AddsubView.m

    func initUnity() {
        
        if let nativeWindow = self.window {
            if unityIsInitialized() {
                UnitySampleUtils.showAlert(Constants.ERRORMESSAGES.ALREADY_INIT, Constants.ERRORMESSAGES.UNLOAD_FIREST, window: nativeWindow)
                return
            }
            
            if didQuit {
                UnitySampleUtils.showAlert(Constants.ERRORMESSAGES.CANNOTBE_INITIALIZED, Constants.ERRORMESSAGES.USE_UNLOAD, window:nativeWindow)
                return
            }
            
        }
        
        
        self.unityFramework = getUnityFramework()
        
        if let unityframework = self.unityFramework {
            unityframework.setDataBundleId("com.unity3d.framework")
            unityframework.register(self)
            NSClassFromString("FrameworkLibAPI")?.registerAPIforNativeCalls(self)
            unityframework.runEmbedded(withArgc: CommandLine.argc, argv: CommandLine.unsafeArgv, appLaunchOpts: appLaunchOpts)
            
            attachUnityView()
        }
        
        
    }
    
    
    func attachUnityView() {
        
        guard let unityRootView = unityFramework?.appController()?.rootView else {
            return
        }
        
        self.unitySampleView = UnityUIView(frame: UIScreen.main.bounds)
        unityRootView.addSubview(self.unitySampleView)
        
        
    }