Material Design play/pause Drawable with animation, compatible with Android 4.0+.

Why MaterialPlayPauseDrawable?

- Correct play icon that is the same as the one in Material Design Icons, not horizontally stretched.
- Robust state handling that always animates to the correct final state without visual glitch.
- Can be used flexibly as Drawable, ImageView or ImageButton.
- Drawable comes with the intrinsic size of 24dp.
- Compatible down to Android 4.0.

https://github.com/DreaminginCodeZH/MaterialPlayPauseDrawble