public override void OnControlStateChanged(Button button, View.ControlStateChangedEventArgs args)
{
if (button.ControlState != ControlState.Pressed)
{
return;
}
var overlayImage = button.OverlayImage;
if (overlayImage == null)
{
return;
}
if (null == PressAnimation)
{
var keyFrames = new KeyFrames();
keyFrames.Add(0.0f, 0.0f);
AlphaFunction linear = new AlphaFunction(AlphaFunction.BuiltinFunctions.Linear);
keyFrames.Add(0.25f, 1.0f, linear);
linear.Dispose();
AlphaFunction ease = new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOut);
keyFrames.Add(1.0f, 0.0f, ease);
ease.Dispose();
PressAnimation = new Animation(600);
PressAnimation.EndAction = Animation.EndActions.StopFinal;
PressAnimation.AnimateBetween(overlayImage, "Opacity", keyFrames);
keyFrames.Dispose();
Vector3 vec = new Vector3(1, 1, 1);
AlphaFunction easeout = new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOut);
PressAnimation.AnimateTo(overlayImage, "Scale", vec, 0, 600, easeout);
vec.Dispose();
easeout.Dispose();
}
if (PressAnimation.State == Animation.States.Playing)
{
PressAnimation.Stop();
overlayImage.Hide();
}
overlayImage.Opacity = 0.0f;
overlayImage.CornerRadius = button.CornerRadius;
overlayImage.Background = button.Background;
overlayImage.Size = button.Size;
overlayImage.Scale = new Vector3(0.80f, 0.80f, 1);
overlayImage.Show();
PressAnimation.Play();
}
public override void OnControlStateChanged(Button button, View.ControlStateChangedEventArgs args)
{
LottieButtonExtension.UpdateLottieView(button, args.PreviousState, LottieView);
}
public override void OnControlStateChanged(Button button, View.ControlStateChangedEventArgs args)
{
base.OnControlStateChanged(button, args);
}
public virtual void OnControlStateChanged(Button button, View.ControlStateChangedEventArgs args)
{
}