package com.example.listviewtest;

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

import java.util.List;

public class FruitAdapter02 extends RecyclerView.Adapter<FruitAdapter02.ViewHolder> {

    private List<Fruit> mFruitList;


    static class ViewHolder extends RecyclerView.ViewHolder{

        ImageView fruitImage;
        TextView FruitName;

        public ViewHolder(View view) {
            super(view);
            fruitImage  = (ImageView) view.findViewById(R.id.fruit_image);
            FruitName  = (TextView) view.findViewById(R.id.fruit_name);
        }
    }

    public FruitAdapter02(List<Fruit> fruitList) {
        mFruitList = fruitList;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
      View view =  LayoutInflater.from(parent.getContext())
                .inflate(R.layout.fruit_item,parent,false);
        ViewHolder holder = new ViewHolder(view);
        return holder;
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        Fruit fruit = mFruitList.get(position);
        holder.fruitImage.setImageResource(fruit.getImageId());
        holder.FruitName.setText(fruit.getName());
    }

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




}

package com.example.listviewtest;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.AndroidCharacter;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

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

public class MainActivity extends AppCompatActivity {



    private List<Fruit> fruitList = new ArrayList<>();


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


        initFruits();//初始化水果数据

        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);

        LinearLayoutManager layoutManager = new LinearLayoutManager(this);

        recyclerView.setLayoutManager(layoutManager);


        FruitAdapter02 adapter = new FruitAdapter02(fruitList);

        recyclerView.setAdapter(adapter);


    }

    private void initFruits() {


        for (int i = 0; i < 10; i++) {

            Fruit apple = new Fruit("apple", R.drawable.apple);
            fruitList.add(apple);
            Fruit orange = new Fruit("orange", R.drawable.orange);
            fruitList.add(orange);


        }


    }
}