SimpleCamera.java

private Camera.ErrorCallback getErrorCallback() {
     if (mErrorCallback == null) {
         mErrorCallback = new Camera.ErrorCallback() {
             @Override
             public void onError(int error, Camera camera) {
                 if (error == Camera.CAMERA_ERROR_SERVER_DIED) {
                     deinitialize();
                     initialize();
                 }
             }
         };
     }
     return mErrorCallback;
 }