Entry CreateButtonColor Effect

ClearButtonColorEffect.android.cs

public class AndroidClearButtonColorEffect : PlatformEffect
{
    private EditText _textField;

    private readonly Context _context;

    ClearButtonColorEffect _formsEffect
    {
        get
        {
            return Element.GetFormsEffect<ClearButtonColorEffect>();
        }
    }

    public AndroidClearButtonColorEffect()
    {
        _context = Xamarin.Essentials.Platform.CurrentActivity;
    }

    protected override void OnAttached()
    {
        var element = Control as EditText;

        if (element is null) return;

        _textField = element;

        var closeDrawable = GetCloseButtonDrawable() as VectorDrawable;

        if (closeDrawable is null) return;

        var buttonColor = _formsEffect.Color.ToAndroid();

        closeDrawable.SetTint(buttonColor);
    }

    private Drawable GetCloseButtonDrawable()
    {
        return ContextCompat.GetDrawable(_context, Resource.Drawable.abc_ic_clear_material);
    }

    protected override void OnDetached()
    {

    }
}

ClearButtonColorEffect.cs

 public class ClearButtonColorEffect : RoutingEffect
  {
      public Color Color { get; set; } = Color.Default;

      public ClearButtonColorEffect()
          : base ("Acme.Effects.ClearButtonColorEffect")
      {
      }
  }

ClearButtonColorEffect.ios.cs

public class iOSClearButtonColorEffect : PlatformEffect
{

    ClearButtonColorEffect _formsEffect
    {
        get
        {
            return Element.GetFormsEffect<ClearButtonColorEffect>();
        }
    }

    private static NSString _clearButtonKey = new NSString("clearButton");

    private UITextField _textField;

    protected override void OnAttached()
    {
        var element = Control as UITextField;

        if (element is null) return;

        _textField = element;

        var clearButton = _textField.ValueForKey(_clearButtonKey) as UIButton;

        if (clearButton != null)
        {
            var color = _formsEffect.Color.ToUIColor();

            var image = clearButton.ImageView.Image.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);
            clearButton.SetImage(image, UIControlState.Normal);
            clearButton.TintColor = color;
        }
    }
    
    protected override void OnDetached()
    {
        throw new NotImplementedException();
    }
}

EffectExtension.cs

public static class EffectExtension
{
    public static TEffect GetFormsEffect<TEffect>(this Element element)
        where TEffect : Effect
    {
        if (element == null)
            throw new ArgumentNullException("Forms element must not be null", nameof(element));

        var effect = element.Effects.FirstOrDefault(e => e is TEffect);

        return (TEffect)effect;
    }
}