public void setColors(int startColor, int endColor) {
        mStartColor = startColor;
        mEndColor = endColor;
    }
The two colors that will be used for the seek thumb.

@param startColor Color used for the seek thumb
@param endColor   Color used for popup indicator
app/src/main/java/com/duan/musicoco/view/discreteseekbar/internal/drawable/MarkerDrawable.java