Hi, I'm developing a metronome application as a training exercise. I show metronome beats changing the image (alternating a small gray and green circle) of an ImageView posting a message to the main thread from a worker thread. My questions: 1. is this a good solution or can you suggest me a better way to implement this (like calling invalidate and putting the code within ondraw)? 2. do you see any performance issues (I don't have a phone to test it) changing images at, let's say, maximum 10 Hz? Should I move to use openGL ES?
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