SubramanyamRaju Xamarin & Windows App Dev Tutorials

How to auto-capitalize keyboard/entry in xamarin forms

2020-10-04T23:32:00.003-07:00

Introduction:

The Keyboard class also has a Create factory method that can be used to customize a keyboard by specifying capitalization, spellcheck, and suggestion behavior

Description:

KeyboardFlags enumeration values are specified as arguments to the method, with a customized Keyboard being returned. The KeyboardFlags enumeration contains the following values:

None – no features are added to the keyboard.
CapitalizeSentence – indicates that the first letter of the first word of each entered sentence will be automatically capitalized.
Spellcheck – indicates that spellcheck will be performed on entered text.
Suggestions – indicates that word completions will be offered on entered text.
CapitalizeWord – indicates that the first letter of each word will be automatically capitalized.
CapitalizeCharacter – indicates that every character will be automatically capitalized.
CapitalizeNone – indicates that no automatic capitalization will occur.
All – indicates that spellcheck, word completions, and sentence capitalization will occur on entered text.

The following XAML code example shows how to customize the default Keyboard to offer word completions and capitalize every entered character:

<Entry Placeholder="Enter text here">  

<Entry.Keyboard>  

    <Keyboard x:FactoryMethod="Create">  

        <x:Arguments>  

            <KeyboardFlags>CapitalizeWord</KeyboardFlags>  

        </x:Arguments>  

    </Keyboard>  

</Entry.Keyboard>  

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Resolved: ScrollTo not working with grouped ListView in Xamarin.Forms

2020-04-30T05:49:00.001-07:00

Introduction:

Sometimes ListView contains a grouped ItemsSource represented by a custom model class, and we may need to scroll to first item programatically.

Description:

Let's assume 'myListView' is binding with collection object 'EmployeeList<string,Employee>' which is from HomeViewModel.

And if we want to make myListView scroll to first grouped item with
'ScrollTo (object item, object group, Xamarin.Forms.ScrollToPosition position, bool animated)' method, write below code

void ResetAtoZListScroll(object sender, EventArgs e)  

{

            if (myListView.ItemsSource != null && _homeViewModel.EmployeeList!=null)  

{

                var fisrtItem = myListView.ItemsSource.Cast<object>().FirstOrDefault();  

                myListView.ScrollTo(_homeViewModel.EmployeeList[0][0][0], _homeViewModel.EmployeeList[0], ScrollToPosition.Start, true);  

}

}

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How to get a keyboard start capital letter in Entry in xamarin.Forms (C# - Xaml)

2020-04-23T04:26:00.002-07:00

Introduction:

The Entry control defines a Keyboard property that allows an app to select the virtual keyboard that is displayed for the control. For example, a keyboard for entering a phone number should be different from a keyboard for entering an email address.

Description:

The Keyboard property is of type Keyboard. This class defines read-only properties that are appropriate for different keyboard uses:

Default
Text
Chat
Url
Email
Telephone
Numeric

In major chatting application like the first letter is always capital letter when the user touched the text field for the first time.

TxtEntry.Keyboard = Keyboard.Chat

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