the callee of EscapeThread

gistfile1.java

  public EscapeView(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.context = context;
    SurfaceHolder holder = getHolder();
    holder.addCallback(this);
    this.thread = new EscapeThread(holder, context);
  }

  @Override
  public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
  }

  @Override
  public void surfaceCreated(SurfaceHolder holder) {
    thread.setRunning(true);
    thread.run();
  }

  @Override
  public void surfaceDestroyed(SurfaceHolder holder) {
    // we have to tell thread to shut down & wait for it to finish, or else
    // it might touch the Surface after we return and explode
    boolean retry = true;
    thread.setRunning(false);
    while (retry) {
      try {
        thread.join();
        retry = false;
      } catch (InterruptedException e) {
      }
    }
  }