@Override
    void doDraw(Canvas canvas, Paint paint) {
        if (!mPath.isEmpty()) {
            paint.setStyle(Paint.Style.FILL);
            int color = blendColors(mStartColor, mEndColor, mCurrentScale);
            paint.setColor(color);
            canvas.drawPath(mPath, paint);
        }
    }
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