public static void AnimateVisibility(bool show, View view)
{
if ((show && view.Visibility == ViewStates.Visible) || !show && view.Visibility != ViewStates.Visible)
{
return;
}
int cx = view.Width / 2;
int cy = view.Height / 2;
float radius = (float)Math.Hypot(cx, cy);
if (show)
{
Animator anim = ViewAnimationUtils.CreateCircularReveal(view, cx, cy, 0, radius);
view.Visibility = ViewStates.Visible;
anim.Start();
}
else
{
try
{
Animator anim =
ViewAnimationUtils.CreateCircularReveal(view, cx, cy, radius, 0);
anim.AnimationEnd += delegate { view.Visibility = ViewStates.Invisible; };
anim.Start();
}
catch (System.Exception)
{
view.Visibility = ViewStates.Invisible;
}
}
}
