Android - How to mark timestamps on a SeekBar

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Jun 25, 2015 3:11:57 PM via Website

I will be working on an app that records button presses, where I can play back that session on a SeekBar. Each event will be timestamped from the value of a Chronometer. When playing back, on each of those recorded events I will play a sound. That part shouldn't be a problem.

Now, what I would like to figure out is how I can mark the timestamps on the SeekBar by drawing red bars at the positions where each event occurred. I would like the red bars to be drawn prior to playback.

Since I haven't started this app yet, I don't have any code at this time.