AppManager.OnBackButtonTapped C# (CSharp) Method

    private void OnBackButtonTapped()
    {
        if(mActiveViewType == ViewType.ABOUTVIEW)
        {
            Application.Quit();
        }
        else if(mActiveViewType == ViewType.UIVIEW) //Hide UIMenu and Show ARCameraView
        {
            mActiveViewType = ViewType.ARCAMERAVIEW;
        }
        else if(mActiveViewType == ViewType.ARCAMERAVIEW) //if it's in ARCameraView
        {
            mActiveViewType = ViewType.ABOUTVIEW;
        }
        
    }