public static void AnimateBgColorChange(View clickedView, View backgroundView, View bgOverlay, int newColor)
{
var centerX = (int)(ViewCompat.GetX(clickedView) + (int)(clickedView.MeasuredWidth / 2));
var centerY = clickedView.MeasuredHeight / 2;
var finalRadius = backgroundView.Width;
backgroundView.ClearAnimation();
bgOverlay.ClearAnimation();
object animator;
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
if (!bgOverlay.IsAttachedToWindow)
{
return;
}
animator = ViewAnimationUtils.CreateCircularReveal(bgOverlay, centerX, centerY, 0, finalRadius);
}
else
{
ViewCompat.SetAlpha(bgOverlay, 0);
animator = ViewCompat.Animate(bgOverlay).Alpha(1);
}
var compat = animator as ViewPropertyAnimatorCompat;
if (compat != null)
{
compat
.SetListener(new CustomViewPropertyAnimatorListenerAdapter(backgroundView, newColor, bgOverlay))
.Start();
}
else if (animator != null)
{
((Animator)animator).AddListener(new CustomAnimatorListenerAdapter(backgroundView, newColor, bgOverlay));
((Animator)animator).Start();
}
bgOverlay.SetBackgroundColor(new Color(newColor));
bgOverlay.Visibility = ViewStates.Visible;
}