Android：使用Mediaprojection连续拍摄屏幕快照，使设备无响应

Question

使用Mediaprojection和Imagereader连续捕获屏幕快照。  但这导致设备无响应。 设备停止工作，只有重启才能使其正常。

请在下面找到代码段。

日志显示连续错误- BufferQueueProducer：[ImageReader-720x1280f1m2-11316-1] dequeueBuffer：BufferQueue已被放弃

是失速装置吗？任何帮助深表感谢。

 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_screen_cast);
        screenShotBtn = findViewById(R.id.capture_screenshot);
        screenShotBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                scheduleCapture();
            }
        });

        initProc();
        initHandlerThread();

    }

    private void initHandlerThread() {
        HandlerThread handlerThread = new HandlerThread("CaptureImage");
        handlerThread.start();
        Looper looper = handlerThread.getLooper();
        mHandler = new Handler(looper);
    }

    void initProc() {
        mMediaProjectManager = (MediaProjectionManager) getSystemService(MEDIA_PROJECTION_SERVICE);

        startActivityForResult(mMediaProjectManager.createScreenCaptureIntent(),
                SCREENSHOT_INTENT_IDENTIFIER);

        WindowManager window = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
        Display display = window.getDefaultDisplay();
        metrics = new DisplayMetrics();
        display.getMetrics(metrics);
        Point size = new Point();
        display.getSize(size);

        mWidth = size.x;
        mHeight = size.y;
        mDesntiy = metrics.densityDpi;
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == SCREENSHOT_INTENT_IDENTIFIER) {
            if (resultCode == RESULT_OK) {
                mMediaProjection = mMediaProjectManager.getMediaProjection(resultCode, data);

            }
        }
    }

    void scheduleCapture() {

        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {

                captureScreen();

            }
        }, 2000);
    }


    private void captureScreen() {
        Log.d(TAG, "Take screen shot");
        Log.d(TAG, "thread > "+Thread.currentThread().getName());
        Log.d(TAG, "current thread > "+(Looper.myLooper() == Looper.getMainLooper()));
        mImageReader = ImageReader.newInstance(mWidth, mHeight, PixelFormat.RGBA_8888, 2);

        Surface surface = new Surface(new SurfaceTexture(5555));

        mMediaProjection.createVirtualDisplay("screenshot", mWidth, mHeight, mDesntiy,
                VIRTUAL_DISPLAY_FLAGS,mImageReader.getSurface()
                , null, mHandler);
        mImageReader.setOnImageAvailableListener(this, mHandler);
        scheduleCapture();
    }

    @Override
    public void onImageAvailable(ImageReader imageReader) {
        Log.d(TAG, "onImageAvailable ");
        Log.d(TAG, "thread > "+Thread.currentThread().getName());
        Log.d(TAG, "current thread > "+(Looper.myLooper() == Looper.getMainLooper()));
        Image image = imageReader.acquireLatestImage();

        final Image.Plane[] planes = image.getPlanes();
        final ByteBuffer buffer = planes[0].getBuffer();

        int pixelStride = planes[0].getPixelStride();
        int rowStride = planes[0].getRowStride();
        int rowPadding = rowStride - pixelStride * metrics.widthPixels;
        // create bitmap
        Bitmap bmp = Bitmap.createBitmap(metrics.widthPixels + (int) ((float) rowPadding /
                (float) pixelStride), metrics.heightPixels, Bitmap.Config.ARGB_8888);
        bmp.copyPixelsFromBuffer(buffer);

        image.close();
        imageReader.close();

        Bitmap realSizeBitmap = Bitmap.createBitmap(bmp, 0, 0, metrics.widthPixels, bmp.getHeight
                ());
        bmp.recycle();
        saveScreenShot(realSizeBitmap);
    }