RecyclerView的点击事件添加-------接口回调的形式添加

 package com.example.recyclerviewdemo;

 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;

 public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> implements View.OnClickListener{
     private  String[]  datas;
     public MyAdapter(String[] datas) {
         this.datas = datas;
     }
     private OnRecyclerViewItemClickListener mOnItemClickListener = null;

     //define interface
     public static interface OnRecyclerViewItemClickListener {
         void onItemClick(View view , String data);
     }

     @Override
     public ViewHolder onCreateViewHolder(ViewGroup viewGroup,  int viewType) {
         View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item, viewGroup, false);
         ViewHolder vh = new ViewHolder(view);
         //将创建的View注册点击事件
         view.setOnClickListener(this);
         return vh;
     }

     @Override
     public void onBindViewHolder(ViewHolder viewHolder,  int position) {
         viewHolder.mTextView.setText(datas[position]);
         //将数据保存在itemView的Tag中，以便点击时进行获取
         viewHolder.itemView.setTag(datas[position]);
     }

     @Override
     public void onClick(View v) {
         if (mOnItemClickListener != null) {
             //注意这里使用getTag方法获取数据
             mOnItemClickListener.onItemClick(v,(String)v.getTag());
         }
     }

     public void setOnItemClickListener(OnRecyclerViewItemClickListener listener) {
         this.mOnItemClickListener = listener;
     }

     //获取数据的数量
     @Override
     public int getItemCount() {
         return datas.length;
     }
     //自定义的ViewHolder，持有每个Item的的所有界面元素
     public static class ViewHolder extends RecyclerView.ViewHolder {
         public TextView mTextView;
         public ViewHolder(View view){
         super(view);
             mTextView = (TextView) view.findViewById(R.id.text);
         }
     }
 }

adapter

 import com.example.recyclerviewdemo.MyAdapter.OnRecyclerViewItemClickListener;

 import android.support.v7.app.ActionBarActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Toast;

 public class MainActivity extends ActionBarActivity {
     private RecyclerView mRecyclerView;
     private LinearLayoutManager mLayoutManager;
     private MyAdapter mAdapter;
     private String[] data= new String[] {"aa","bb", "aa","bb", "aa","bb", "aa","bb", "aa","bb","aa","bb", "aa","bb", "aa","bb", "aa","bb", "aa","bb"  };

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         mRecyclerView = (RecyclerView)findViewById(R.id.my_recycler_view);
         //创建默认的线性LayoutManager
         mLayoutManager = new LinearLayoutManager(this);
         mRecyclerView.setLayoutManager(mLayoutManager);
         //如果可以确定每个item的高度是固定的，设置这个选项可以提高性能
         mRecyclerView.setHasFixedSize(true);
         //创建并设置Adapter
         mAdapter = new MyAdapter(data);
         mRecyclerView.setAdapter(mAdapter);
         mAdapter.setOnItemClickListener(new OnRecyclerViewItemClickListener(){
             @Override
             public void onItemClick(View view , String data){
                 Toast.makeText(MainActivity.this, data, 600).show();
             }
         });
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.main, menu);
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         // Handle action bar item clicks here. The action bar will
         // automatically handle clicks on the Home/Up button, so long
         // as you specify a parent activity in AndroidManifest.xml.
         int id = item.getItemId();
         if (id == R.id.action_settings) {
             return true;
         }
         return super.onOptionsItemSelected(item);
     }

 }

activity