private void updateKeyboardRange() {
        int range = mMax - mMin;
        if ((mKeyProgressIncrement == 0) || (range / mKeyProgressIncrement > 20)) {
            // It will take the user too long to change this via keys, change it
            // to something more reasonable
            mKeyProgressIncrement = Math.max(1, Math.round((float) range / 20));
        }
    }
Sets the color of the SeekBar scrubber

@param color The color the track will be changed to
caprice/ui/src/main/java/net/qiujuer/genius/ui/widget/AbsSeekBar.java