@Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            if (doubleTapListener != null) {
                return doubleTapListener.onSingleTapConfirmed(e);
            }
            return performClick();
        }
Gesture Listener detects a single click or long click and passes that on
to the view's listener.

@author Ortiz
app/src/main/java/home/smart/fly/animations/customview/gallery/TouchImageView.java