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1 package com.example.recyclerviewdemo;
2
3 import android.support.v7.widget.RecyclerView;
4 import android.util.Log;
5 import android.view.LayoutInflater;
6 import android.view.View;
7 import android.view.ViewGroup;
8 import android.widget.TextView;
9
10 public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> implements View.OnClickListener{
11 private String[] datas;
12 public MyAdapter(String[] datas) {
13 this.datas = datas;
14 }
15 private OnRecyclerViewItemClickListener mOnItemClickListener = null;
16
17 //define interface
18 public static interface OnRecyclerViewItemClickListener {
19 void onItemClick(View view , String data);
20 }
21
22 @Override
23 public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
24 View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item, viewGroup, false);
25 ViewHolder vh = new ViewHolder(view);
26 //将创建的View注册点击事件
27 view.setOnClickListener(this);
28 return vh;
29 }
30
31 @Override
32 public void onBindViewHolder(ViewHolder viewHolder, int position) {
33 viewHolder.mTextView.setText(datas[position]);
34 //将数据保存在itemView的Tag中，以便点击时进行获取
35 viewHolder.itemView.setTag(datas[position]);
36 }
37
38 @Override
39 public void onClick(View v) {
40 if (mOnItemClickListener != null) {
41 //注意这里使用getTag方法获取数据
42 mOnItemClickListener.onItemClick(v,(String)v.getTag());
43 }
44 }
45
46 public void setOnItemClickListener(OnRecyclerViewItemClickListener listener) {
47 this.mOnItemClickListener = listener;
48 }
49
50
51 //获取数据的数量
52 @Override
53 public int getItemCount() {
54 return datas.length;
55 }
56 //自定义的ViewHolder，持有每个Item的的所有界面元素
57 public static class ViewHolder extends RecyclerView.ViewHolder {
58 public TextView mTextView;
59 public ViewHolder(View view){
60 super(view);
61 mTextView = (TextView) view.findViewById(R.id.text);
62 }
63 }
64 }
adapter