public static IEnumerable <T> FindChildren <T>(this Xamarin.Forms.Element elem)
where T : Xamarin.Forms.Element
{
Stack <Xamarin.Forms.IElementController> elems = new Stack <Xamarin.Forms.IElementController>(10);
elems.Push(elem);
while (elems.Count != 0)
{
var e = elems.Pop();
foreach (var c in e.LogicalChildren)
{
if (c is T ret)
{
yield return(ret);
}
elems.Push(c);
}
}
}
private void InitializeFullScreenCapability()
{
Xamarin.Forms.Element view = Element;
while (view.Parent != null)
{
view = view.Parent;
if (view is Xamarin.Forms.ScrollView)
{
(view as Xamarin.Forms.ScrollView).Scrolled += delegate
{ DisplaySeekbar(false); };
hasScrollView = true;
break;
}
}
imageView = new ImageView(_context)
{
};
imageView.SetImageResource(Resource.Drawable.portrait_mode);
var lv = new RelativeLayout.LayoutParams(60, 60);
lv.SetMargins(0, 30, 30, 0);
lv.AddRule(LayoutRules.AlignParentRight);
imageView.LayoutParameters = lv;
Control.AddView(imageView);
imageView.Click += delegate
{
if (IsFullScreen)
{
ExitFullScreen();
}
else
{
FullScreen(hasScrollView);
}
};
}
public CornerRadiusOutlineProvider(Xamarin.Forms.Element element)
{
_element = element;
}