public override void OnCreate()
        {
            base.OnCreate();

            floatingView = LayoutInflater.From(this).Inflate(Resource.Layout.floatingWidget,null);
            closeFloatingView = LayoutInflater.From(this).Inflate(Resource.Layout.closeWidget, null);
            closeFloatingView.Visibility = ViewStates.Invisible;

            SetTouchListener();

            closeLayoutParams = new WindowManagerLayoutParams(ViewGroup.LayoutParams.WrapContent,
                                 ViewGroup.LayoutParams.WrapContent,
                                 WindowManagerTypes.ApplicationOverlay,
                                 WindowManagerFlags.NotFocusable,
                                 Format.Translucent)
            {
                Gravity = GravityFlags.Center,
            };

            windowManager = GetSystemService(WindowService).JavaCast<IWindowManager>();
            windowManager.AddView(closeFloatingView, closeLayoutParams);

            layoutParams = new WindowManagerLayoutParams(ViewGroup.LayoutParams.WrapContent,
                                                         ViewGroup.LayoutParams.WrapContent,
                                                         WindowManagerTypes.ApplicationOverlay,
                                                         WindowManagerFlags.NotFocusable,
                                                         Format.Translucent)
            {
                Gravity = GravityFlags.Left | GravityFlags.Top
            };

            windowManager.AddView(floatingView, layoutParams);

            SetCenter();
        }