public static void Initialize()
        {
            if (Application.platform == RuntimePlatform.Android)
            {
                if (instance == null)
                {
                    instance = new BluetoothForAndroid();
                }
                GameObject emptyObject = new GameObject();
                emptyObject.AddComponent <BluetoothBridgeForAndroid>();

                javaClass = new AndroidJavaClass(BT_CLASS_NAME);
                javaClass.CallStatic("Initialize");
                javaObject = javaClass.GetStatic <AndroidJavaObject>("btPlugin");
            }
        }
 void Start()
 {
     btForUnity = instance;
     DontDestroyOnLoad(gameObject);
     gameObject.name = "BluetoothForAndroid";
 }