C# RecyclerView.SetItemAnimator方法代码示例

		protected override void OnCreate (Bundle bundle)
		{
			base.OnCreate (bundle);
			SetContentView (Resource.Layout.activity_recycler_view_add_remove);
			ActionBar.SetDisplayHomeAsUpEnabled (true);
			ActionBar.SetDisplayShowHomeEnabled (true);
			ActionBar.SetIcon (Android.Resource.Color.Transparent);

			recyclerView = FindViewById<RecyclerView> (Resource.Id.recycler_view);
			recyclerView.HasFixedSize = true;


			layoutManager = new LinearLayoutManager (this);
			recyclerView.SetLayoutManager (layoutManager);

			adapter = new RecyclerAdapter (new List<RecyclerItem>());
			recyclerView.SetAdapter (adapter);
			recyclerView.SetItemAnimator (new DefaultItemAnimator ());

			FindViewById<Button>(Resource.Id.add).Click += (sender, e) => {
				adapter.Add(new RecyclerItem { Title = "New Item: " + adapter.ItemCount });
			};

			adapter.OnItemClick = (view, item) => {
				adapter.Remove(adapter.Items.IndexOf(item));
			};
		}

		protected override void OnCreate (Bundle savedInstanceState)
		{
			base.OnCreate (savedInstanceState);
			SetContentView (Resource.Layout.recyclerview);

			recyclerView = FindViewById<RecyclerView> (Resource.Id.recycler_view);

			// Layout Managers:
			recyclerView.SetLayoutManager (new LinearLayoutManager (this));

			// Item Decorator:
			recyclerView.AddItemDecoration (new DividerItemDecoration (Resources.GetDrawable (Resource.Drawable.divider)));
			recyclerView.SetItemAnimator (new FadeInLeftAnimator ());

			// Adapter:
			var adapterData = new [] {
				"Alabama", "Alaska", "Arizona", "Arkansas", "California", "Colorado", 
				"Connecticut", "Delaware", "Florida", "Georgia", "Hawaii", "Idaho", 
				"Illinois", "Indiana", "Iowa", "Kansas", "Kentucky", "Louisiana", 
				"Maine", "Maryland", "Massachusetts", "Michigan", "Minnesota", 
				"Mississippi", "Missouri", "Montana", "Nebraska", "Nevada", 
				"New Hampshire", "New Jersey", "New Mexico", "New York", 
				"North Carolina", "North Dakota", "Ohio", "Oklahoma", "Oregon", 
				"Pennsylvania", "Rhode Island", "South Carolina", "South Dakota", 
				"Tennessee", "Texas", "Utah", "Vermont", "Virginia", "Washington", 
				"West Virginia", "Wisconsin", "Wyoming"
			};
			adapter = new RecyclerViewAdapter (this, adapterData.ToList ());
			adapter.Mode = Attributes.Mode.Single;
			recyclerView.SetAdapter (adapter);

			// Listeners
			recyclerView.SetOnScrollListener (new ScrollListener ());
		}

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate (bundle);

            SetContentView (Resource.Layout.GraphActivityLayout);

            var toolbar = FindViewById<Android.Support.V7.Widget.Toolbar> (Resource.Id.toolbar);
            SetSupportActionBar (toolbar);
            SupportActionBar.SetDisplayShowTitleEnabled (false);
            SupportActionBar.SetDisplayHomeAsUpEnabled (true);

            graphView = FindViewById<RecyclerView> (Resource.Id.chartView);
            var db = GeofenceDatabase.From (this);
            adapter = new GraphAdapter (db);

            date = DateTime.Now.AddDays (-1);
            var ticks = Intent.GetLongExtra ("dateTime", -1);
            if (ticks != -1)
                date = new DateTime (ticks);
            globalCount = Intent.GetIntExtra ("globalCount", 0);

            adapter.FillUp (EcoPublicApi.CambridgeStation, date);

            graphView.ViewTreeObserver.AddOnGlobalLayoutListener (this);
            graphView.AddItemDecoration (new GraphEntryDecoration ());
            graphView.SetItemAnimator (new GraphEntryAnimator ());

            time = FindViewById<TextView> (Resource.Id.timeText);
            count = FindViewById<TextView> (Resource.Id.countText);
            increment = FindViewById<TextView> (Resource.Id.incrementText);
            meIcon = FindViewById<ImageView> (Resource.Id.meIcon);

            increment.Visibility = ViewStates.Invisible;
            time.Text = date.ToString ("ddd, MMM dd");
            count.Text = globalCount.ToString ();

            adapter.CounterSelected += HandleCounterSelected;

            filterSpinner = FindViewById<Spinner> (Resource.Id.filterSpinner);
        }

        public BlotterRowAdapter(RecyclerView recyclerView, ObservableCollection<ITradeViewModel> tradesCollection)
        {
            _tradesCollection = tradesCollection;
            
            var animator = new BlotterRowAnimator();
            recyclerView.SetItemAnimator(animator);

            _tradesCollection = tradesCollection;
            _collectionChangedSubscription = _tradesCollection.ObserveCollection()
                .Subscribe(changeArgs =>
                {
                    if (_animationsEnabled && changeArgs.Action == NotifyCollectionChangedAction.Add && changeArgs.NewItems.Count == 1)
                    {
                        Console.WriteLine($"Count: {_tradesCollection.Count}");
                        NotifyItemInserted(changeArgs.NewStartingIndex);
                        recyclerView.SmoothScrollToPosition(0);
                    }
                    else
                    {
                        NotifyDataSetChanged();

                        if (!_animationsEnabled)
                        {
                            recyclerView.ScrollToPosition(0);
                        }
                    }
                });

            _tradesCollection.ObserveCollection()
                .FirstAsync()
                .Delay(TimeSpan.FromSeconds(1))
                .Subscribe(_ =>
                {
                    _animationsEnabled = true;
                });
        }

 public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
 {
     var view = inflater.Inflate(Resource.Layout.CV_Menu, container, false);
     //Create Menu List
     mItemList = new AP_EM_ItemList();
     //Set up layout manager to view all cards on recycler view
     mRecyclerView = view.FindViewById<RecyclerView>(Resource.Id.cv_menurecyclerView);
     mRecyclerView.HasFixedSize = true;
     mLayoutManager = new StaggeredGridLayoutManager(2, 1);
     mRecyclerView.SetLayoutManager(mLayoutManager);
     //Menu List Adapter
     mAdapter = new CVMItemListAdapter(mItemList);
     //Put adapter into RecyclerView
     mRecyclerView.SetAdapter(mAdapter);
     mRecyclerView.SetItemAnimator(new DefaultItemAnimator());
     //Item Click
     mAdapter.ItemClick += OnItemClick;
     return view;
 }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);
            _photoService = new PhotoService();
            photos = _photoService.GetPhotos();

            #region IsAvialableCamera?

            if (IsThereAnAppToTakePictures())
            {
                CreateDirectoryForPictures();
            }

            #endregion

            #region ResouleViewInitialization

            myRecyclerView = FindViewById<RecyclerView>(Resource.Id.recyclerView);
            //Create layout manager
            //myLayoutManager = new LinearLayoutManager(this);
            mygridLayoutManager = new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.Vertical);
            // Attach the layout manager to the recycler view
            myRecyclerView.SetLayoutManager(mygridLayoutManager);
            myAdapter = new RecyclerAdapter(photos);
            myRecyclerView.SetItemAnimator(new DefaultItemAnimator {MoveDuration = 501, AddDuration = 1000});
            myRecyclerView.SetAdapter(myAdapter);

            #endregion
        }

        protected override async void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.CV_Menu);

            #region "logout"
            //logout button
            Button logout = FindViewById<Button>(Resource.Id.menuLogOut);
            logout.Click += (sender, e) => {

                EditText input = new EditText(this);
                RunOnUiThread(() =>
                {
                    AlertDialog.Builder builder;
                    builder = new AlertDialog.Builder(this);
                    builder.SetTitle("Logout?");
                    builder.SetMessage("Enter the password associated with " + LoginScreen.loginUsername + " to logout");
                    builder.SetCancelable(false);
                    builder.SetView(input);
                    builder.SetPositiveButton("OK", delegate {

                        if (input.Text == ("lmo"))
                        {
                            var webClient = new WebClient();
                            Console.WriteLine();
                            webClient.DownloadString("http://54.191.98.63/logout.php?id=" + LoginScreen.loginUsername);
                            this.Finish();
                            SetContentView(Resource.Layout.LoginScreen);
                            Android.Widget.Toast.MakeText(this, "Logged Out Successfully", Android.Widget.ToastLength.Short).Show();
                            StartActivity(typeof(LoginScreen));
                        }
                        else
                        {
                            Android.Widget.Toast.MakeText(this, "Incorrect Password", Android.Widget.ToastLength.Short).Show();
                        }


                    });
                    builder.Show();
                }
                );




                /*
                var webClient = new WebClient();
                Console.WriteLine();
                webClient.DownloadString("http://54.191.98.63/logout.php?id=" + LoginScreen.loginUsername);
                this.Finish();
                SetContentView(Resource.Layout.LoginScreen);
                Android.Widget.Toast.MakeText(this, "Logged Out Successfully", Android.Widget.ToastLength.Short).Show();
                StartActivity(typeof(LoginScreen));
                */
            };
            #endregion

            JsonValue json = await JsonParsing<Task<JsonValue>>.FetchDataAsync(menuURL);
            List<EMItemList> parsedData = JsonParsing<EMItemList>.ParseAndDisplay(json);
            AP_EM_ItemList.mBuiltInCards = parsedData.ToArray();

            //Associations
            mView = FindViewById(Resource.Id.customerspalsh);
            fView = FindViewById(Resource.Id.CV2Menufab);
            headerView = FindViewById(Resource.Id.cv_menuhead);
            frameView = FindViewById(Resource.Id.cv_framerv);

            //FAB
            var fab = FindViewById<FloatingActionButton>(Resource.Id.CV2Menufab);
            FindViewById<FloatingActionButton>(Resource.Id.CV2Menufab).Click += (sender, e) =>
            {
                Hide();
                fab.Visibility = ViewStates.Gone;
            };

            //Create Menu List
            mItemList = new AP_EM_ItemList();
            //Set up layout manager to view all cards on recycler view
            mRecyclerView = FindViewById<RecyclerView>(Resource.Id.cv_menurecyclerView);
            mRecyclerView.HasFixedSize = true;
            mLayoutManager = new StaggeredGridLayoutManager(2, 1);
            mRecyclerView.SetLayoutManager(mLayoutManager);
            //Menu List Adapter
            mAdapter = new CVMItemListAdapter(mItemList);
            //Put adapter into RecyclerView
            mRecyclerView.SetAdapter(mAdapter);
            mRecyclerView.SetItemAnimator(new DefaultItemAnimator());
            //Item Click
            mAdapter.ItemClick += OnItemClick;

            mAdapter.NotifyDataSetChanged();

            Button orderbtn = FindViewById<Button>(Resource.Id.menuorderBtn);
            Button callbtn = FindViewById<Button>(Resource.Id.menuCallWaiter);
            Button pay = FindViewById<Button>(Resource.Id.menupayButton);
            pay.Click += (s, o) =>
            {
                RunOnUiThread(() =>
                {
                    AlertDialog.Builder builder;
//.........这里部分代码省略.........