C# RecyclerView.GetType方法代码示例

 private int GetLastVisibleItem(RecyclerView.LayoutManager layoutManager)
 {
     if (layoutManager is StaggeredGridLayoutManager)
         return (layoutManager as StaggeredGridLayoutManager).FindLastVisibleItemPositions(null).Max();
     if (layoutManager is LinearLayoutManager)
         return (layoutManager as LinearLayoutManager).FindLastVisibleItemPosition();
     if (layoutManager is GridLayoutManager)
         return (layoutManager as GridLayoutManager).FindLastVisibleItemPosition();
     throw new InvalidOperationException($"Can't find last item from {layoutManager.GetType().Name}");
 }

		public override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			if (holder.GetType () == typeof(MyHealth_BodyWeight_ViewHolder)) {
				MyHealth_BodyWeight_ViewHolder vh = holder as MyHealth_BodyWeight_ViewHolder;
				vh.tvMHBWCLIDateTime.Text = mData [position].mDateTime;
				vh.tvMHBWCLIWeight.Text = mData [position].mWeight;
				vh.tvMHBWCLINettWeight.Text = mData [position].mNettWeight;
				vh.tvMHBWCLIBMI.Text = mData [position].mBMI;
				vh.tvMHBWCLIBoneMass.Text = mData [position].mBoneMass;
				vh.tvMHBWCLIFat.Text = mData [position].mFat;
			}

		}

		public override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			
			if (holder.GetType () == typeof(MySoal_PetiMasuk_ViewHolder)) {
				MySoal_PetiMasuk_ViewHolder vh = holder as MySoal_PetiMasuk_ViewHolder;
				vh.tvTitle.Text = mData [position].title;
				vh.tvContent.Text = mData [position].content;
			}



		//vh.IVLike.SetImageResource (mData[position].like);
		}

		public  override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			if (holder.GetType () == typeof(MyVote_ViewHolder)) {
				
				var vh = holder as MyVote_ViewHolder;
				string tempURL = mVoteData [position].imageString;

				//call the local picasso function
			
				//set a tag for the button to the current clicked position
				vh.IVDetail.SetTag (Resource.Id.ivDetails, position);
				vh.IVPoster.SetTag (Resource.Id.ivPoster, position);
				vh.IVVote.SetTag (Resource.Id.ivVote, position);

				vh.PBimgVote.Visibility = ViewStates.Invisible;
				intialButton (vh.IVVote, vh.PBimgVote, mVoteData [position].voteStat); 
			
				PicassoSetImage (tempURL, vh.IVPoster, vh);

				//define a handle click
				vh.IVVote.Click += IVVote_Click;
				vh.IVDetail.Click += IVDetail_Click;
				vh.IVPoster.Click += IVPoster_Click;
				vh.TVLike.Visibility = ViewStates.Invisible;

				vh.IVDetail.Visibility = ViewStates.Invisible;
			}
		}

        public override void OnBindViewHolder(RecyclerView.ViewHolder viewHolder, int position)
        {
            ((CardBaseViewHolder) viewHolder).Title.SetText(Data[position].Title, TextView.BufferType.Normal);
            ((CardBaseViewHolder) viewHolder).Description.SetText(Data[position].Description,
                TextView.BufferType.Normal);

            if (viewHolder.GetType() == typeof (CardImageViewHolder))
            {
                ((CardImageViewHolder) viewHolder).LoadImage(((FeedItemImage) Data[position]).Image, context);
            }
            else if (viewHolder.GetType() == typeof (CardPercentViewHolder))
            {
                ((CardPercentViewHolder) viewHolder).AnimatePercentage(
                    ((FeedItemPercentage) Data[position]).Percentage, 1200);
            }
            else if (viewHolder.GetType() == typeof (CardGraphViewHolder))
            {
                PlotModel model = ((FeedItemGraph) Data[position]).CreatePlotModel();
                ((CardGraphViewHolder) viewHolder).PlotGraph(model);
            }
            else if (viewHolder.GetType() == typeof (CardPersonViewHolder))
            {
                ((CardPersonViewHolder) viewHolder).LoadData(((FeedItemUser) Data[position]).UserAccount, context);
            }
            else if (viewHolder.GetType() == typeof (CardActivityViewHolder))
            {
                ((CardActivityViewHolder) viewHolder).LoadData((FeedItemActivity) Data[position], context);
            }
            else if (viewHolder.GetType() == typeof (CardRatingViewHolder))
            {
                ((CardRatingViewHolder) viewHolder).RatingBar.Rating = ((FeedItemStarRating) Data[position]).Rating;
            }

            if (Data[position].Interaction == null || Data[position].Interaction.Type == FeedItemInteraction.InteractionType.None)
            {
                ((CardBaseViewHolder) viewHolder).Interact.Visibility = ViewStates.Gone;
                return;
            }

            ((CardBaseViewHolder) viewHolder).Interact.Visibility = ViewStates.Visible;
            ((CardBaseViewHolder) viewHolder).Interact.Text = Data[position].Interaction.Label;

            FeedItemInteraction interaction = Data[position].Interaction;

            switch (interaction.Type)
            {
                case FeedItemInteraction.InteractionType.Url:
                    ((CardBaseViewHolder) viewHolder).Interact.Click += delegate
                    {
                        Intent i = new Intent(Intent.ActionView,
                            Android.Net.Uri.Parse(interaction.Value));
                        context.StartActivity(i);
                    };
                    break;

                case FeedItemInteraction.InteractionType.Assessment:
                    ((CardBaseViewHolder) viewHolder).Interact.Click +=
                        delegate
                        {
                            int actId = int.Parse(interaction.Value);

                            if (!AndroidUtils.IsConnected() && !AndroidUtils.IsActivityAvailableOffline(actId, context))
                            {
                                AndroidUtils.OfflineAlert(context,
                                    "This assessment has not been downloaded yet and requires an Internet connection to prepare!");
                                return;
                            }

                            try
                            {
                                Intent intent = new Intent(context, typeof(AssessmentActivity));
                                intent.PutExtra("ActivityId", actId);
                                context.StartActivity(intent);
                            }
                            catch (Exception ex)
                            {
                                AndroidUtils.OfflineAlert(context,
                                    "Error launching assessment activity");
                                return;
                            }
                            
                        };
                    break;

                case FeedItemInteraction.InteractionType.Activity:
                    ((CardBaseViewHolder) viewHolder).Interact.Click += delegate
                    {
                        int actId = int.Parse(interaction.Value);

                        if (!AndroidUtils.IsConnected() && !AndroidUtils.IsActivityAvailableOffline(actId, context))
                        {
                            AndroidUtils.OfflineAlert(context,
                                "This practiceActivity has not been downloaded yet and requires an Internet connection to prepare!");
                            return;
                        }

                        Intent intent = new Intent(context, typeof (ScenarioActivity));
                        intent.PutExtra("ActivityId", actId);
                        context.StartActivity(intent);
                    };
//.........这里部分代码省略.........

		public override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			if (holder.GetType () == typeof(Product_ViewHolder)) {

				DateTime dt = Convert.ToDateTime (prodList [position].created_at);
				string ProdDate = dt.ToString ("MMM dd, yyyy");

				var h = holder as Product_ViewHolder;
				h.txtPrice.Text = prodList [position].price;
				h.txtProdName.Text = prodList [position].title;
				h.txtProdDate.Text = ProdDate;
				h.View.SetTag (Resource.Id.recyclerView, Int32.Parse (prodList [position].id));
				h.View.Click += Product_Click;

				PicassoSetImage (prodList [position].url_photo_thumb, h.ImageView, h);
			}
		}