ColorBarActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_color_bar);

    mSurfaceView = (SurfaceView) findViewById(R.id.colorBarSurfaceView);
    mSurfaceView.getHolder().addCallback(this);
    mSurfaceView.getHolder().setFormat(PixelFormat.RGBA_8888);
}