RegionClickView.java 文件源码

@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    super.onSizeChanged(w, h, oldw, oldh);
    mCirclePath.addCircle(w / 2, h / 2, 300, Path.Direction.CW);
    Region globalRegion = new Region(-w, -h, w, h);
    mCircleRegion.setPath(mCirclePath, globalRegion);
}