01 效果图

RecyclerView+CardView.png

02 Add library dependency

compile 'com.android.support:recyclerview-v7:25.0.1'
compile 'com.android.support:cardview-v7:25.0.1'

03 layout

rv_item.xml
<?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="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@android:color/transparent">
    <!--此处使用了CardView-->
    <android.support.v7.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:cardBackgroundColor="#669900"
        app:cardCornerRadius="20dp">
        <TextView
            android:id="@+id/tv_item"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:gravity="center"
            android:text="Text"
            android:textColor="#ffffff"/>
    </android.support.v7.widget.CardView>
</FrameLayout>

activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv_recycler_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
</RelativeLayout>

04 MainActivity

import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
    private Context mContext;
    private ArrayList<String> mDatas;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext = this;
        intiData();
        intiUI();
    }

    private void intiData() {
        mDatas = new ArrayList<String>();
        for(int i = 'A'; i <= 'Z'; i++){
            mDatas.add("" + (char) i);
        }
    }

    private void intiUI() {
        RecyclerView rv_recycler_view = (RecyclerView) findViewById(R.id.rv_recycler_view);
        rv_recycler_view.setLayoutManager(new LinearLayoutManager(mContext));
        rv_recycler_view.setAdapter(new HomeAdapter());
        rv_recycler_view.addItemDecoration(new DividerItemDecoration(mContext, LinearLayout.VERTICAL));
    }

    class HomeAdapter extends RecyclerView.Adapter<HomeAdapter.MyViewHolder>{
        @Override
        public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            //MyViewHolder holder = new MyViewHolder(View.inflate(mContext, R.layout.rv_item, parent));
            MyViewHolder holder = new MyViewHolder(LayoutInflater.from(mContext).inflate(R.layout.rv_item, parent, false));
            return holder;
        }

        @Override
        public void onBindViewHolder(MyViewHolder holder, int position) {
            holder.tv_item.setText(mDatas.get(position));
        }

        @Override
        public int getItemCount() {
            return mDatas.size();
        }

        class  MyViewHolder extends RecyclerView.ViewHolder{
            TextView tv_item;
            public MyViewHolder(View view){
                super(view);
                tv_item = (TextView) view.findViewById(R.id.tv_item);
            }
        }
    }
}