public void animateToPressed() {
        scheduleSelf(opener, SystemClock.uptimeMillis() + 100);
        mRunning = true;
    }
<h1>HACK</h1>
<p>
to draw the Thumb circle.
</p>
<p>
It's special because it will stop drawing once the state is pressed/focused BUT only after a small delay.
</p>
<p>
</p>

@hide
app/src/main/java/com/duan/musicoco/view/discreteseekbar/internal/drawable/ThumbDrawable.java