MainActivity

import?android.support.v7.app.AppCompatActivity;
import?android.os.Bundle;
import?android.support.v7.widget.LinearLayoutManager;
import?android.support.v7.widget.RecyclerView;


import?java.util.ArrayList;
import?java.util.List;

public?class?MainActivity?extends?AppCompatActivity?{


????private?RecyclerView?mRecyclerView;
????private?List<String>?mDatas;
????private?SimpleAdapter?mAdapter;

????@Override
????protected?void?onCreate(Bundle?savedInstanceState)?{
????????super.onCreate(savedInstanceState);
????????setContentView(R.layout.main);
????????initDatas();

????????initView();
????????mAdapter?=?new?SimpleAdapter(this,mDatas);
????????mRecyclerView.setAdapter(mAdapter);
????????LinearLayoutManager?linearLayoutManager?=?new?LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false);
????????mRecyclerView.setLayoutManager(linearLayoutManager);


????}

????private?void?initView()?{
????????mRecyclerView?=?(RecyclerView)findViewById(R.id.id_recyclerview);

????}

????private?void?initDatas()?{

????????mDatas?=?new?ArrayList<String>();
????????for?(int?i?=?'A';i?<?'z';i++){

????????????mDatas.add(""+(char)i);
????????}

????}




}

1. import?android.content.Context;
   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;
   
   import?java.util.List;
   
   /**
   ?*?Created?by?Administrator?on?2016/4/17.
   ?*/
   public?class?SimpleAdapter?extends?RecyclerView.Adapter<MyViewHolder>?{
   
   ????private?List<String>?mDatas;
   ????private?LayoutInflater?mInflater;
   ????private?Context?mContext;
   
   ????@Override
   ????public?int?getItemCount()?{
   ????????return?mDatas.size();
   ????}
   
   ????@Override
   ????public?void?onBindViewHolder(MyViewHolder?holder,?int?pos)?{
   
   
   ????????holder.tv.setText(mDatas.get(pos));
   
   
   ????}
   
   ????@Override
   ????public?MyViewHolder?onCreateViewHolder(ViewGroup?arg0,?int?viewType)?{
   
   ????????View?view?=?mInflater.inflate(R.layout.item_single_textview,arg0,false);
   ????????MyViewHolder?hodler?=?new?MyViewHolder(arg0);
   
   ????????return?hodler;
   ????}
   
   ????@Override
   ????public?long?getItemId(int?position)?{
   ????????return?super.getItemId(position);
   ????}
   
   ????public?SimpleAdapter(Context?context,List<String>?datas)?{
   
   ????????this.mContext?=?context;
   ????????this.mDatas?=?datas;
   ????????mInflater?=?LayoutInflater.from(context);
   
   ????}
   }
   class?MyViewHolder?extends?RecyclerView.ViewHolder{
   ????TextView?tv;
   
   ????public?MyViewHolder(View?itemView)?{
   
   ????????super(itemView);
   ????????tv?=?(TextView)itemView.findViewById(R.id.tv);
   ????}
   }

2. main.xml
   

3. <?xml?version="1.0"?encoding="utf-8"?>
   <RelativeLayout?xmlns:android="http://schemas.android.com/apk/res/android"
   ????xmlns:tools="http://schemas.android.com/tools"
   ????android:layout_width="match_parent"
   ????android:layout_height="match_parent"
   ????android:paddingBottom="@dimen/activity_vertical_margin"
   ????android:paddingLeft="@dimen/activity_horizontal_margin"
   ????android:paddingRight="@dimen/activity_horizontal_margin"
   ????android:paddingTop="@dimen/activity_vertical_margin"
   ????tools:context="com.qdbl.recyclerviewdemo2.MainActivity">
   
   ????<android.support.v7.widget.RecyclerView
   ????????android:id="@+id/id_recyclerview"
   ????????android:layout_width="match_parent"
   ????????android:layout_height="wrap_content"
   ????????android:scrollbars="vertical"/>
   
   
   
   </RelativeLayout>

<?xml?version="1.0"?encoding="utf-8"?>
<FrameLayout?xmlns:android="http://schemas.android.com/apk/res/android"
????android:layout_width="match_parent"
????android:layout_height="72dp"
????android:background="#44ff0000">

????<TextView
????????android:id="@+id/tv"
????????android:layout_width="match_parent"
????????android:layout_height="match_parent"
????????android:gravity="center"?/>
</FrameLayout>