public GestureDetector(FrameLayout v, Context c)
{
var iv = new ImageView(c);
iv.SetImageResource(Resource.Drawable.touch_100_white);
int size = (int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 50, Resources.System.DisplayMetrics);
int halfSize = size / 2;
layoutParams = new FrameLayout.LayoutParams(size, size);
iv.LayoutParameters = layoutParams;
iv.Visibility = ViewStates.Gone;
v.AddView(iv);
v.Touch += delegate(object sender, View.TouchEventArgs args)
{
float curX = args.Event.GetX();
float curY = args.Event.GetY();
layoutParams.MarginStart = (int)curX - halfSize;
layoutParams.TopMargin = (int)curY - halfSize;
iv.LayoutParameters = layoutParams;
switch (args.Event.ActionMasked)
{
case MotionEventActions.Down:
moved = false;
startX = curX;
startY = curY;
timeStart = CurrentTimeMillis();
FadeVisibility(true, iv);
//iv.Visibility = ViewStates.Visible;
break;
case MotionEventActions.Move:
moved = true;
break;
case MotionEventActions.Up:
timeEnd = CurrentTimeMillis();
/*Toast.MakeText(Application.Context,
* $"TIME: {timeEnd - timeStart}\nPIXEL: {(curX - startX) + (curY - startY)}",
* ToastLength.Short)
* .Show();*/
if (!moved)
{
OnGestureEvent?.Invoke(5);
}
else
{
OnMove(startX, startY, curX, curY, timeStart, timeEnd);
}
FadeVisibility(false, iv);
//iv.Visibility = ViewStates.Invisible;
break;
}
};
}
