无法始终从Camera2Raw示例程序中获取原始文件的问题

<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED ||
    ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE);
}

CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
try {
    for (String cameraId : cameraManager.getCameraIdList()) {
        CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
        if (characteristics.get(CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES).contains(CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES_BACK_CAMERA) &&
            characteristics.get(CameraCharacteristics.SENSOR_INFO_RAW_FORMAT_LIST).length > 0) {
            // 设备支持所需功能
        }
    }
} catch (CameraAccessException e) {
    e.printStackTrace();
}

ImageReader imageReader = ImageReader.newInstance(width, height, ImageFormat.RAW_SENSOR, 2);
imageReader.setOnImageAvailableListener(new ImageReader.OnImageAvailableListener() {
    @Override
    public void onImageAvailable(ImageReader reader) {
        Image image = null;
        try {
            image = reader.acquireLatestImage();
            if (image != null) {
                // 处理RAW图像数据
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (image != null) {
                image.close();
            }
        }
    }
}, null);