package com.example.entity;   public class Fruit {  PRivate int imageid;     //使用id锁定水果图片  private String imageName;   //对应的水果名字  public Fruit(int imageId, String imageName) {  suPEr();  this.imageId = imageId;  this.imageName = imageName;  }  public int getImageId() {  return imageId;  }  public void setImageId(int imageId) {  this.imageId = imageId;  }  public String getImageName() {  return imageName;  }  public void setImageName(String imageName) {  this.imageName = imageName;  } }  

 <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">     <ListView     android:id="@+id/lvFruits"     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:layout_alignParentLeft="true"     android:layout_alignParentTop="true" >   </ListView>   </RelativeLayout>

 <&#63;xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:orientation="horizontal" >     <ImageView     android:id="@+id/ivImage"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:src="@drawable/ic_launcher" />     <TextView     android:id="@+id/tvName"     android:layout_marginLeft="10dp"     android:layout_gravity="center_vertical"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="TextView" />   </LinearLayout>

 package com.example.adapter;   import java.util.List;   import com.example.entity.Fruit; import com.example.listview.R;   import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.TextView;   public class FruitAdaoper extends ArrayAdapter<Fruit> {  // 适配器，泛型表示想要适配的数据类型    private int resourceId;    public FruitAdaoper(Context context, int textViewResourceId,   List<Fruit> objects) {             // 第一个参数是上下文环境，第二个参数是每一项的子布局，第三个参数是数据  super(context, textViewResourceId, objects);  resourceId = textViewResourceId;          //获取子布局  }    @override     //getView方法在每个子项被滚动到屏幕内的时候都会被调用，每次都将布局重新加载一边  public View getView(int position, View convertView, ViewGroup parent) {//第一个参数表示位置，第二个参数表示缓存布局，第三个表示绑定的view对象  View view;  ViewHolder viewHolder;         //实例ViewHolder，当程序第一次运行，保存获取到的控件，提高效率  if(convertView==null){    viewHolder=new ViewHolder();   view = LayoutInflater.From(getContext()).inflate(//convertView为空代表布局没有被加载过，即getView方法没有被调用过，需要创建    resourceId, null);     // 得到子布局，非固定的，和子布局id有关   viewHolder.ivImage = (ImageView) view.findViewById(R.id.ivImage);//获取控件,只需要调用一遍，调用过后保存在ViewHolder中   viewHolder.tvName = (TextView) view.findViewById(R.id.tvName);  //获取控件   view.setTag(viewHolder);  }else{   view=convertView;      //convertView不为空代表布局被加载过，只需要将convertView的值取出即可   viewHolder=(ViewHolder) view.getTag();  }    Fruit fruit = getItem(position);//实例指定位置的水果    viewHolder.ivImage.setImageResource(fruit.getImageId());//获得指定位置水果的id  viewHolder.tvName.setText(fruit.getImageName());    //获得指定位置水果的名字  return view;    } }  class ViewHolder{   //当布局加载过后，保存获取到的控件信息。  ImageView ivImage;  TextView tvName; } 

 package com.example.listview;   import java.util.ArrayList; import java.util.List;   import com.example.adapter.FruitAdaoper; import com.example.entity.Fruit;   import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast;   public class MainActivity extends Activity {    private ListView lvFruits;  private List<Fruit> fruitList = new ArrayList<Fruit>(); //创建集合保存水果信息    @Override  protected void onCreate(Bundle savedInstancestate) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  lvFruits = (ListView) findViewById(R.id.lvFruits);  //获得子布局  getData();  FruitAdaoper fruitAdapter = new FruitAdaoper(this,   R.layout.listview_item, fruitList);     //关联数据和子布局  lvFruits.setAdapter(fruitAdapter);          //绑定数据和适配器    lvFruits.setOnItemClickListener(new OnItemClickListener() { //点击每一行的点击事件     @Override   public void onItemClick(AdapterView<?> adapterView, View view, int position,    long id) {   Fruit fruit=fruitList.get(position);     //获取点击的那一行   Toast.makeText(MainActivity.this,fruit.getImageName(),Toast.LENGTH_LONG).show();//使用吐司输出点击那行水果的名字   }  });  }    private void getData() {  int[] imageIds = { R.drawable.apple_pic, R.drawable.banana_pic,   R.drawable.cherry_pic, R.drawable.grape_pic,   R.drawable.mango_pic, R.drawable.orange_pic,   R.drawable.pear_pic, R.drawable.pineapple_pic,   R.drawable.strawberry_pic, R.drawable.watermelon_pic };  String[] names = { "苹果", "香蕉", "樱桃", "葡萄", "芒果", "橘子", "梨", "菠萝", "草莓",   "西瓜" };  for(int i=0;i<imageIds.length;i++){         //将数据添加到集合中   fruitList.add(new Fruit(imageIds[i],names[i])); //将图片id和对应的name存储到一起  }  }    @Override  public boolean onCreateOptionsMenu(Menu menu) {  getMenuInflater().inflate(R.menu.main, menu);  return true;  }   }