Android 自定义ListView示例详解

<?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="match_parent" 
  android:orientation="vertical" > 
  <LinearLayout android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:orientation="horizontal" android:background="#f1e4f1"> 
    <ImageView  
      android:id="@+id/image" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content"/> 
    <TextView  
      android:id="@+id/title" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:textColor="#666872"/> 
    <Button  
      android:id="@+id/view" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:text="详细"/> 
  </LinearLayout> 
  <TextView  
    android:id="@+id/info" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:textColor="#666872"/> 
</LinearLayout> 

public class MyAdspter extends BaseAdapter { 
 
  private List<Map<String, Object>> data; 
  private LayoutInflater layoutInflater; 
  private Context context; 
  public MyAdspter(Context context,List<Map<String, Object>> data){ 
    this.context=context; 
    this.data=data; 
    this.layoutInflater=LayoutInflater.from(context); 
  } 
  /** 
   * 组件集合，对应list.xml中的控件 
   * @author Administrator 
   */ 
  public final class Zujian{ 
    public ImageView image; 
    public TextView title; 
    public Button view; 
    public TextView info; 
  } 
  @Override 
  public int getCount() { 
    return data.size(); 
  } 
  /** 
   * 获得某一位置的数据 
   */ 
  @Override 
  public Object getItem(int position) { 
    return data.get(position); 
  } 
  /** 
   * 获得唯一标识 
   */ 
  @Override 
  public long getItemId(int position) { 
    return position; 
  } 
 
  @Override 
  public View getView(int position, View convertView, ViewGroup parent) { 
    Zujian zujian=null; 
    if(convertView==null){ 
      zujian=new Zujian(); 
      //获得组件，实例化组件 
      convertView=layoutInflater.inflate(R.layout.list, null); 
      zujian.image=(ImageView)convertView.findViewById(R.id.image); 
      zujian.title=(TextView)convertView.findViewById(R.id.title); 
      zujian.view=(Button)convertView.findViewById(R.id.view); 
      zujian.info=(TextView)convertView.findViewById(R.id.info); 
      convertView.setTag(zujian); 
    }else{ 
      zujian=(Zujian)convertView.getTag(); 
    } 
    //绑定数据 
    zujian.image.setBackgroundResource((Integer)data.get(position).get("image")); 
    zujian.title.setText((String)data.get(position).get("title")); 
    zujian.info.setText((String)data.get(position).get("info")); 
    return convertView; 
  } 
 
} 

<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=".MainActivity" > 
  <ListView  
    android:id="@+id/list" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"></ListView> 
</RelativeLayout> 

public class MainActivity extends Activity { 
 
  private ListView listView=null;  
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    listView=(ListView)findViewById(R.id.list); 
    List<Map<String, Object>> list=getData(); 
    listView.setAdapter(new MyAdspter(this, list)); 
  } 
  @Override 
  public boolean onCreateOptionsMenu(Menu menu) { 
    getMenuInflater().inflate(R.menu.main, menu); 
    return true; 
  } 
 
  public List<Map<String, Object>> getData(){ 
    List<Map<String, Object>> list=new ArrayList<Map<String,Object>>(); 
    for (int i = 0; i < 10; i++) { 
      Map<String, Object> map=new HashMap<String, Object>(); 
      map.put("image", R.drawable.ic_launcher); 
      map.put("title", "这是一个标题"+i); 
      map.put("info", "这是一个详细信息"+i); 
      list.add(map); 
    } 
    return list; 
  } 
}