public void cancelFling() {
            if (scroller != null) {
                setState(State.NONE);
                scroller.forceFinished(true);
            }
        }
Fling launches sequential runnables which apply
the fling graphic to the image. The values for the translation
are interpolated by the Scroller.

@author Ortiz
app/src/main/java/com/rozdoum/socialcomponents/views/TouchImageView.java