Android Camera Server Died и Camera Error - 100

Я столкнулся с ошибкой 100 камеры во время тестирования моего приложения для Android, я нашел несколько тем на StackOverflow, но они были не очень полезны. Я ищу подходящее решение для исправления ошибки.

Код, который я написал:

mrec = new MediaRecorder();  // Works well

mCamera = Camera.open();
mCamera.unlock();

mrec.setCamera(mCamera);
mrec.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mrec.setAudioSource(MediaRecorder.AudioSource.MIC); 

mrec.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));

mrec.setOutputFile("/sdcard/zzzz.3gp");

mrec.prepare();
mrec.start(); 

Код для записи Камера:

protected void startRecordingVideo() throws IOException 
{
camera = Camera.open();
camera.unlock();
SimpleDateFormat timeStampFormat = new SimpleDateFormat(
        "yyyy-MM-dd-HH.mm.ss");
String fileName = "video_" + timeStampFormat.format(new Date())
        + ".3gp";
String fileURL = "/sdcard/"+fileName;
surfaceView = (SurfaceView) findViewById(R.id.surface_camera);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mrec = new MediaRecorder();

mrec.setCamera(camera);

mrec.setPreviewDisplay(surfaceHolder.getSurface());
mrec.setVideoSource(MediaRecorder.VideoSource.CAMERA);
    mrec.setAudioSource(MediaRecorder.AudioSource.MIC); 
    mrec.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_LOW));
    mrec.setPreviewDisplay(surfaceHolder.getSurface());
    mrec.setOutputFile("/sdcard/"+fileName); 

    mrec.prepare();
    mrec.start();
}

protected void stopRecordingVideo() {
mrec.stop();
mrec.release();
camera.release();
}

private void releaseMediaRecorder(){
if (mrec != null) {
    mrec.reset();   // clear recorder configuration
    mrec.release(); // release the recorder object
    mrec = null;
    camera.lock();           
  }
}

private void releaseCamera(){
if (camera != null){
    camera.release();        
    camera = null;
}
}

@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
    int height) {
// TODO Auto-generated method stub
}


@Override
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub

if (camera != null){
    Parameters params = camera.getParameters();
    camera.setParameters(params);
}
else {
    Toast.makeText(getApplicationContext(), "Camera not available!", Toast.LENGTH_LONG).show();
    finish();
}
}


@Override
public void surfaceDestroyed(SurfaceHolder holder) {
releaseMediaRecorder();
camera.stopPreview();
camera.release();


}

Вот вывод Logcat:

12-27 17:52:02.788: W/IMediaDeathNotifier(21434): media server died!
12-27 17:52:02.788: W/Camera(21434): Camera server died!
12-27 17:52:02.788: W/Camera(21434): ICamera died
12-27 17:52:03.048: E/Camera(21434): Error 100  

Ответы

/**
 * This method configures the camera with a set of defaults for brightness,
 * flash, camera mode, and picture sizes.
 */
private void setCameraDefaults()
{
    Camera.Parameters params = mCamera.getParameters();

    // Supported picture formats (all devices should support JPEG).
    List<Integer> formats = params.getSupportedPictureFormats();

    if (formats.contains(ImageFormat.JPEG))
    {
        params.setPictureFormat(ImageFormat.JPEG);
        params.setJpegQuality(100);
    }
    else
        params.setPictureFormat(PixelFormat.RGB_565);

    // Now the supported picture sizes.
    List<Size> sizes = params.getSupportedPictureSizes();
    Camera.Size size = sizes.get(sizes.size()-1);
    params.setPictureSize(size.width, size.height);

    // Set the brightness to auto.
    params.setWhiteBalance(Camera.Parameters.WHITE_BALANCE_AUTO);

    // Set the flash mode to auto.
    params.setFlashMode(Camera.Parameters.FLASH_MODE_AUTO);

    // Set the scene mode to auto.
    params.setSceneMode(Camera.Parameters.SCENE_MODE_AUTO);

    // Lastly set the focus to auto.
    params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);

    mCamera.setParameters(params);
}