C# RecyclerView类代码示例

        public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
        {
            View view = inflater.Inflate(Resource.Layout.StudyCardLayout, container, false);
            mRecyclerView = view.FindViewById<RecyclerView> (Resource.Id.recyclerView);
            //mListView = view.FindViewById<ListView> (Resource.Id.lvToDoList);
            mFab = view.FindViewById<FloatingActionButton> (Resource.Id.fab);
            mFab.Click += (sender, e) => {
                createFragment(null,true);
            };
            mStudyGroup = new List<StudyGroup> ();
            StudyRequest asyncStudyRquest = new StudyRequest ();
            Task<StudyResponse> data = asyncStudyRquest.StudyRequestAsync (LoginInfo.username, LoginInfo.KEY);

            StudyResponse results = data.Result;
            List<StudyGroup> resultsList = new List<StudyGroup> (results.studyGroups);

            for (int i = 0; i <resultsList.Count; i++) {

                mStudyGroup.Add (resultsList[i]);
            }

            mLayoutManager = new LinearLayoutManager (view.Context);
            mRecyclerView.SetLayoutManager (mLayoutManager);
            mAdapter = new RecyclerAdapter (mStudyGroup,mRecyclerView,this);
            mRecyclerView.SetAdapter (mAdapter);

            return view;
        }

 public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
 {
     var movieViewHolder = (MovieViewHolder)holder;
     movieViewHolder.MovieNameTextView.Text = movies[position].title;
     movieViewHolder.DirectedByTextView.Text = "Directed by " + movies[position].director;
     movieViewHolder.ReleasedOnTextView.Text = "Released on " + movies[position].release_date;
 }

		public override void OnBindViewHolder (RecyclerView.ViewHolder viewHolder, int position)
		{
			var item = items [position];
			var holder = viewHolder as MyViewHolder2;
			holder.imageView.SetBackgroundResource (items[position]);

		}

        public override View OnCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
        {
            var view = inflater.Inflate (Resource.Layout.ProjectListFragment, container, false);

            recyclerView = view.FindViewById<RecyclerView> (Resource.Id.ProjectListRecyclerView);
            recyclerView.SetLayoutManager (new LinearLayoutManager (Activity));
            recyclerView.AddItemDecoration (new ShadowItemDecoration (Activity));
            recyclerView.AddItemDecoration (new DividerItemDecoration (Activity, DividerItemDecoration.VerticalList));

            emptyStateLayout = view.FindViewById<LinearLayout> (Resource.Id.ProjectListEmptyState);
            searchEmptyState = view.FindViewById<LinearLayout> (Resource.Id.ProjectListSearchEmptyState);
            tabLayout = view.FindViewById<TabLayout> (Resource.Id.WorkspaceTabLayout);
            newProjectFab = view.FindViewById<AddProjectFab> (Resource.Id.AddNewProjectFAB);
            toolBar = view.FindViewById<Toolbar> (Resource.Id.ProjectListToolbar);

            var activity = (Activity)Activity;
            activity.SetSupportActionBar (toolBar);
            activity.SupportActionBar.SetDisplayHomeAsUpEnabled (true);
            activity.SupportActionBar.SetTitle (Resource.String.ChooseTimeEntryProjectDialogTitle);

            HasOptionsMenu = true;
            newProjectFab.Click += OnNewProjectFabClick;
            tabLayout.SetOnTabSelectedListener (this);

            return view;
        }

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

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

            activityIndicator.Visibility = Android.Views.ViewStates.Visible;

            layoutManager = new LinearLayoutManager(this, LinearLayoutManager.Vertical, false);

            recyclerView.SetLayoutManager(layoutManager);

            var repository = new MoviesRepository();

            var films = await repository.GetAllFilms();

            var moviesAdapter = new MovieAdapter(films.results);

            recyclerView.SetAdapter(moviesAdapter);

            activityIndicator.Visibility = Android.Views.ViewStates.Gone;

            SupportActionBar.SetDisplayHomeAsUpEnabled(false);
            SupportActionBar.SetHomeButtonEnabled(false);
        }

 public override int GetSwipeDirs (RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder)
 {
     if (listener.CanDismiss (recyclerView, viewHolder)) {
         return ItemTouchHelper.Right;
     }
     return 0;
 }

        public bool OnInterceptTouchEvent (RecyclerView rv, MotionEvent e)
        {
            // TODO : this part intercep any touch inside recycler
            // and delete pending items.
            // A better method could be used.

            if (e.Action == MotionEventActions.Down) {
                var undoAdapter = (IUndoAdapter)rv.GetAdapter ();
                View view = GetChildViewUnder (e);

                if (view == null) {
                    undoAdapter.DeleteSelectedItem ();
                } else {
                    int position = recyclerView.GetChildLayoutPosition (view);
                    if (!undoAdapter.IsUndo (position)) {
                        undoAdapter.DeleteSelectedItem ();
                    }
                }
            }

            if (IsEnabled) {
                gestureDetector.OnTouchEvent (e);
            }
            return false;
        }

		public MovieCategoryViewHolder (View itemView, int viewType) : base (itemView) {
			//Creates and caches our views defined in our layout
			if (viewType == 0) // TODO: Calculate this. I don't think this is a good way to ensure consistent presentation across different device resolutions
				itemView.SetPadding (itemView.PaddingLeft, itemView.PaddingTop + 110, itemView.PaddingRight, itemView.PaddingBottom);
			this.CategoryName = itemView.FindViewById<TextView>(Resource.Id.movie_category_item_txtCategoryName);
			this.MovieList = itemView.FindViewById<RecyclerView>(Resource.Id.movie_category_item_lstMovies);
		}

		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);

            _persoon = Gegevens.GetPerson();
            _groep = Gegevens.CurrentGroup();

            SetContentView(Resource.Layout.Betaalscherm);

            _toolbar = FindViewById<Toolbar>(Resource.Id.toolbar);
            ImageView Avatar = _toolbar.FindViewById<ImageView>(Resource.Id.Avatar);
            TextView Title = _toolbar.FindViewById<TextView>(Resource.Id.Title);
            Title.Text = _groep.groepsnaam;

            foreach (var lid in _persoon.KrijgSchuldGroep(_groep))
            {
                deelnemers.Add(new ListItem(lid.Key, Resource.Drawable.iconn, lid.Value, _groep));
            }

            _adapter = new ListItemAdapter(ListItem.Session, deelnemers);
            _adapter.ItemClick += OnItemClick;
            _adapter.ItemLongClick += (sender, e) => {};

            _recyclerView = FindViewById<RecyclerView>(Resource.Id.recyclerview);
            _recyclerView.SetMinimumHeight(ConvertDptoPx(listItemHeight*deelnemers.Count));
            _recyclerView.SetLayoutManager(new LinearLayoutManager(this));
            _recyclerView.SetScrollContainer(true);
            _recyclerView.NestedScrollingEnabled = false;
            _recyclerView.SetAdapter(_adapter);

            SetSupportActionBar(_toolbar);
            SupportActionBar.Title = "";
            SupportActionBar.SetDisplayHomeAsUpEnabled(true);
            SupportActionBar.SetDisplayShowHomeEnabled(true);
        }

		public override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			//int item = mData[position];
			//IWindowManager windowManager = context.GetSystemService(Context.WindowService).JavaCast<IWindowManager>();
			//MyKomuniti_ViewHolder vh = holder as MyKomuniti_ViewHolder;

				/*//calculate the phone screen
				DisplayMetrics dm = new DisplayMetrics ();
				windowManager.DefaultDisplay.GetMetrics (dm);
				int width = dm.WidthPixels;
				int height = dm.HeightPixels;
				int dens = (int)dm.DensityDpi;
				double wi = (double)width / (double)dens;
				double hi = (double)height / (double)dens;
				double x = Math.Pow (wi,2);
				double y = Math.Pow (hi,2);
				double screenInches = Math.Sqrt (x + y);*/
			//vh.tvTitle.Text = mData[position].title;
			//vh.tvContent.Text = mData[position].content;


			//vh.IVLike.SetImageResource (mData[position].like);
			if (holder.GetType () == typeof(MyKomuniti_ViewHolder)) {
				MyKomuniti_ViewHolder vh = holder as MyKomuniti_ViewHolder;
				vh.tvTitle.Text = mData[position].title;
				//vh.tvContent.Text = mData[position].content;
				vh.tvDescription.Text = Html.FromHtml(mData[position].content).ToString();
				//vh.tvDescription.Text = mData[position].content.Replace("s/<(.*?)>//g","");
				vh.tvMKVLIDate.Text = mData [position].date;
				vh.tvMKVLISender.Text = mData [position].sender;
			}
		}

 /// <summary>
 /// Raises the query text change event.
 /// Filters the user list in the UsersViewModel by wether the entered string is contained in the users first/last name 
 /// </summary>
 /// <param name="newText">Text entered in the SearchView by the user</param>
 public bool OnQueryTextChange(string newText)
 {
     _recyclerView = FindViewById<RecyclerView> (Resource.Id.user_list);
     _filteredUsers = _usersViewModel.Users.ToList ().FindAll (e => (e.FirstName.ToLower() + " " + e.LastName.ToLower()).Contains (newText.ToLower()));
     SetupRecyclerView (_recyclerView);
     return true;
 }

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

			// Set our view from the "main" layout resource
			this.SetContentView (Resource.Layout.movie_detail);

			// Create your application here
			var strConfig = this.Intent.Extras.GetString ("Configuration");
			var strSelectedMovie = this.Intent.Extras.GetString ("SelectedMovie");
			this.configuration = JsonConvert.DeserializeObject<ConfigurationResponse> (strConfig);
			this.movieDetail = JsonConvert.DeserializeObject<Movie> (strSelectedMovie);

			this.btnPlay = this.FindViewById<Button> (Resource.Id.movie_detail_btnPlay);
			this.btnPlay.Click += this.btnPlay_Click;
			this.btnFavorite = this.FindViewById<Button> (Resource.Id.movie_detail_btnFavorite);
			this.btnFavorite.Click += this.btnFavorite_Click;
			this.btnClose = this.FindViewById<ImageButton> (Resource.Id.movie_detail_close);
			this.btnClose.Click += this.btnClose_Click;
			this.txtTitle = this.FindViewById<TextView> (Resource.Id.movie_detail_txtTitle);
			this.txtReleaseDate = this.FindViewById<TextView> (Resource.Id.movie_detail_txtReleaseDate);
			this.ratingBar = this.FindViewById<RatingBar> (Resource.Id.movie_detail_ratingBar);
			this.txtVoteCount = this.FindViewById<TextView> (Resource.Id.movie_detail_txtVoteCount);
			this.txtOverview = this.FindViewById<TextView> (Resource.Id.movie_detail_txtOverview);
			this.imgPoster = this.FindViewById<ImageView> (Resource.Id.movie_detail_imgPoster);
			this.vwSimilarMovies = this.FindViewById<RelativeLayout> (Resource.Id.movie_detail_vwSimilarMovies);
			this.movieList = this.FindViewById<RecyclerView>(Resource.Id.movie_detail_lstSimilarMovies);
			this.movieLayoutManager = new LinearLayoutManager (this, LinearLayoutManager.Horizontal, false);
			this.movieList.SetLayoutManager (this.movieLayoutManager);

			this.updateLayout ();
		}

 public bool OnInterceptTouchEvent (RecyclerView rv, MotionEvent e)
 {
     if (IsEnabled) {
         gestureDetector.OnTouchEvent (e);
     }
     return false;
 }

		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));
			};
		}