RecyclerViewMoreItem

//通过泛型来自定义ViewHolder public abstract class TypeAbsViewHolder extends RecyclerView.ViewHolder { public TypeAbsViewHolder(View itemView) { super(itemView); }

public abstract void bindHoder(T mode);

}

//Adapter中具体实现 public class MoreItemAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { public static final int ONE_ITEM=0; public static final int TWO_ITEM=1; public static final int Three_ITEM=2;

private LayoutInflater layoutInflater;
private List<ModelThree> datas;
private ModelTwo data2;
private ModelOne data1;

public MoreItemAdapter(List<ModelThree> datas,ModelTwo modelTwo,ModelOne modelOne, Context context) {
    this.datas = datas;
    this.data2=modelTwo;
    this.data1=modelOne;
    layoutInflater=LayoutInflater.from(context);
}

public static OnItemClickListener clickListener;

public void setClickListener(OnItemClickListener clickListener) {
    this.clickListener = clickListener;
}
public interface OnItemClickListener {
    void onClick(View view, int position,String text);
}

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    switch (viewType){
        case ONE_ITEM :
            return new ItemOneViewHolder(layoutInflater.inflate(R.layout.item1,parent,false));
        case TWO_ITEM:
            return new ItemTwoViewHolder(layoutInflater.inflate(R.layout.item2,parent,false));
         case Three_ITEM:
          return new ItemThreeViewHolder(layoutInflater.inflate(R.layout.grid_item,parent,false));

    }


  return null;
}

@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
     int typePosition=getItemViewType(position);
    switch (typePosition){
        case ONE_ITEM :
            ((ItemOneViewHolder)holder).bindHoder(data1);
            break;
        case TWO_ITEM:
            ((ItemTwoViewHolder)holder).bindHoder(data2);
            break;
        case Three_ITEM:
            ((ItemThreeViewHolder)holder).bindHoder(datas.get(position-2));
            break;
    }
}

@Override
public int getItemViewType(int position) {
    if (position==0){
        return ONE_ITEM;
    }else if (position==1){
        return TWO_ITEM;
    }else {
        return Three_ITEM;
    }


}

@Override
public int getItemCount() {
    return datas.size()==0?2:datas.size()+2;
}