setupCamera.dart

Future<void> setupCamera() async {
    try{
      List<CameraDescription> cameras = await availableCameras();
      _camera = CameraController(cameras[0], ResolutionPreset.low);
      await _camera.initialize();
      if(mounted){
        setState(() {
          _isCameraInitialized = true;
        });
        _camera.startImageStream(runOnFrame);
      }
    }
    catch(e, s){
      print(e);
    }
  }