Challenge: Playback Speed Control
In this challenge, you will add playback speed control to BeatBox to greatly expand the user’s repertoire of possible sounds (Figure 20.8). Within MainActivity, wire up a SeekBar to control the rate value SoundPool’s play(Int, Float, Float, Int, Int, Float) function accepts.
Figure 20.8 BeatBox with playback speed control
To make this happen, check out the docs at developer.android.com/reference/android/widget/SeekBar.html.
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