doc.id,
                    title: (doc.data() as Map<String, dynamic>)['title'] ?? '',
                    description:
                        (doc.data() as Map<String, dynamic>)['description'] ?? '',
                  ),
                )
                .toList();
          }
        },
      );
    }
    //metode untuk mengapus data
    Future<void> deleteTask(String id) async {
      try {
        await tasksCollection.doc(id).delete();
      } catch (e) {
        print(e.toString());
      }
    }
  }

Explanation of the script above:

final CollectionReference tasksCollection = FirebaseFirestore.instance.collection('tasks'); serves to initialize the tasksCollection variable as a reference to the 'tasks' collection in Firestore. Or it's easier to initialize the database.
tasksCollection.add() is used to add a new document to the Firestore collection referenced by tasksCollection.
tasksCollection.doc(id).delete() is used to delete documents based on the document id in the Firestore collection referenced by tasksCollection.
tasksCollection.snapshots().map() is used to take the most recent snapshot of the Firestore collection referenced by tasksCollection and map each snapshot to the desired data type.
Stream<List<Task>> is a data type that can be used in realtime. Please try entering data directly into Firebase. Then the data in the application is automatically updated

5. Create a new file in the lib folder with the name task_screen.dart Follow the script below.



import 'package:flutter/material.dart';
  import 'database.dart';
  import 'task_model.dart';
  
  class TaskScreen extends StatelessWidget {
    final DatabaseService databaseService = DatabaseService();
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('Task Manager'),
        ),
        body: StreamBuilder<List<Task>>(
          stream: databaseService.getTasks(),
          builder: (context, snapshot) {
            if (!snapshot.hasData) {
              return Center(
                child: CircularProgressIndicator(),
              );
            }
  
            List<Task> tasks = snapshot.data!;
  
            return ListView.builder(
              itemCount: tasks.length,
              itemBuilder: (context, index) {
                return ListTile(
                  title: Text(tasks[index].title),
                  subtitle: Text(tasks[index].description),
                  trailing: IconButton(
                    icon: Icon(Icons.delete),
                    onPressed: () {
                      databaseService.deleteTask(tasks[index].id);
                    },
                  ),
                );
              },
            );
          },
        ),
        floatingActionButton: FloatingActionButton(
          child: Icon(Icons.add),
          onPressed: () {
            // Display a dialog for adding a new task
            showDialog(
              context: context,
              builder: (context) {
                String title = '';
                String description = '';
  
                return AlertDialog(
                  title: Text('Add Task'),
                  content: Column(
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      TextField(
                        onChanged: (value) {
                          title = value;
                        },
                        decoration: InputDecoration(
                          labelText: 'Title',
                        ),
                      ),
                      TextField(
                        onChanged: (value) {
                          description = value;
                        },
                        decoration: InputDecoration(
                          labelText: 'Description',
                        ),
                      ),
                    ],
                  ),
                  actions: [
                    TextButton(
                      child: Text('Cancel'),
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                    ),
                    TextButton(
                      child: Text('Add'),
                      onPressed: () {
                        databaseService.addTask(title, description);
                        Navigator.of(context).pop();
                      },
                    ),
                  ],
                );
              },
            );
          },
        ),
      );
    }
  }

6. Open the lib/main.dart file and replace it with the script below



  import 'package:firebase_core/firebase_core.dart';
  import 'package:flutter/material.dart';
  import 'firebase_options.dart';
  import 'task_screen.dart';
  
  
  void main() async {
    WidgetsFlutterBinding.ensureInitialized();
    await Firebase.initializeApp(
      options: DefaultFirebaseOptions.currentPlatform,
    );
  
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Flutter Firebase CRUD',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: TaskScreen(),
      );
    }
  }

We have done all the steps. Now we can test with the emulator. If successful, the display will look like the image below.

Task Screen

Firebase

That's the tutorial on how to create a Firebase CRUD application in Flutter. Hopefully this short tutorial is useful, if you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Tutorial on How to Create a Swipe Action on a List in Flutter

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 02:21:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a swipe action on a list in Flutter or when sliding a row to the left displays an action. Are you curious? Come on, follow the tutorial below.

Swipe Action?

Swipe Action or Swipe Gesture is the user's action of swiping right or left on elements such as cards or lists to activate certain actions. Usually this function is used to delete certain data, mark it as favorite data or other actions.

In our tutorial this time, we will create a simple application. Where this application will display a list of user data. If you slide it to the left, user data will be lost. Please scroll to the bottom of this article to see the final results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

How to Create a Swipe Action with Dismissible in Flutter

1. Create a new flutter project with a free name. Use the latest flutter version or the version that supports null safety. For flutter I use flutter version 2.10 with sdk: ">=2.16.2 <3.0.0"

Flutter Version I Use

2. Open the lib/main.dart file then replace it with the script below.



  import 'package:flutter/material.dart';

  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'WordPress News',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: ListUsers(),
      );
    }
  }
  
  class ListUsers extends StatefulWidget {
    const ListUsers({Key? key}) : super(key: key);
  
    @override
    State<ListUsers> createState() => _ListUsersState();
  }
  
  class _ListUsersState extends State<ListUsers> {
    //membuat list data user
    List<Map<String, dynamic>> userList = [
      {
        'id': '1',
        'name': 'Terry Medhurst',
        'email': 'terry@sohu.com',
        'image': 'https://robohash.org/hicveldicta.png',
      },
      {
        'id': '2',
        'name': 'Sheldon Quigley',
        'email': 'sheldon@sohu.com',
        'image': 'https://robohash.org/doloremquesintcorrupti.png',
      },
      {
        'id': '3',
        'name': 'Terrill Hills',
        'email': 'terrill@sohu.com',
        'image': 'https://robohash.org/consequunturautconsequatur.png',
      },
    ];
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('Flutter Swipe Action'),
        ),
        body: ListView.builder(
          itemCount: userList.length,
          itemBuilder: (_, index) {
            final user = userList[index];
            final userId = user['id'];
            return Dismissible(
              key: Key(userId),
              background: Container(
                color: Colors.red,
                alignment: Alignment.centerRight,
                padding: EdgeInsets.symmetric(horizontal: 16.0),
                child: Icon(
                  Icons.delete,
                  color: Colors.white,
                ),
              ),
              onDismissed: (direction) {
                setState(() {
                  userList.removeAt(index);
                });
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(content: Text('User $userId dismissed')),
                );
              },
              child: ListTile(
                contentPadding: EdgeInsets.only(
                  bottom: 10,
                ),
                title: Text(user['name']),
                subtitle: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text('Email Address: ' + user['email']),
                  ],
                ),
                leading: Image.network(
                  user['image'],
                  fit: BoxFit.cover,
                  width: 80,
                  height: 80,
                ),
              ),
            );
          },
        ),
      );
    }
  }

Explanation of the script above:

import 'package:flutter/material.dart';: Imports the flutter/material.dart package required to build a Flutter application using Material Design.
void main(): The main function of the Flutter application.
runApp(MyApp());: Starts the application by running the MyApp() widget as the root widget.
class MyApp extends StatelessWidget {: Defines the MyApp class as an instance of StatelessWidget.
@override: Annotation indicating that the next method is an override of a method from the superclass.
Widget build(BuildContext context) {: Build method that describes the appearance of the MyApp widget.
return MaterialApp(...): Returns the MaterialApp widget, which is the root widget of the application with the specified configuration and theme.
title: 'WordPress News',: Application title.
theme: ThemeData(...),: Application theme that uses a blue primarySwatch.
home: ListUsers(),: Set ListUsers as the application's home page.
class ListUsers extends StatefulWidget {: Defines the ListUsers class as an instance of StatefulWidget.
const ListUsers({Key? key}) : super(key: key);: Constructor for the ListUsers class, accepting optional keys.
@override: Annotation indicating that the next method is an override of a method from the superclass.
State<ListUsers> createState() => _ListUsersState();: Overrides the createState method which returns an instance of _ListUsersState, which is the state for the ListUsers widget.
class _ListUsersState extends State<ListUsers> {: Defines the class _ListUsersState as an instance of State that holds the state for the ListUsers widget.
List<Map<String, dynamic>> userList = [...];: Defines a userList list that contains several user data maps.
@override: Annotation indicating that the next method is an override of a method from the superclass.
Widget build(BuildContext context) {: Build method that describes the appearance of the _ListUsersState widget.
return Scaffold(...): Returns the Scaffold widget that provides the basic framework for the application page.
appBar: AppBar(...): Sets the AppBar widget as the app bar at the top of the page.
body: ListView.builder(...): Sets the ListView.builder widget as the page body to display the user's list of items.
final user = userList[index];: Retrieves user data at a specified index from userList.
final userId = user['id'];: Retrieves the 'id' value from the current user data.
return Dismissible(...): Returns a Dismissible widget that implements the swipe action on the user list element.
background: Container(...): Sets the appearance of the background when the element is shifted towards the right.
onDismissed: (direction) {...},: Determines the action performed when an element is shifted and released.
child: ListTile(...): Returns a ListTile widget that displays user information such as name, email, and profile picture.
leading: Image.network(...): Displays the user's profile image as the leading widget in the ListTile.

3. Run the application, if successful then the display will look like the image below.

It's easy isn't it?, you can now create swipe actions in Flutter easily and quickly. You can also improvise by adding other actions. Give actions to api data, combine them with swipe refresh or refresh indicator and so on.

That's it for our short tutorial today on how to create a swipe action on a list in Flutter. Hopefully this short tutorial is useful. If you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Creating Swipe Refresh or Refresh Indicator in Flutter and Data API

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 01:18:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to add a refresh indicator to a list in Flutter. Are you curious? Come on, follow the tutorial below.

Swipe refresh, or refresh indicator, is a widget provided by Flutter to refresh or reset the page to get a new status. This status can be a change in data. The way to update data with the refresh indicator is by pulling down or swiping down on the smartphone screen.

So in this tutorial, we will learn how to create a refresh indicator and create a list view of user data that comes from dummy.json/users. Please scroll to the bottom of this article to see the final results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

How to Create a Swipe Refresh or Refresh Indicator in Flutter and Data API

1. Create a new flutter project with a free name. Use the latest version of flutter or the null safety version of flutter. For flutter I use flutter version 2.10 with sdk: ">=2.16.2 <3.0.0"

2. Open pubspec.yaml then add the http: follow the example as shown in the image below and don't forget to save the file to download the package.

Add Package

3. Create a new file in the lib folder with the name api_service.dart, follow the script as in the script below.



  import 'dart:convert';
  import 'package:http/http.dart' as http;
  
  class ApiService {
  
    Future<List<dynamic>> fetchNews() async {
      final response = await http.get(Uri.parse('https://dummyjson.com/users'));
      if (response.statusCode == 200) {
        final List<dynamic> jsonResponse = jsonDecode(response.body)['users'];

        return jsonResponse.toList();

      } else {

        throw Exception('Failed to load news');
      }
    }
  }

4. Create a new file in the lib folder with the name list_users.dart following the script as below.



import 'package:flutter/material.dart';
  import 'api_service.dart';
  
  class ListUsers extends StatefulWidget {
    const ListUsers({Key? key}) : super(key: key);
  
    @override
    State<ListUsers> createState() => _ListUsersState();
  }
  
  class _ListUsersState extends State<ListUsers> {
  
    Future<void> _refreshNews() async {
      setState(() {
        ApiService().fetchNews();
      });
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('Flutter Swipe Refresh'),
        ),
        body: Center(
          child: RefreshIndicator(
            onRefresh: _refreshNews,
            child: FutureBuilder<List<dynamic>>(
              future: ApiService().fetchNews(),
              builder: (_, snapshot) {
                if (snapshot.connectionState == ConnectionState.waiting) {
                  // While data is being fetched, show a loading indicator
                  return CircularProgressIndicator();
                } else if (snapshot.hasError) {
                  // If there's an error in fetching data, show an error message
                  return Text('Error: ${snapshot.error}');
                } else if (snapshot.hasData) {
                  // If data is available, display it in a list
                  final newsList = snapshot.data!;
                  return ListView.builder(
                    padding: EdgeInsets.only(
                      top: 16,
                    ),
                    itemCount: newsList.length,
                    itemBuilder: (_, index) {
                      final news = newsList[index];
                      return ListTile(
                        contentPadding: EdgeInsets.only(
                          bottom: 10,
                        ),
                        title: Text(
                          news['firstName']+' '+news['lastName'],
                        ),
                        subtitle: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Text(
                              'Phone Number: '+news['phone'],
                            ),
                            Text(
                              'Email Address: '+news['email'],
                            ),
                          ],
                        ),
                        leading: Image.network(
                          news['image'],
                          fit: BoxFit.cover,
                          width: 80,
                          height: 80,
                        ),
                      );
                    },
                  );
                } else {
                  // If no data is available, show a message
                  return Text('No data available');
                }
              },
            ),
          ),
        ),
      );
    }
  }

Explanation of the script above:

_refreshNews() is a method that will be executed when the application is swiped down. The contents are simple, namely retrieving API data. You can improvise this by adding other processes.
child: RefreshIndicator( onRefresh: _refreshNews, ... ) this is a widget provided by flutter to refresh the page. We need to fill in what method to run inside onRefresh:

5. Open the lib/main.dart file then replace it with the script below.



import 'package:flutter/material.dart';
  import 'list_users.dart';
  
    
    void main() {
      runApp(MyApp());
    }
    
    class MyApp extends StatelessWidget {
      @override
      Widget build(BuildContext context) {
        return MaterialApp(
          title: 'WordPress News',
          theme: ThemeData(
            primarySwatch: Colors.blue,
          ),
          home: ListUsers(),
        );
      }
    }

Now we can do a test run. Please run the emulator. If successful, the display will look like the image below.

Easy isn't it?, now we can add a swipe refresh or refresh indicator to Flutter and combine it with API data. Now you can improvise by adding another widget or other fire data to make it more powerful.

That's it for our tutorial this time on how to make a swipe refresh in Flutter with API data. Hopefully this short article is useful. If you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Displaying Popular Youtube Videos in Flutter App with Youtube API

noreply@blogger.com (sahretech) — Sun, 24 Dec 2023 00:42:00 +0000

Hello everyone, welcome back again at porkaone. On this occasion we will learn how to display popular YouTube videos with the YouTube API in the Flutter application. Are you curious? Come on, follow the details below.

Previously I made a tutorial on how to display YouTube videos with YouTube API in Flutter. Here is the link to the article https://www.porkaone.com/2023/12/how-to-display-youtube-videos-from.html

The difference with this tutorial is that we will show popular YouTube videos but still use the YouTube API. Apart from that, we will also display the total likes and total views. So we will also modify the model and appearance. Scroll to the bottom of this article to see the final results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

Displaying Popular Youtube Videos in Flutter App with Youtube API

1. First and foremost, you must have a YouTube API key first. If you don't have it, please follow the following tutorial https://www.porkaone.com/2023/12/how-to-get-youtube-api-key.html

2. Create a new file with the name you want. The flutter used is the null safety version. sdk: ">=2.16.2 <3.0.0". A slightly lower or slightly higher version difference doesn't matter.

3. Open pubspec.yaml. Then add http: ^0.13.5 and youtube_player_flutter: ^8.0.0, follow the example as shown below.

Add Package

4. Create a new file in the lib folder with the name video_model.dart then follow the script below.



class Video {
  final String id;
  final String title;
  final String thumbnail;
  final String channelTitle;
  final int viewCount;
  final int likeCount;

  Video({
    required this.id,
    required this.title,
    required this.thumbnail,
    required this.channelTitle,
    required this.viewCount,
    required this.likeCount,
  });

  factory Video.fromJson(Map<String, dynamic> json) {
    return Video(
      id: json['id'] ?? '',
      title: json['snippet']['title'] ?? '',
      thumbnail: json['snippet']['thumbnails']['high']['url'] ?? '',
      channelTitle: json['snippet']['channelTitle'] ?? '',
      viewCount: int.tryParse(json['statistics']['viewCount']) ?? 0, 
      likeCount: int.tryParse(json['statistics']['likeCount']) ?? 0, 
    );
  }
}

5. Create a new file in the lib folder with the name youtube_api.dart then follow the script below. Don't forget to replace key=YOUR_KEY with the YouTube API key that you have.



import 'dart:convert';
  import 'package:http/http.dart' as http;
  import 'video_model.dart';
  
  class YouTubeApi {
    Future<List<Video>> getVideos() async {
      final url = 'https://www.googleapis.com/youtube/v3/videos'
          '?part=snippet'
          '&part=statistics'
          '&chart=mostPopular'
          '&maxResults=10'
          '&type=video'
          '&key=YOUR_KEY';
  
      final response = await http.get(Uri.parse(url));
  
      if (response.statusCode == 200) {
        final jsonData = json.decode(response.body);
        final videoList = jsonData['items'] as List<dynamic>;
  
        return videoList.map((item) => Video.fromJson(item)).toList();
      } else {
        throw Exception('Failed to load videos');
      }
    }
  }

5. Create a new file in the lib folder with the name detail.dart then follow the script below.

 

 import 'package:flutter/material.dart';
  import 'package:youtube_player_flutter/youtube_player_flutter.dart';
  
  import 'video_model.dart';
  import 'youtube_api.dart';
  
  class Detail extends StatefulWidget {
    final String videoId;
    final String title;
  
    Detail({
      required this.videoId,
      required this.title,
    });
  
    @override
    State<Detail> createState() => _DetailState();
  }
  
  class _DetailState extends State<Detail> {
    late YoutubePlayerController _controller;
  
    @override
    void initState() {
      super.initState();
      _controller = YoutubePlayerController(
        initialVideoId: YoutubePlayer.convertUrlToId(
            'https://www.youtube.com/watch?v=' + widget.videoId)!,
        flags: const YoutubePlayerFlags(
          autoPlay: false,
          mute: false,
        ),
      );
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: const Text('Video Detail'),
        ),
        body: ListView(
          children: [
            YoutubePlayer(
              controller: _controller,
              showVideoProgressIndicator: true,
              progressIndicatorColor: Colors.blueAccent,
            ),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Container(
                        width: 35,
                        height: 35,
                        decoration: const BoxDecoration(
                          borderRadius: BorderRadius.all(Radius.circular(20)),
                          image: DecorationImage(
                            fit: BoxFit.cover,
                            image: NetworkImage(
                              'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                            ),
                          ),
                        ),
                      ),
                      const SizedBox(
                        width: 10,
                      ),
                      Expanded(
                        child: Text(
                          widget.title,
                          style: const TextStyle(
                              fontSize: 18, fontWeight: FontWeight.w400),
                          maxLines: 2,
                          overflow: TextOverflow.ellipsis,
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(
                    height: 20,
                  ),
                  const Text(
                    'See Other Videos',
                    style: TextStyle(fontSize: 18, fontWeight: FontWeight.w500),
                  ),
                  const SizedBox(
                    height: 15,
                  ),
                  FutureBuilder<List<Video>>(
                    future: YouTubeApi().getVideos(),
                    builder: (context, snapshot) {
                      if (snapshot.connectionState == ConnectionState.waiting) {
                        return Center(
                          child: CircularProgressIndicator(),
                        );
                      } else if (snapshot.hasData) {
                        final videos = snapshot.data!;
                        return ListView.builder(
                          padding: EdgeInsets.zero,
                          shrinkWrap: true,
                          physics: const NeverScrollableScrollPhysics(),
                          itemCount: videos.length,
                          itemBuilder: (context, index) {
                            final video = videos[index];
                            return Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              mainAxisAlignment: MainAxisAlignment.start,
                              children: [
                                InkWell(
                                  onTap: () => {
                                    Navigator.push(
                                      context,
                                      MaterialPageRoute(
                                        builder: (context) => Detail(
                                          videoId: video.id,
                                          title: video.title,
                                        ),
                                      ),
                                    )
                                  },
                                  child: ListTile(
                                    contentPadding: EdgeInsets.zero,
                                    leading: Image.network(
                                      video.thumbnail,
                                      fit: BoxFit.cover,
                                      width: 120,
                                    ),
                                    title: Text(
                                      video.title,
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                  ),
                                ),
                                const SizedBox(
                                  height: 8,
                                ),
                              ],
                            );
                          },
                        );
                      } else if (snapshot.hasError) {
                        return Center(
                          child: Text('Error: ${snapshot.error}'),
                        );
                      } else {
                        return Center(
                          child: Text('Failed to load videos'),
                        );
                      }
                    },
                  ),
                ],
              ),
            )
          ],
        ),
      );
    }
  }

6. Open lib/main.dart then follow the script below.



import 'package:flutter/material.dart';
  import 'detail.dart';
  import 'video_model.dart';
  import 'youtube_api.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatefulWidget {
    @override
    State<MyApp> createState() => _MyAppState();
  }
  
  class _MyAppState extends State<MyApp> {
    String formatNumber(dynamic number) {
      if (number >= 1000000) {
        return (number ~/ 1000000).toString() + ' jt';
      } else if (number >= 1000) {
        return (number ~/ 1000).toString() + ' rb';
      } else {
        return number.toString();
      }
    }
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        home: Scaffold(
          appBar: AppBar(
            title: Text('YouTube Videos'),
          ),
          body: FutureBuilder<List<Video>>(
            future: YouTubeApi().getVideos(),
            builder: (context, snapshot) {
              if (snapshot.connectionState == ConnectionState.waiting) {
                return Center(
                  child: CircularProgressIndicator(),
                );
              } else if (snapshot.hasData) {
                final videos = snapshot.data!;
                return ListView.builder(
                  itemCount: videos.length,
                  itemBuilder: (context, index) {
                    final video = videos[index];
                    return InkWell(
                      onTap: () {
                        Navigator.push(
                          context,
                          MaterialPageRoute(
                            builder: (context) => Detail(
                              videoId: video.id,
                              title: video.title,
                            ),
                          ),
                        );
                      },
                      child: Container(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Image.network(
                              video.thumbnail,
                              width: double.infinity,
                              height: 160,
                              fit: BoxFit.cover,
                            ),
                            const SizedBox(
                              height: 5,
                            ),
                            Padding(
                              padding: EdgeInsets.all(8),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                children: [
                                  Container(
                                    width: 45,
                                    height: 45,
                                    decoration: const BoxDecoration(
                                      borderRadius:
                                          BorderRadius.all(Radius.circular(20)),
                                      image: DecorationImage(
                                        fit: BoxFit.cover,
                                        image: NetworkImage(
                                          'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                                        ),
                                      ),
                                    ),
                                  ),
                                  const SizedBox(
                                    width: 10,
                                  ),
                                  Expanded(
                                    child: Column(
                                      crossAxisAlignment:
                                          CrossAxisAlignment.start,
                                      children: [
                                        Text(
                                          video.title,
                                          style: const TextStyle(
                                            fontSize: 16,
                                          ),
                                          maxLines: 2,
                                          overflow: TextOverflow.ellipsis,
                                        ),
                                        SizedBox(
                                          height: 5,
                                        ),
                                        Row(
                                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                          children: [
                                            Text(
                                              video.channelTitle,
                                              style: const TextStyle(
                                                fontSize: 12,
                                              ),
                                              maxLines: 2,
                                              overflow: TextOverflow.ellipsis,
                                            ),
                                            Row(
                                              children: [
                                                Icon(
                                                  Icons.thumb_up,
                                                  size: 14,
                                                ),
                                                SizedBox(width: 5),
                                                Text(
                                                  formatNumber(video.likeCount),
                                                  style: const TextStyle(
                                                    fontSize: 12,
                                                  ),
                                                ),
                                                SizedBox(width: 10),
                                                Icon(
                                                  Icons.remove_red_eye,
                                                  size: 14,
                                                ),
                                                SizedBox(width: 5),
                                                Text(
                                                  formatNumber(video.viewCount),
                                                  style: const TextStyle(
                                                    fontSize: 12,
                                                  ),
                                                ),
                                                SizedBox(width: 16,)
                                              ],
                                            )
                                          ],
                                        ),
                                      ],
                                    ),
                                  ),
                                ],
                              ),
                            ),
                            SizedBox(
                              height: 10,
                            )
                          ],
                        ),
                      ),
                    );
                  },
                );
              } else if (snapshot.hasError) {
                return Center(
                  child: Text('Error: ${snapshot.error}'),
                );
              } else {
                return Center(
                  child: Text('Failed to load videos'),
                );
              }
            },
          ),
        ),
      );
    }
  }

If we have done all the steps, it's time to do a trial. Please run the emulator, if successful then the display will look like the image below.

It's easy, isn't it?, now you can display data from YouTube and process it into the various application needs that you have. You can improvise by adding searches or displaying videos in certain categories.

OK, that's it for this tutorial on how to display popular YouTube videos in the Flutter application with YouTube Api. Hopefully this short tutorial is useful, if there are problems, please report them directly in the comments column below. That's all and receive a salary.

Creating a News Application from Blogger API in Flutter

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 23:37:00 +0000

Halo semuanya, kembali lagi di sahretech. Pada kesempatan kali ini kita akan belajar cara menampilkan postingan blogger di aplikasi flutter. Penasaran?, ayo ikuti tutorialnya di bawah ini.

Just like WordPress, Blogger also provides APIs that we can use for various application needs. Unlike WordPress, Blogger requires authentication to be able to access its API data. But it doesn't matter, because I have prepared a tutorial reference on how to get the api key below.

Previously, I also wrote a tutorial on how to consume WordPress API in Flutter, very easily and quickly. Follow the link below https://www.porkaone.com/2023/12/creating-news-application-with.html. For those of you who don't have blogger or WordPress, just follow the tutorial material I wrote. So you can still learn even though you don't have one yet.

Apart from displaying Blogger API data. We will also use a webview to display all the data. Please scroll to the bottom of this article to see the final results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

How to Create a News Application from the Blogger API in Flutter

1. First, you must have an API key by registering at https://console.cloud.google.com. You can watch a tutorial on how to get an API key at the following link

2. Ok, next create a new flutter project with the name you want. Use the latest version of flutter.

3. Open the pubspec.yaml file then add http: and webview_flutter: follow the example as shown in the image below, and don't forget to save the file to download the package.

Download Package

4. Create a new file in the lib folder with the name blog_model.dart. Follow the script as below.



class Blog {
  final String title;
  final String content;
  final String url; 

  Blog({
    required this.title, 
    required this.content, 
    required this.url
  });

  factory Blog.fromJson(Map<String, dynamic> json) {
    return Blog(
      title: json['title'],
      content: json['content'],
      url: json['url']
    );
  }
}

5. Buat sebuah file baru di dalam folder lib dengan nama blogger_api.dart. Ikuti scriptnya di bawah ini.



  import 'dart:convert';
  import 'package:http/http.dart' as http;
  
  import 'blog_model.dart';
  
  class WordPressAPI {
  
    Future<List<Blog>> fetchNews() async {
      
      //isi key dengan google api key kalian masing-masing
      final response = await http.get(Uri.parse('https://www.googleapis.com/blogger/v3/blogs/8111507943178419750/posts?key='));
      if (response.statusCode == 200) {
        final List<dynamic> jsonResponse = jsonDecode(response.body)['items'];
        return jsonResponse.map((data) => Blog.fromJson(data)).toList();
      } else {
        throw Exception('Failed to load blog');
      }
    }
  }

Important explanations to read:

8111507943178419750 is the Blogger ID. You can use anyone's Blogger ID, if you don't have a blogger, just use my Blogger ID.
key= don't forget to fill it in with the Google API key that you got previously.
The other script doesn't have much explanation, because I've discussed it in another article.
You can access the URL complete with the key directly in the browser. The results can be seen as below.

6. Create a new file in the lib folder with the name detail.dart. Follow the script below.



  import 'package:flutter/material.dart';
  import 'package:webview_flutter/webview_flutter.dart';
  
  class Detail extends StatefulWidget {
    final String url;
  
    Detail({required this.url});
  
    @override
    State<Detail> createState() => _DetailState();
  }
  
  class _DetailState extends State<Detail> {
    @override
    Widget build(BuildContext context) {
  
      //must use http, if you use https then the data cannot be displayed
      final String modifiedUrl =
          this.widget.url.replaceFirst('http://', 'https://');
  
      final controller = WebViewController()
        ..setJavaScriptMode(JavaScriptMode.unrestricted) //turn on javascript
        ..loadRequest(Uri.parse(modifiedUrl)); //load the destination url
  
      return Scaffold(
        appBar: AppBar(
          title: Text('Detail'),
        ),
        body: WebViewWidget(
          controller: controller,
        ),
      );
    }
  }

7. Open lib/main.dart. Replace with the script below.



import 'package:flutter/material.dart';
  import 'blogger_api.dart';
  import 'blog_model.dart';
  import 'detail.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Blogger API News',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: BlogScreen(),
      );
    }
  }
  
  class BlogScreen extends StatefulWidget {
    @override
    _BlogScreenState createState() => _BlogScreenState();
  }
  
  class _BlogScreenState extends State<BlogScreen> {
    late Future<List<Blog>> futureNews;
  
    @override
    void initState() {
      super.initState();
      futureNews = WordPressAPI().fetchNews();
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('WordPress News'),
        ),
        body: Center(
          child: FutureBuilder<List<Blog>>(
            future: futureNews,
            builder: (context, snapshot) {
              if (snapshot.hasData) {
                return ListView.builder(
                  itemCount: snapshot.data!.length,
                  itemBuilder: (context, index) {
                    final news = snapshot.data![index];
  
                    //in blogger, main image from content
                    //so we need to separate the image from its content
                    
                    var content = news.content;
                    var regex = RegExp(r'src=\"(https:\/\/blogger\.googleusercontent\.com\/img\/[^\"]+)\"');
                    var match = regex.firstMatch(content);
                    var image = match != null
                        ? match.group(1)
                        : 'https://cdn.pixabay.com/photo/2017/09/25/14/23/mountains-2785261_960_720.jpg';
  
                    return ListTile(
                      contentPadding:
                          EdgeInsets.only(top: 16, left: 16, right: 16),
                      title: Text(
                        news.title,
                        maxLines: 3,
                        overflow: TextOverflow.ellipsis,
                        style: TextStyle(fontSize: 14),
                      ),
                      leading: Image.network(
                        image!,
                        fit: BoxFit.cover,
                        width: 100,
                      ),
                      trailing: IconButton(
                        onPressed: () {
                          Navigator.push(
                              context,

                              MaterialPageRoute(
                                builder: (context) => Detail(
                                  url: news.url
                                ),
                              ),
                            );
                        },
                        icon: Icon(
                          Icons.open_in_new,
                        ),
                      ),
                    );
                  },
                );
              } else if (snapshot.hasError) {
                return Text('${snapshot.error}');
              }
              return CircularProgressIndicator();
            },
          ),
        ),
      );
    }
  }

Now we can do a test run. Please run the emulator. If successful, the display will look more or less like the image below.

That's the tutorial on how to create a news application from Blogger Api in Flutter. Hopefully this short tutorial is useful. If there are any problems, please write in the comments column below. That's all and receive a salary.

Creating a News Application with the WordPress API

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 23:09:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a news application that displays API data from WordPress. Are you curious? Come on, follow the tutorial below.

WordPress provides APIs that we can process for various application needs. https://domain.com/wp-json/wp/v2/posts is an endpoint for getting news from a website that uses WordPress. No need for authentication, we can easily process the data. In this tutorial we will create a news application that displays news from the hipwee.com website. Please scroll to the bottom of this article to see the final results.

Creating a News Application with the WordPress API

1. Create a new flutter project with the name you want. Use the latest version of flutter or flutter that supports null safety.

2. Open pubspec.yaml. Then add http: and flutter_widget_from_html_core: as in the example below.

Add Package

3. Then create a new file in the lib folder with the name news_model.dart as the data model. Follow the script as below.



class News {
  final String title;
  final String content;
  final String imageUrl;

  News({required this.title, required this.content, required this.imageUrl});

  factory News.fromJson(Map<String, dynamic> json) {
    return News(
      title: json['title']['rendered'],
      content: json['content']['rendered'],
      imageUrl: json['featured_media'] != 0
          ? json['_embedded']['wp:featuredmedia'][0]['source_url']
          : '',
    );
  }
}

4. Then create a new file in the lib folder with the name wordpress_api.dart. This file functions to win api data from WordPress. Follow the script below.



  import 'dart:convert';
  import 'package:http/http.dart' as http;
  
  import 'news_model.dart';
  
  class WordPressAPI {
  
    Future<List<News>> fetchNews() async {
      final response = await http.get(Uri.parse('https://hipwee.com/wp-json/wp/v2/posts?_embed'));
      if (response.statusCode == 200) {
        final List<dynamic> jsonResponse = jsonDecode(response.body);
        return jsonResponse.map((data) => News.fromJson(data)).toList();
      } else {
        throw Exception('Failed to load news');
      }
    }
  }

5. Create a new file in the lib folder with the name detail.dart. This file functions to display news details. Follow the script below.



  import 'package:flutter/material.dart';
  import 'package:flutter_widget_from_html_core/flutter_widget_from_html_core.dart';
  
  class Detail extends StatelessWidget {
    final String title;
    final String content;
    final String image;
    final VoidCallback? onPressed;
  
    Detail({required this.title, required this.content, required this.image, this.onPressed});
  
    @override
    Widget build(BuildContext context) {
  
      //menghilangkan text 'data' pada 'data-src' ini biasa terdapat pada <img>
      String modifiedHtmlString = this.content.replaceAll('data-src', 'src');
  
      return Scaffold(
        appBar: AppBar(
          title: Text('Detail'),
        ),
        body: ListView(
          padding: EdgeInsets.zero,
          children: [
            Container(
              width: double.infinity,
              height: MediaQuery.of(context).size.height * 0.33,
              decoration: BoxDecoration(
                // color: Colors.grey[400],
                image: DecorationImage(
                  image: NetworkImage(this.image),
                  fit: BoxFit.cover,
                ),
              ),
            ),
            SizedBox(
              height: 10,
            ),
            Padding(
              padding: EdgeInsets.only(left: 16, right: 16, top: 5, bottom: 16),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    this.title,
                    style: TextStyle(
                      fontSize: 22,
                      fontWeight: FontWeight.w400,
                    ),
                  ),
                  SizedBox(
                    height: 20,
                  ),
                  HtmlWidget(
                    modifiedHtmlString //html text is converted into readable text
                  ),
                ],
              ),
            )
          ],
        ),
      );
    }
  }

6. Open lib/main.dart than follow the script below



import 'package:flutter/material.dart';
  import 'detail.dart';
  import 'wordpress_api.dart';
  import 'news_model.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'WordPress News',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: NewsScreen(),
      );
    }
  }
  
  class NewsScreen extends StatefulWidget {
    @override
    _NewsScreenState createState() => _NewsScreenState();
  }
  
  class _NewsScreenState extends State<NewsScreen> {
    late Future<List<News>> futureNews;
  
    @override
    void initState() {
      super.initState();
      futureNews = WordPressAPI().fetchNews();
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text('WordPress News'),
        ),
        body: Center(
          child: FutureBuilder<List<News>>(
            future: futureNews,
            builder: (context, snapshot) {
              if (snapshot.hasData) {
                return ListView.builder(
                  itemCount: snapshot.data!.length,
                  itemBuilder: (context, index) {
                    final news = snapshot.data![index];
                    return ListTile(
                      contentPadding:
                          EdgeInsets.only(top: 16, left: 16, right: 16),
                      title: Text(
                        news.title,
                        maxLines: 2,
                        overflow: TextOverflow.ellipsis,
                      ),
                      leading: news.imageUrl != ''
                          ? Image.network(
                              news.imageUrl,
                              fit: BoxFit.cover,
                              width: 80,
                              height: 80,
                            )
                          : Container(),
                      trailing: IconButton(
                        onPressed: () {
                          Navigator.push(
                            context,
                            // DetailPage is the destination page
                            MaterialPageRoute(
                              builder: (context) => Detail(
                                title: news.title,
                                content: news.content,
                                image: news.imageUrl,
                              ),
                            ),
                          );
                        },
                        icon: Icon(
                          Icons.open_in_new,
                        ),
                      ),
                    );
                  },
                );
              } else if (snapshot.hasError) {
                return Text('${snapshot.error}');
              }
              return CircularProgressIndicator();
            },
          ),
        ),
      );
    }
  }

Now we do a test. Run the emulator. If successful, the display will look like the image below.

It's easy, isn't it? Now you can create a news application with news sourced from WordPress. You can add other news choices by using different website sources. The conditions must be WordPress and the API can be accessed. Also improvise by adding other widgets and state management to your application.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

That's the tutorial on how to create a news application using the WordPress API. Hopefully this short tutorial is useful. If you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Using the State Management Provider in the Todo List Flutter Application

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 14:05:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn flutter state management with the provider. The case study is the Todolist application. Are you curious? Let's follow the tutorial below.

Provider is a state management library that is very easy to learn. State management is a way to manage the state of each widget in the application. If you use stateful then all widgets will be updated, no matter whether they have changes or not. Meanwhile, if you use state management, only certain widgets will have their state updated. This way the application performance is much better.

On this occasion we will create a Todolist application. There is an add button at the bottom which then displays a popup dialog containing a form. If saved, it will be displayed in list form. Scroll to the bottom of the screen to see the results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

Using the State Management Provider in the Todo List Flutter Application

1. Create a new flutter project with the name you want. Use the latest version of flutter or flutter that supports null safety.

2. Open pubspec.yaml then add provider: in it. See example below.

Add Package

3. Create a new file in the lib folder with the name todo_model.dart. Follow the script below.



  import 'package:flutter/foundation.dart';

  class TodoModel extends ChangeNotifier {
    List<String> todos = []; // Create a todo list as a data source
  
    // Method for adding a new todo
    void addTodo(String todo) {
      todos.add(todo);
      notifyListeners(); //Notify the application that a change occurred
    }
  
    // Method to delete todo
    void removeTodo(String todo) {
      todos.remove(todo);
      notifyListeners(); //Notify the application that a change occurred
    }
  }

4. Open the lib/main.dart file then replace it with the script below.


 
  import 'package:flutter/material.dart';
  import 'package:provider/provider.dart';
  
  import 'todo_model.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return ChangeNotifierProvider(
        create: (context) => TodoModel(),
        child: MaterialApp(
          title: 'My Todo App',
          home: TodoListScreen(),
        ),
      );
    }
  }
  
  class TodoListScreen extends StatelessWidget {
    final TextEditingController _todoController = TextEditingController();
  
    @override
    Widget build(BuildContext context) {
      final todoModel = Provider.of<TodoModel>(context); // Access TodoModel model data from Provider
  
      return Scaffold(
        appBar: AppBar(
          title: Text('Todo List'), // Displays the title on the AppBar
        ),
        body: ListView.builder(
          itemCount: todoModel.todos.length, // Counts the number of items in the todos list
          itemBuilder: (context, index) {
            final todo = todoModel.todos[index]; // Retrieve todo by index
            return ListTile(
              title: Text(todo), // Displays the todo text as the ListTile title
              trailing: IconButton(
                icon: Icon(Icons.delete), // Displays a delete icon in the trailing part of the ListTile
                onPressed: () {
                  todoModel.removeTodo(todo); // Delete a todo when the delete key is pressed
                },
              ),
            );
          },
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () {
            //show dialog popup
            showDialog(
              context: context,
              builder: (BuildContext context) {
                return AlertDialog(
                  title: Text('Add Todo'), // Displays the title of the AlertDialog dialog
                  content: TextField(
                    controller: _todoController, // Connect TextEditingController with TextField
                    decoration: InputDecoration(labelText: 'Todo'), // Displays the "Todo" label on the TextField
                  ),
                  actions: [
                    TextButton(
                      child: Text('Cancel'), // Displays the text "Cancel" on the TextButton button
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                    ),
                    TextButton(
                      child: Text('Add'),
                      onPressed: () {
                        final newTodo = _todoController.text;
                        if (newTodo.isNotEmpty) {
                          todoModel.addTodo(newTodo);
                        }
                        _todoController.clear(); // Clears the input value in the TextEditingController
                        Navigator.of(context).pop(); // Closes the dialog after adding a todo
                      },
                    ),
                  ],
                );
              },
            );
          },
          child: Icon(Icons.add), // Displays the add icon on the FloatingActionButton button
        ),
      );
    }
  }

We have done all the steps, it's time to test it. Please run the emulator and if successful, the display will look like the image below.

Easy, right? Now you can use the provider to improve application performance.

That's the tutorial on how to use the state management provider in the Flutter todo list application. Hopefully this short tutorial is useful. If you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Creating State Management Flutter with Provider

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 13:41:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to create a Flutter application with a state management provider. Come on, follow the tutorial below.

Provider is a flutter package or library that is quite well-known and easy to use. Provider is very suitable for those of you who are just learning state management in Flutter. A little information, one of the benefits of state management is to increase application performance. State management is more efficient than stateful, because state management only changes the state of certain widgets and not all of them.

On this occasion we will learn how to use state management in counter applications. The counter application is the first application created when you create a Flutter project. We will modify it to use state management. Scroll to the bottom of this article to see the final results.

Creating State Management Flutter with Provider

1. Create a new flutter project with a free name. Use the latest version of flutter or flutter that supports null safety.

2. Open pubspec.yaml then add provider: then save the file to download the package. Follow the picture as below.

Add package

3. Create a counter_controller.dart file in the lib folder. We use this file as a data controller for the numbers.



import 'package:flutter/foundation.dart';

  class CounterController with ChangeNotifier{
  
    int count = 0;
  
    void increment(){
  
      count++;
      notifyListeners();
      
    }
  
  }

Explanation of the script above

Import Package: In this section, we import the flutter/foundation.dart package which contains the ChangeNotifier class. This package is required to use state management with providers.
CounterController Class: CounterController is a class that implements state management using providers. This class uses the ChangeNotifier mixin, which allows the class to send notifications to widgets that use the state about state changes.
The increment() method is responsible for increasing the count value and then calling notifyListeners(). This method will be called when we want to increase the counter value. In this section, the count will be incremented by 1, and then notifyListeners() will be called to notify the widgets that use this state that a change has occurred in the state. This will trigger an update to the display of the widget that uses that state.

4. Open the lib/main.dart file then change the script in it with the script below.



  import 'package:flutter/material.dart';
  import 'package:provider/provider.dart';
  import 'counter_controller.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return ChangeNotifierProvider(
        create: (context) => CounterController(),
        child: MaterialApp(
          title: 'Counter App',
          home: CounterScreen(),
        ),
      );
    }
  }
  
  class CounterScreen extends StatelessWidget {
    const CounterScreen({super.key});
  
    @override
    Widget build(BuildContext context) {
      final counterController = Provider.of<CounterController>(context);
  
      return Scaffold(
        appBar: AppBar(
          title: Text('Counter App'),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                'Count:',
                style: TextStyle(fontSize: 20),
              ),
              Text(
                '${counterController.count}',
                style: TextStyle(fontSize: 30, fontWeight: FontWeight.bold),
              ),
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () {
            counterController.increment();
          },
          child: Icon(Icons.add),
        ),
      );
    }
  }

Explanation of the script above

By using ChangeNotifierProvider, we can easily access and manage the state in various widgets under it.
Final function counterController = Provider.of<CounterController>(context); used to access the instance of CounterController provided by ChangeNotifierProvider inside the Flutter widget.

5. Ok, now we can do a test run. Please run your emulator. If successful, the display will look like the image below.

Easy, right? Because we already use state management, we don't need to use stateful anymore. You can improvise by creating a more complex flutter application with the provider.

Ok, that's it for the tutorial on making state management flutter with providers. Hopefully this short tutorial is useful. If you have any questions, please ask directly in the comments column below. That's all and receive a salary.

Tutorial on How to Set Up Firebase and Flutter

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 09:43:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to connect a Flutter project with Google Firebase. Are you curious? Come on, follow the tutorial below.

Google Firebase

Firebase is one of the services provided by Google to help developers quickly provide tools or environments such as databases, user authentication, real-time storage, file storage, data analysis, push notifications and other services.

Firebase is a quick solution for those of you who are lazy about creating a backend or don't know how to backend and its server environment. Firebase can be used for web and mobile application development. In this article we will discuss how to connect Flutter with Firebase. This article is also the beginning or requirements for developing Flutter applications with Firebase.

How to Connect Firebase to Flutter Project

1. Access firebase at https://firebase.google.com. Then click the get started button

Make Firebase Project

2. Klik add project

Make Firebase Project

3. Next, fill in the project name, then click continue

4. In the next step, you can activate the Google Analytics feature for the project or deactivate it. All you have to do is switch the enable Google Analytics button for this project. Then click the create project button.

5. Ok, after the project has been created. Then you will be directed to the dashboard page. Click the Android icon to add the application.

6. Ok, next we will start setting up or configuring the Flutter application. First, we fill in the app registration first. Fill in the Android Package Name, App Nick Name, and SHA-1 as shown in the image below. How do I fill it in? Follow the next steps.

Android Package Name you can find in folder android/app/build.gradle

android package name
App Nick Name used as the name or nickname of the application so that it is easy to remember
Debug signing certificate SHA-1 you can find in folder android. And than open cmd or terminal and run this command .\gradlew SigInReport

SHA-1

7. Next, download google-services.json and add the file to the flutter project.

Mengunduh file google-service.json

8. Open android/app then add the google-services.json file in it. Follow the example as shown in the image below.

Add file google-services.json

9. Next, in this section we just click next. We will add the firebase SDK manually to the flutter project.

add Firebase SDK

10. Next, click continue to console. to complete the configuration.

Project Firebase Siap

11. Ok, now open your flutter project again. Go to android/build.gradle then add the classpath 'com.google.gms:google-services:4.3.15' in the red box below into dependencies as shown in the image below.

Add Plugin into Depedencies

12. Next, open android/app/build.gradle, add this script at the very top of the file.

13. Still in android/app/build.gradle, then also add the script in the red box below.

Add depedencies

14. Open pubspec.yaml then add cloud_firestore: and firebase_core:. Follow the picture as below.

Add package

So far, we have successfully added the flutter project to firebase. Actually there is an easier way, namely using the Firebase CLI. I will discuss the tutorial another time, God willing.

Here's a tutorial on how to set up Firebase and Flutter projects. Hopefully this tutorial is useful, if you have any questions, please ask directly in the comments column below. That's all and receive a salary.

How to Display Youtube Videos from Youtube API in Flutter

noreply@blogger.com (sahretech) — Sat, 23 Dec 2023 08:52:00 +0000

Hello everyone, welcome back at porkaone. On this occasion we will learn how to use the YouTube API and display it in Flutter. Are you curious? Come on, follow the tutorial below.

In the previous tutorial, I discussed how to display YouTube videos using static data written in flutter files, this article was written in Indonesian https://www.sahretech.com/2023/06/mudah-membuat-dan-menampilkan-video.html.

Just by using static data, the application we create is not dynamic. In our tutorial this time, we will try to use data from the YouTube API. Every time the application is run, the video will be updated according to data from the YouTube API. Please scroll to the bottom of this article to see the final results.

Read Another Article ✨

📰 1. How to Create a Select Dropdown with API in Flutter read more

📰 2. How to Create a Select Input Dropdown in Flutter read more

📰 3. How to Make a QR Code Scanner in Flutter ENV read more

📰 4. How to Display Youtube Videos in Flutter read more

How to Display Youtube Videos from Youtube API in Flutter

1. First, you have to get a YouTube Api key to be able to access data from YouTube Api. Please follow the tutorial on how to get the YouTube API key below https://www.porkaone.com/2023/12/how-to-get-youtube-api-key.html

2. Ok, next create a new flutter project with the name you want. And use the latest version of flutter.

3. Open pubspec.yaml then add the http: and youtube_player_flutter: packages, follow the example as shown in the image below. And don't forget to save the file to download the package.

Add Package

4. Create a video.dart file in the lib folder. This file is used as a video data model. Follow the script below



class Video {
  final String id;
  final String title;
  final String thumbnail;
  final String channelTitle;

  Video({required this.id, required this.title, required this.thumbnail, required this.channelTitle});

  factory Video.fromJson(Map<String, dynamic> json) {
    return Video(
      id: json['id']['videoId'] ?? '',
      title: json['snippet']['title'] ?? '',
      thumbnail: json['snippet']['thumbnails']['high']['url'] ?? '',
      channelTitle: json['snippet']['channelTitle'] ?? ''
    );
  }
}

5. Create the youtube_api_service.dart file in the lib folder. And don't forget to change YOUR_API_KEY in the script below according to your respective api key. Follow the script below



  import 'dart:convert';
  import 'package:http/http.dart' as http;
  import 'video.dart';
  
  class YouTubeApiService {
  
    Future<List<Video>> getVideos() async {
      final url = 'https://www.googleapis.com/youtube/v3/search'
          '?part=snippet'
          '&maxResults=10'
          '&q=flutter+tutorial'
          '&type=video'
          '&key=YOUR_API_KEY';
  
      final response = await http.get(Uri.parse(url));
  
      if (response.statusCode == 200) {
        final jsonData = json.decode(response.body);
        final videoList = jsonData['items'] as List<dynamic>;
  
        return videoList.map((item) => Video.fromJson(item)).toList();
      } else {
        throw Exception('Failed to load videos');
      }
    }
  }

Explanation:

We can use this YoutubeAPIService class for all files that require YouTube data.
getVideos() is a method for retrieving YouTube data. The return is in the form of a list with the Video model
final url we use this url as the endpoint. There are several parameters that you can set. maxResults= is used to display the number of videos. q= is the query or video we want to search for, you can adjust it according to what you want. Here I am looking for a flutter tutorial. type= This parameter is used to choose whether to display videos or channels.
key= fill in the api key that you got from the Google console.

If the settings are correct then the data can be displayed. If the settings are wrong then it will run an error message throw Exception('Failed to load videos'). If an error occurs, please consult in the comments column below.

6. Create a detail.dart file in the lib folder. Follow the script below.



  import 'package:flutter/material.dart';
  import 'package:youtube_player_flutter/youtube_player_flutter.dart';
  
  import 'video.dart';
  import 'youtube_api_service.dart';
  
  class Detail extends StatefulWidget {
    final String videoId;
    final String title;
  
    Detail({
      required this.videoId,
      required this.title,
    });
  
    @override
    State<Detail> createState() => _DetailState();
  }
  
  class _DetailState extends State<Detail> {
    late YoutubePlayerController _controller;
  
    @override
    void initState() {
      super.initState();
      _controller = YoutubePlayerController(
        initialVideoId: YoutubePlayer.convertUrlToId(
            'https://www.youtube.com/watch?v=' + widget.videoId)!,
        flags: const YoutubePlayerFlags(
          autoPlay: false,
          mute: false,
        ),
      );
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: const Text('Video Detail'),
        ),
        body: ListView(
          children: [
            YoutubePlayer(
              controller: _controller,
              showVideoProgressIndicator: true,
              progressIndicatorColor: Colors.blueAccent,
            ),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Container(
                        width: 35,
                        height: 35,
                        decoration: const BoxDecoration(
                          borderRadius: BorderRadius.all(Radius.circular(20)),
                          image: DecorationImage(
                            fit: BoxFit.cover,
                            image: NetworkImage(
                              'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                            ),
                          ),
                        ),
                      ),
                      const SizedBox(
                        width: 10,
                      ),
                      Expanded(
                        child: Text(
                          widget.title,
                          style: const TextStyle(
                              fontSize: 18, fontWeight: FontWeight.w400),
                          maxLines: 2,
                          overflow: TextOverflow.ellipsis,
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(
                    height: 20,
                  ),
                  const Text(
                    'See Other Videos',
                    style: TextStyle(fontSize: 18, fontWeight: FontWeight.w500),
                  ),
                  const SizedBox(
                    height: 15,
                  ),
                  FutureBuilder<List<Video>>(
                    future: YouTubeApiService().getVideos(),
                    builder: (context, snapshot) {
                      if (snapshot.connectionState == ConnectionState.waiting) {
                        return Center(
                          child: CircularProgressIndicator(),
                        );
                      } else if (snapshot.hasData) {
                        final videos = snapshot.data!;
                        return ListView.builder(
                          padding: EdgeInsets.zero,
                          shrinkWrap: true,
                          physics: const NeverScrollableScrollPhysics(),
                          itemCount: videos.length,
                          itemBuilder: (context, index) {
                            final video = videos[index];
                            return Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              mainAxisAlignment: MainAxisAlignment.start,
                              children: [
                                InkWell(
                                  onTap: () => {
                                    Navigator.push(
                                      context,
                                      MaterialPageRoute(
                                        builder: (context) => Detail(
                                          videoId: video.id,
                                          title: video.title,
                                        ),
                                      ),
                                    )
                                  },
                                  child: ListTile(
                                    contentPadding: EdgeInsets.zero,
                                    leading: Image.network(
                                      video.thumbnail,
                                      fit: BoxFit.cover,
                                      width: 120,
                                    ),
                                    title: Text(
                                      video.title,
                                      maxLines: 2,
                                      overflow: TextOverflow.ellipsis,
                                    ),
                                  ),
                                ),
                                const SizedBox(
                                  height: 8,
                                ),
                              ],
                            );
                          },
                        );
                      } else if (snapshot.hasError) {
                        return Center(
                          child: Text('Error: ${snapshot.error}'),
                        );
                      } else {
                        return Center(
                          child: Text('Failed to load videos'),
                        );
                      }
                    },
                  ),
                ],
              ),
            )
          ],
        ),
      );
    }
  }

7. Buat file main.dart di dalam folder lib. Ikuti script di bawah ini.



import 'package:flutter/material.dart';
  import 'youtube_api_service.dart';
  import 'detail.dart';
  import 'dart:convert';
  import 'package:http/http.dart' as http;
  import 'video.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatefulWidget {
    @override
    State<MyApp> createState() => _MyAppState();
  }
  
  class _MyAppState extends State<MyApp> {
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        home: Scaffold(
          appBar: AppBar(
            title: Text('YouTube Videos'),
          ),
          body: FutureBuilder<List<Video>>(
            future: YouTubeApiService().getVideos(),
            builder: (context, snapshot) {
              if (snapshot.connectionState == ConnectionState.waiting) {
                return Center(
                  child: CircularProgressIndicator(),
                );
              } else if (snapshot.hasData) {
                final videos = snapshot.data!;
                return ListView.builder(
                  itemCount: videos.length,
                  itemBuilder: (context, index) {
                    final video = videos[index];
                    return InkWell(
                      onTap: () {
                        Navigator.push(
                          context,
                          MaterialPageRoute(
                            builder: (context) => Detail(
                              videoId: video.id,
                              title: video.title,
                            ),
                          ),
                        );
                      },
                      child: Container(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Image.network(
                              video.thumbnail,
                              width: double.infinity,
                              height: 160,
                              fit: BoxFit.cover,
                            ),
                            const SizedBox(
                              height: 5,
                            ),
                            Padding(
                              padding: EdgeInsets.all(8),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                children: [
                                  Container(
                                    width: 45,
                                    height: 45,
                                    decoration: const BoxDecoration(
                                      borderRadius:
                                          BorderRadius.all(Radius.circular(20)),
                                      image: DecorationImage(
                                        fit: BoxFit.cover,
                                        image: NetworkImage(
                                          'https://cdn.pixabay.com/photo/2016/11/18/23/38/child-1837375_640.png',
                                        ),
                                      ),
                                    ),
                                  ),
                                  const SizedBox(
                                    width: 10,
                                  ),
                                  Expanded(
                                    child: Column(
                                      crossAxisAlignment: CrossAxisAlignment.start,
                                      children: [
                                        Text(
                                          video.title,
                                          style: const TextStyle(
                                            fontSize: 16,
                                          ),
                                          maxLines: 2,
                                          overflow: TextOverflow.ellipsis,
                                        ),
                                        SizedBox(height: 5,),
                                        Text(
                                          'Channel : '+video.channelTitle,
                                          style: const TextStyle(
                                            fontSize: 12,
                                          ),
                                          maxLines: 2,
                                          overflow: TextOverflow.ellipsis,
                                        ),
                                      ],
                                    ),
                                  ),
                                ],
                              ),
                            ),
                            SizedBox(height: 10,)
                          ],
                        ),
                      ),
                    );
                  },
                );
              } else if (snapshot.hasError) {
                return Center(
                  child: Text('Error: ${snapshot.error}'),
                );
              } else {
                return Center(
                  child: Text('Failed to load videos'),
                );
              }
            },
          ),
        ),
      );
    }
  }

We have done all the steps, it's time to test it. Please run the emulator and if successful, the display will look like the image below.

That's a short tutorial on how to display YouTube videos from YouTube Api in Flutter. Hopefully this short tutorial is useful. If you have any questions, please ask directly in the comments column below. That is all and thank you.