getCameraDisplay.dart

Widget getCameraDisplay(){
    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;

    if(_isCameraInitialized){
      return Container(
        height: height * 0.75,
        width: width * 0.9,
        child: CameraPreview(_camera)
      );
    }
    else{
      return Center(
        child: Text(
          "The Camera is not avaliable!"
        )
      );
    }
  }