if (videoCapturer != null) { videoCapturer.switchCamera(new CameraVideoCapturer.CameraSwitchHandler() { @Override public void onCameraSwitchDone(boolean b) { Log.e(TAG, "switchCamera----->onCameraSwitchDone:" + b); } @Override public void onCameraSwitchError(String s) { Log.e(TAG, "switchCamera----->onCameraSwitchError:" + s); } }); }