SurfaceView示例代码

public class MySurfaceView extends SurfaceView implements SurfaceHolder.Callback {
    private SurfaceHolder surfaceHolder;
    private MyThread myThread;

    public MySurfaceView(Context context) {
        super(context);
        init();
    }

    public MySurfaceView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    private void init() {
        surfaceHolder = getHolder();
        surfaceHolder.addCallback(this);
    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        myThread = new MyThread(surfaceHolder);
        myThread.start();
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
        // 可以在此处处理SurfaceView尺寸变化的逻辑
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        myThread.stopThread();
    }

    private class MyThread extends Thread {
        private SurfaceHolder surfaceHolder;
        private boolean isRunning;

        public MyThread(SurfaceHolder surfaceHolder) {
            this.surfaceHolder = surfaceHolder;
            isRunning = true;
        }

        public void stopThread() {
            isRunning = false;
            try {
                join();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void run() {
            while (isRunning) {
                Canvas canvas = null;
                try {
                    canvas = surfaceHolder.lockCanvas();
                    if (canvas != null) {
                        // 在canvas上进行绘制操作
                    }
                } finally {
                    if (canvas != null) {
                        surfaceHolder.unlockCanvasAndPost(canvas);
                    }
                }
            }
        }
    }
}