@Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.drawColor(Color.parseColor("#0097A7"));
        canvas.drawRect(mbackRectF, mbackPaint);
        canvas.drawCircle(centerX, centerY, radius, mPaint);
    }
author : engineer
e-mail : yingkongshi11@gmail.com
time   : 2017/12/10
desc   :
version: 1.0
app/src/main/java/home/smart/fly/animations/master/widget/MasterPaintView.java