public bool OnTouch(Android.Views.View v, MotionEvent e)
{
bool retval = false;
if (e.Action == MotionEventActions.Down)
{
_view.TouchStart(new Point(e.GetX(), e.GetY()));
retval = true;
}
if (e.Action == MotionEventActions.Move)
{
_view.TouchMove(new Point(e.GetX(), e.GetY()));
retval = true;
}
if (e.Action == MotionEventActions.Cancel || e.Action == MotionEventActions.Up)
{
_view.TouchEnd(new Point(e.GetX(), e.GetY()));
retval = true;
}
if (retval)
{
v.Invalidate();
}
return(retval);
}
void UpdateIsVisible()
{
VisualElement view = _renderer.Element;
AView aview = _renderer.View;
if (view.IsVisible && aview.Visibility != ViewStates.Visible)
{
aview.Visibility = ViewStates.Visible;
}
if (!view.IsVisible && aview.Visibility != ViewStates.Gone)
{
aview.Visibility = ViewStates.Gone;
}
aview.Invalidate();
aview.RequestLayout();
}
public Animator FadeOutView(View target, long duration, Action started, Action ended)
{
var animator = RenderingHelpers.CreateValueAnimator(duration, 1f, 0f, started, ended, v => target.Invalidate());
RenderingHelpers.AnimateAlphaProperty(target, (long)(duration * 0.333), (long)(duration * 0.666), false, null, null);
return animator;
}
