Kodeco | High quality programming tutorials: iOS, Android, Swift, Kotlin, Unity, and more

Kodebits Day 7: Null-safe Length [FREE]

Fri, 17 Apr 2026 13:00:05 GMT

Use Kotlin null safety and the Elvis operator in one small function.

Getting Started with the Swift SDK for Android [FREE]

Wed, 15 Apr 2026 16:00:39 GMT

Learn how to set up the Swift SDK for Android and integrate Swift code into an Android app. This tutorial covers installation, creating a Swift library, and running Swift code on Android devices.

Kodebits Day 6: Guard Optionals [FREE]

Wed, 15 Apr 2026 13:00:56 GMT

Practice unwrapping optionals safely with guard.

Kodebits Day 5: Closure Capturing [FREE]

Mon, 13 Apr 2026 13:00:15 GMT

Values are captured by reference in closures by default in Swift.

Kodebits Day 4: Cascade Notation [FREE]

Sun, 12 Apr 2026 13:00:54 GMT

Cascades (..) allow you to make a sequence of operations on the same object.

Kodebits Day 3: Null Safety [FREE]

Fri, 10 Apr 2026 13:00:50 GMT

Kotlin’s null safety features help avoid NullPointerExceptions.

MCP Fundamentals [SUBSCRIBER]

Fri, 10 Apr 2026 00:00:00 GMT

Learn how to build real applications with the Model Context Protocol (MCP), from first principles to advanced integrations. In this course, you will start by understanding the core MCP architecture and building your first server with Python and FastMCP. You will then add Tools, Resources, and Prompts, inspect them with MCP Inspector, and move on to building custom MCP clients that can work programmatically with LLMs through the Anthropic API.

From there, you will explore advanced features such as Elicitation for human-in-the-loop workflows, Roots for filesystem security, and Sampling for client-side AI execution. Finally, you will bring everything together by building a full-stack ChatGPT App that serves a React frontend from a Python MCP backend using the OpenAI Apps SDK.

By the end of the course, you will understand how MCP hosts, clients, and servers fit together, how to design reliable tool schemas and resources, and how to ship MCP-powered experiences that work in desktop clients, custom programs, and ChatGPT.

Kodebits Day 2: Property Wrappers [FREE]

Wed, 8 Apr 2026 13:00:48 GMT

Understand how property wrappers encapsulate storage logic.

Kodebits Day 1: Optional Chaining [FREE]

Mon, 6 Apr 2026 13:00:27 GMT

Test your knowledge of Swift’s optional chaining and nil coalescing operators.

Swift Internals [SUBSCRIBER]

Mon, 23 Mar 2026 00:00:00 GMT

This book is designed for Swift developers who want to go beyond writing working code and understand how the language truly works under the hood.

It explains the mechanics of Swift’s type system, compiler behavior, memory model, and performance characteristics. Readers will also learn advanced topics like unsafe memory operations, metaprogramming, modular architecture, and linking strategies.

The goal is to help developers reason about Swift at the language, compiler, and system levels. It is ideal for Swift engineers who want to write faster, safer, and more scalable apps.

Getting Started with Android Generative AI [FREE]

Sat, 21 Mar 2026 00:00:56 GMT

Learn how to get started with generative AI in Android. This article explains Gemini models, on-device vs cloud AI, and how to choose the right AI approach for your Android app.

Context Engineering for AI [SUBSCRIBER]

Sun, 15 Mar 2026 00:00:00 GMT

Explore context engineering as the foundation for building reliable, efficient AI systems. Learn how LLMs, prompting, RAG, agents, LangChain, and LangGraph work together in real applications. Understand the AI platform ecosystem and build practical workflows to choose the right tools for real-world use cases.

Getting Started with iOS App Observability [FREE]

Wed, 4 Mar 2026 18:00:25 GMT

Ready to add AI to your iOS apps without privacy concerns or cloud dependencies? Apple Foundation Models brings powerful on-device language models to iOS 18+. This tutorial shows you how to build AI-powered apps with structured data generation, covering basic integration and advanced techniques for production-ready features.

Practical Android AI [SUBSCRIBER]

Thu, 26 Feb 2026 00:00:00 GMT

In this book, you’ll learn how to build intelligent Android applications using today’s most powerful AI and ML tools — from on-device capabilities with ML Kit and MediaPipe to cloud-powered generative models like Gemini and Firebase AI Logic. You’ll explore real-world examples that integrate text, vision, and conversational intelligence into modern Android apps.

Along the way, you’ll understand when to choose on-device vs. cloud inference, how to optimize performance, and how to design ethical, trustworthy AI experiences.

This book serves as your complete guide to mastering Android’s AI ecosystem and applying it effectively in production-ready apps.

Jetpack Compose Accessibility [SUBSCRIBER]

Fri, 20 Feb 2026 00:00:00 GMT

This module offers a hands-on guide to building inclusive and accessible Android apps using Jetpack Compose. You’ll learn how accessibility services interpret Compose UI through semantics, how to validate behavior using TalkBack and testing tools, and how to structure screens for clarity and navigation. The module also dives into building accessible custom components, comparing Layout and Canvas approaches, and enhancing complex UI with meaningful semantics and actions.

Getting Started with SwiftData in iOS 26 [FREE]

Wed, 11 Feb 2026 18:00:14 GMT

SwiftData is Apple’s modern framework for managing data in SwiftUI apps. In this article, you’ll explore the core concepts behind SwiftData in iOS 26 and learn how it fits into a modern iOS architecture.

An Introduction to Liquid Glass for iOS 26 [FREE]

Wed, 4 Feb 2026 16:00:25 GMT

Apple’s new Liquid Glass design language marks a major shift in iOS 26 UI design. Learn what Liquid Glass is, how it works across SwiftUI and UIKit, and what to watch out for when updating an existing iOS app.

RealityKit & Reality Composer Pro [SUBSCRIBER]

Wed, 4 Feb 2026 00:00:00 GMT

Learn how to create augmented reality experiences using Reality Composer Pro with RealityKit and USDz. Create 3D scenes employing models, animations, and interactions using RealityKit. Also learn how to use both RealityKit and Reality Composer Pro to create AR experiences to be added to visionOS apps. New version — checked against latest OS.

visionOS: An Introduction [SUBSCRIBER]

Tue, 16 Dec 2025 00:00:00 GMT

Now updated for visionOS 26! The Vision Pro and visionOS present a new paradigm in computing. This is the beginning of spatial computing. Users will be able to view apps floating in front of their eyes and they will be able to interact with them with taps, gestures and their hands. This learning path will survey the various types of apps that you can build for spatial computing. We’ll explore building windowed apps; running existing iOS and iPad apps in windows, creating apps with 3D elements in 3D volumes, as well as fully immersive apps, where the user is inside a completely virtual environment.

Using Apple Foundation Models to Summarize Text [FREE]

Mon, 15 Dec 2025 23:30:18 GMT

Build an on-device text summarizer using Apple Foundation Models and SwiftUI, with step-by-step guidance on availability checks and summarization.

Artificial Intelligence APIs with Python

Sat, 16 Nov 2024 00:00:00 GMT

This program is designed to equip you with the skills necessary to integrate AI services into your development workflow. It covers a wide range of topics, from basic Python programming for AI to advanced concepts like Retrieval-Augmented Generation (RAG) and AI Agents. You'll gain hands-on experience with popular AI platforms such as OpenAI, Google Gemini, and Azure AI Services.

Python for AI

Sat, 16 Nov 2024 00:00:00 GMT

Python is the lingua-franca of data science, machine learning and AI. This course will teach you enough Python, based on your pre-existing knowledge of other programming languages, so that you are well-prepared for a journey into learning AI programming. You'll discover the fundamentals of python syntax, learn how to manage programming environments, work with third-party libraries and handle file and networking operations. It is not meant to be an introduction to your first programming language, but if you have a reasonable understanding of any other programming language then this is your fast-track to proficiency in Python.

High-Level AI with Azure AI Services

Fri, 15 Nov 2024 00:00:00 GMT

This course focuses on leveraging Azure’s high-level AI services to solve real-world business problems. You'll explore pre-built solutions for Retrieval-Augmented Generation (RAG), content moderation, and other Azure AI offerings, understanding their apps and trade-offs compared to custom-built solutions.

Introduction to Cloud-based AI

Thu, 14 Nov 2024 00:00:00 GMT

This course introduces you to cloud-based AI services, focusing on text generation, image processing, and audio analysis. You'll gain hands-on experience with leading platforms such as OpenAI and Google Gemini, learning to leverage these technologies for various AI apps.

Building Integrated AI Services with LangChain & LangGraph

Tue, 12 Nov 2024 00:00:00 GMT

This course delves into advanced AI app development using LangChain and LangGraph. You'll learn to create complex AI systems, including Retrieval-Augmented Generation (RAG) and AI Agents, while gaining insights into the integration of various AI services and tools.

Apple Intelligence

Fri, 20 Sep 2024 00:00:00 GMT

Discover the multitude of ways to integrate Apple Intelligence into your apps, from creating amazing user experiences through Genmoji and deep integration with Siri, through leveraging Apple’s ML models for translation and computer vision, to building on third-party tools such as ChatGPT.

Improving User Experience with Apple Intelligence

Thu, 19 Sep 2024 00:00:00 GMT

This course equips you with the skills to leverage Apple’s latest user experience (UX) advancements within your iOS apps. You’ll explore Writing Tools, a powerful suite for enhancing text input and editing. Dive into Genmoji, a brand new tool for creating custom emoji characters, adding a layer of personalization and expression to your apps. And unlock the power of Siri and App Intents with Apple Intelligence, enabling seamless voice interaction and context-aware functionality within your creations.

Integrating 3rd-Party AI on Apple Platforms

Thu, 19 Sep 2024 00:00:00 GMT

This module explores the integration of ChatGPT into iOS apps, enabling powerful conversational AI capabilities. You'll learn to leverage the ChatGPT API to create dynamic, context-aware chatbots and intelligent assistants within their mobile apps.

Building Intelligent Apps with Apple AI Models

Wed, 18 Sep 2024 00:00:00 GMT

This course explores on-device machine learning using Apple’s powerful tools. See how simple the Vision framework makes complex computer vision tasks, enabling your app to understand the real world, through tasks like object detection and face recognition. Learn to leverage the Translation framework for on-device, real-time language translation, breaking down language barriers for your users. Before finally looking at how to develop your own machine learning models, by customizing Apple’s pre-built models for specific use cases within your apps.

Create a Multiscreen App in Android

Tue, 10 Sep 2024 00:00:00 GMT

State management is critical for developing apps. In this course, you'll learn how to listen and respond to state changes, and how to incorporate multiple screens into your app.

Android User Interface Development

Tue, 10 Sep 2024 00:00:00 GMT

This course provides a strong foundation for creating user interfaces with Jetpack Compose. It also introduces the tools required to build user interfaces such dimens, drawables, strings, and other resource files contained in the SDK.

Beginning Android & Kotlin

Tue, 10 Sep 2024 00:00:00 GMT

Jump into the exciting world of Android mobile development. In this comprehensive program, you’ll learn the foundations of writing modern Android apps from the ground up whether you are new to Android or even new to programming in general. You'll learn everything you need to know from programming in Kotlin to developing impressive user interfaces in Jetpack Compose. You’ll explore many fundamental topics such as fetching data over the internet to running code in the background. By the end of this program, you will have experienced Android development from the ground while also learning critical skills such as source control and object-orientated programming techniques.

Getting Started with SwiftUI

Thu, 20 Jun 2024 00:00:00 GMT

This course introduces the fundamental concepts of SwiftUI, Apple’s declarative user interface framework for building iOS applications. You'll delve into the world of SwiftUI, learning how to create responsive user interfaces with ease. The course covers essential topics such as views, hierarchies and navigation providing a solid foundation for developing iOS apps.

Networking & Concurrency in SwiftUI

Thu, 20 Jun 2024 00:00:00 GMT

In this course, you'll delve into the fundamentals of networking and concurrency in iOS development. You'll gain a thorough understanding of network communication protocols, asynchronous programming techniques, and best practices for building high-performance iOS apps. This course is designed for beginners who want to gain confidence in the intricacies of networking and concurrency in the context of iOS development.

Beginning iOS & Swift

Thu, 20 Jun 2024 00:00:00 GMT

The Kodeco Beginning iOS & Swift program provides a comprehensive learning experience guided by experienced industry professionals. Gain the in-demand skills you need to excel in building modern iOS apps using Apple’s revolutionary UI framework, SwiftUI.
You’ll begin with an introduction to Apple’s Swift programming language, Xcode, and version control. Once you have the fundamental concepts you will learn SwiftUI and craft captivating user interfaces. You’ll effortlessly guide users through your apps with built-in navigation tools. As the program progresses you’ll navigate your way towards the power of data management, including passing data, state management, and data persistence for dynamic apps. Take a step further with networking and performance optimization techniques, ensuring your apps run smoothly.
With the help of your mentor you can progress with confidence, ensuring you have a firm grasp of each concept. This program provides you with the tools to maximize your learning potential towards becoming a sought after iOS developer.

Sharing & State Management in SwiftUI

Thu, 20 Jun 2024 00:00:00 GMT

In this course, you will delve into the intricacies of data flow and data binding in SwiftUI, gaining an understanding of how to seamlessly transfer information between different views. You will also explore state management strategies and data persistence techniques.

Concurrency & Networking in Android

Wed, 5 Jun 2024 00:00:00 GMT

This learning path is a comprehensive overview of networking and concurrency in Kotlin. In this learning path, users will learn how to run operations in the background and communicate over the network using common libraries and data formats.

Learn the Kotlin Language

Wed, 22 May 2024 00:00:00 GMT

In this course you will learn the Kotlin programming language from the ground. It is a comprehensive overview of the language as well as an overview of best object-oriented programming practices.

Object-Oriented Programming in Kotlin

Wed, 22 May 2024 00:00:00 GMT

Learning to write code is easy, but learning to write “good” code is a different story entirely. In this course, developers will learn best practices when writing object-oriented code as well as be introduced to design patterns.

Foundational Tools in iOS

Wed, 24 Apr 2024 00:00:00 GMT

This course provides a solid foundation in Swift programming, along with hands-on experience in utilizing Xcode and Version Control tools.

Foundational Tools in Android

Wed, 10 Apr 2024 00:00:00 GMT

This course is designed as an onramp to Android development for beginners who are new to programming in general. It provides an overview of the main tools for writing Android apps: Version control with Git & GitHub, Android Studio, the Kotlin language, and Jetpack Compose.

visionOS

Wed, 27 Mar 2024 00:00:00 GMT

Craft groundbreaking 3D experiences for the future of visionOS. Master essential RealityKit concepts to build immersive worlds. Learn to create captivating scenes with animations, physics, and visual effects. Leverage Reality Composer Pro for no-code 3D development. Integrate your creations seamlessly into visionOS apps and redefine user interaction.

visionOS: Beyond the Basics

Wed, 27 Mar 2024 00:00:00 GMT

This course is for junior to mid-level iOS developers who want to learn more about visionOS. You'll learn to design apps for accessibility and use RealityKit and Reality Composer Pro to create augmented reality experiences.

Introduction to visionOS

Tue, 21 Nov 2023 00:00:00 GMT

The Vision Pro and visionOS present a new paradigm in computing. This is the beginning of spatial computing. Users will be able to view apps floating in front of their eyes and they will be able to interact with them with taps, gestures and their hands. This learning path will survey the various types of apps that you can build for spatial computing. We’ll explore building windowed apps; running existing iOS and iPad apps in windows, creating apps with 3D elements in 3D volumes, as well as fully immersive apps, where the user is inside a completely virtual environment.

Object-Oriented Programming in iOS

Tue, 17 Oct 2023 00:00:00 GMT

The Object-Oriented Programming (OOP) learning path offers a comprehensive exploration of software development principles and techniques. Covering three modules, learners will delve into foundational OOP concepts, advanced techniques, and their integration with Protocol-Oriented Programming (POP). By mastering both OOP and POP paradigms, participants will emerge ready to craft robust, adaptable software solutions that excel in the dynamic world of modern software engineering.