Android入门之ListView应用解析(一)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    android:id="@+id/LinearLayout01" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    xmlns:android="http://schemas.android.com/apk/res/android">
    
    <ListView android:layout_width="wrap_content" 
         android:layout_height="wrap_content" 
         android:id="@+id/MyListView">
    </ListView>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    android:layout_width="fill_parent" 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical"
    android:layout_height="wrap_content" 
    android:id="@+id/MyListItem" 
    android:paddingBottom="3dip" 
    android:paddingLeft="10dip">
    <TextView 
        android:layout_height="wrap_content" 
        android:layout_width="fill_parent" 
        android:id="@+id/ItemTitle" 
        android:textSize="30dip">
    </TextView>
    <TextView 
        android:layout_height="wrap_content" 
        android:layout_width="fill_parent" 
        android:id="@+id/ItemText">
    </TextView>
</LinearLayout>

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    //绑定XML中的ListView，作为Item的容器
    ListView list = (ListView) findViewById(R.id.MyListView);
    
    //生成动态数组，并且转载数据
    ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();
    for(int i=0;i<30;i++)
    {
     HashMap<String, String> map = new HashMap<String, String>();
     map.put("ItemTitle", "This is Title.....");
     map.put("ItemText", "This is text.....");
     mylist.add(map);
    }
    //生成适配器，数组===》ListItem
    SimpleAdapter mSchedule = new SimpleAdapter(this, //没什么解释
                       mylist,//数据来源 
                       R.layout.my_listitem,//ListItem的XML实现
                       
                       //动态数组与ListItem对应的子项    
                       new String[] {"ItemTitle", "ItemText"}, 
                       
                       //ListItem的XML文件里面的两个TextView ID
                       new int[] {R.id.ItemTitle,R.id.ItemText});
    //添加并且显示
    list.setAdapter(mSchedule);
}