ANDROID_MARS学习笔记_S01原始版_006_ListView

一、代码
1.xml
(1)main.xml

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="fill_parent"
     android:layout_height="fill_parent">
     <LinearLayout android:id="@+id/listLinearLayout"
         android:layout_width="fill_parent" android:layout_height="wrap_content"
         android:orientation="vertical">
         <ListView android:id="@id/android:list" android:layout_width="fill_parent"
             android:layout_height="wrap_content" android:drawSelectorOnTop="true"
             android:scrollbars="vertical" />
     </LinearLayout>
 </LinearLayout>

(2)user.xml

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent" android:layout_height="fill_parent"
     android:orientation="horizontal" android:paddingLeft="10dip"
     android:paddingRight="10dip" android:paddingTop="1dip"
     android:paddingBottom="1dip">
     <TextView android:id="@+id/user_name" android:layout_width="180dip"
         android:layout_height="30dip" android:textSize="5pt"
         android:singleLine="true" />
     <TextView android:id="@+id/user_ip" android:layout_width="fill_parent"
         android:layout_height="fill_parent" android:gravity="right"
         android:textSize="5pt" />
 </LinearLayout>

2.java
(1)Activity01.java

 package mars.listview;

 import java.util.ArrayList;
 import java.util.HashMap;

 import android.app.ListActivity;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;

 public class Activity01 extends ListActivity {
     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
         ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();
         HashMap<String, String> map1 = new HashMap<String, String>();
         HashMap<String, String> map2 = new HashMap<String, String>();
         HashMap<String, String> map3 = new HashMap<String, String>();
         map1.put("user_name", "zhangsan");
         map1.put("user_ip", "192.168.0.1");
         map2.put("user_name", "zhangsan");
         map2.put("user_ip", "192.168.0.2");
         map3.put("user_name", "wangwu");
         map3.put("user_ip", "192.168.0.3");
         list.add(map1);
         list.add(map2);
         list.add(map3);
         MyAdapter listAdapter = new MyAdapter(this, list,
                 R.layout.user, new String[] { "user_name", "user_ip" },
                 new int[] { R.id.user_name,R.id.user_ip});
         setListAdapter(listAdapter);
     }

     @Override
     protected void onListItemClick(ListView l, View v, int position, long id) {
         // TODO Auto-generated method stub
         super.onListItemClick(l, v, position, id);
         System.out.println("id----------------" + id);
         System.out.println("position----------" + position);
     }

 }

(2)MyAdapter.java

 package mars.listview;

 import java.util.List;
 import java.util.Map;

 import android.R.color;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.SimpleAdapter;

 public class MyAdapter extends SimpleAdapter {
     private LayoutInflater inflater = null;
     private List<Map<String,Object>> styles = null;
     public List<Map<String, Object>> getStyles() {
         return styles;
     }

     public void setStyles(List<Map<String, Object>> styles) {
         this.styles = styles;
     }

     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         // TODO Auto-generated method stub
         View result = super.getView(position, convertView, parent);
         System.out.println("positon---->" + position);
         if(result != null){
             inflater.inflate(R.layout.user1, null);
         }
         return result;
     }

     public MyAdapter(Context context, List<? extends Map<String, ?>> data,
             int resource, String[] from, int[] to) {
         super(context, data, resource, from, to);
         inflater = LayoutInflater.from(context);
     }

 }