public override void OnCreate()
        {
            base.OnCreate();
            RegisterActivityLifecycleCallbacks(this);

            DIManager.InitializeContainer();
            DependencyRegisterExtension.Register(DIManager.Builder);
            DIManager.BuildContainer();
            //A great place to initialize Xamarin.Insights and Dependency Services!
        }
        protected override void OnCreate(Bundle bundle)
        {
            //TabLayoutResource = Resource.Layout.Tabbar;
            //ToolbarResource = Resource.Layout.Toolbar;

            base.OnCreate(bundle);

            DIManager.InitializeContainer();

            DIManager.BuildContainer();

            global::Xamarin.Forms.Forms.Init(this, bundle);
            LoadApplication(new App());
        }