Android Tutorial #40 Animation (6\12) View, Move and add motion to your bitmap image assets
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At last! Something visually stimulating! We get around to animating a bitmap, here I show you how to increment the x y coordinates of your bitmap, draw to the new coordinates and re-start the whole process buy issuing the invalidate command and the end of your onDraw method - and in doing so, giving the awesome illusion of motion.
Very cool.