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- package com.example.recyclerviewstest;
- import android.content.Context;
- import android.support.annotation.NonNull;
- import android.support.v7.widget.RecyclerView;
- import android.view.LayoutInflater;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.TextView;
- import java.security.AccessController;
- public class NumberAdapter extends RecyclerView.Adapter<NumberAdapter.NumberViewHolder> {
- private int numberItems;
- private static int viewHolderCount;
- public NumberAdapter(int numberOfItems){
- viewHolderCount = 0;
- numberItems = numberOfItems;
- }
- @NonNull
- @Override
- public NumberViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
- Context context = parent.getContext();
- int layoutIdForListItem = R.layout.number_list_item;
- LayoutInflater inflate = LayoutInflater.from(context);
- View view = inflate.inflate(layoutIdForListItem,parent,false);
- NumberViewHolder viewHolder = new NumberViewHolder(view);
- viewHolder.viewHolderIndex.setText("ViewHolder index: " + viewHolderCount );
- viewHolderCount++;
- return viewHolder;
- }
- @Override
- public void onBindViewHolder(@NonNull NumberViewHolder holder, int position) {
- holder.bind(position);
- }
- @Override
- public int getItemCount() {
- return numberItems;
- }
- class NumberViewHolder extends RecyclerView.ViewHolder{
- TextView listItemNumberView;
- TextView viewHolderIndex;
- public NumberViewHolder(@NonNull View itemView) {
- super(itemView);
- listItemNumberView = itemView.findViewById(R.id.tv_number_item);
- viewHolderIndex = itemView.findViewById(R.id.tv_number_view_holder);
- }
- void bind(int listIndex){
- listItemNumberView.setText(String.valueOf(listIndex));
- }
- }
- }
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