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How to change the cursor color in Xamarin.Forms text input layout

Platform: Xamarin.Forms |
Control: SfTextInputLayout

This article explains how to customize the cursor color in Xamarin.Forms TextInputLayout based on different platforms as shown in the following steps:


Step 1: Create a custom entry control, since we do not have a direct support to achieve this requirement.



public class CustomEntry: Entry


Step 2: Add the custom entry control as InputView in the TextInputLayout.



<StackLayout Margin="10,30,10,0">
        <inputLayout:SfTextInputLayout ContainerType="Outlined" OutlineCornerRadius="8" Hint="Name">
            <local:CustomEntry />


Step 3: Create a custom renderer and set the desired color using the platform specific property.


iOS: CustomEntryRendereriOS.cs


You can change the cursor color using the TintColor property.



public class CustomEntryRendereriOS : EntryRenderer
        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
            if (Control != null)
                Control.TintColor = UIColor.Green;


Android: CustomEntryRendererAndroid.cs [C#]


Create a xml in Resources.Drawable folder as shown in the following image.

Cursor style update in Android


Then, define a shape in it.




<shape xmlns:android="http://schemas.android.com/apk/res/android"
  <solid android:color="@color/cursorcolor"></solid>
  <size android:width="2dp" />


The color for the cursor is defined in values.colors.xml.



    <color name="launcher_background">#FFFFFF</color>
    <color name="colorPrimary">#3F51B5</color>
    <color name="colorPrimaryDark">#303F9F</color>
    <color name="colorAccent">#FF4081</color>
    <color name="cursorcolor">#008000 </color>


Then, create a custom renderer in Android and add the following code to change the cursor color.


public class CustomEntryRendererAndroid : EntryRenderer
        public CustomEntryRendererAndroid(Context context) : base(context)
        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
            IntPtr IntPtrtextViewClass = JNIEnv.FindClass(typeof(TextView));
            IntPtr mCursorDrawableResProperty = JNIEnv.GetFieldID(IntPtrtextViewClass, "mCursorDrawableRes", "I");
            // my_cursor is the xml file name which we defined above
            JNIEnv.SetField(Control.Handle, mCursorDrawableResProperty, Resource.Drawable.my_cursor);







Download the complete sample here.



This customization is available only in Android and iOS.


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