public boolean isFinished() {
            if (isPreGingerbread) {
                return scroller.isFinished();
            } else {
                return overScroller.isFinished();
            }
        }
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/home/smart/fly/animations/customview/gallery/TouchImageView.java