Android使用ListView控件问题

Android使用ListView控件问题：

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开发环境：android 1.6 最低兼容 4.0

报错代码如下：

main.xml

 1 <?xml version="1.0" encoding="utf-8"?>  
 2 <LinearLayout    
 3         android:id="@+id/LinearLayout01"    
 4         android:layout_width="fill_parent"    
 5         android:layout_height="fill_parent"    
 6         xmlns:android="http://schemas.android.com/apk/res/android">  
 7            
 8         <ListView android:layout_width="wrap_content"    
 9                   android:layout_height="wrap_content"    
10                  android:id="@+id/代码 1 public class listview extends ListActivity {
 2     /** Called when the activity is first created. */ 
 3    private ListView listv;
 4     @Override
 5     public void onCreate(Bundle savedInstanceState) {
 6          super.onCreate(savedInstanceState);
 7             setContentView(R.layout.main);
 8       listv = (ListView) findViewById(R.id.mylistview);   
 9           
10    //生成动态数组，并且转载数据   
11    ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();   
12    for(int i=0;i<30;i++)   
13   {   
14        HashMap<String, String> map = new HashMap<String, String>();   
15         map.put("ItemTitle", "This is Title"+i);   
16         map.put("ItemText", "This is text "+i);   
17           mylist.add(map);   
18        }   
19            //生成适配器，数组===》ListItem   
20        SimpleAdapter mSchedule = new SimpleAdapter(this, //没什么解释   
21                                                   mylist,//数据来源    
22                                                   R.layout.my_listitem,//ListItem的XML实现   
23                                                            
24                                                   //动态数组与ListItem对应的子项           
25                                                 new String[] {"ItemTitle", "ItemText"},    
26                                                           
27                                                   //ListItem的XML文件里面的两个TextView ID   
28                                                    new int[] {R.id.ItemTitle,R.id.ItemText});   
29         //添加并且显示   
30        listv.setAdapter(mSchedule);   
31 
32 
33     
34     }
35  }">  
11         </ListView>  
12 </Linear

listview的布局文件 my_listview.xml

 1 <?xml version="1.0" encoding="utf-8"?>  
 2 <LinearLayout    
 3        android:layout_width="fill_parent"    
 4        xmlns:android="http://schemas.android.com/apk/res/android"    
 5        android:orientation="vertical"  
 6         android:layout_height="wrap_content"    
 7        android:id="@+id/MyListItem"    
 8         android:paddingBottom="3dip"    
 9        android:paddingLeft="10dip">  
10       <TextView    
11                 android:layout_height="wrap_content"    
12                 android:layout_width="fill_parent"    
13                android:id="@+id/ItemTitle"    
14                android:textSize="30dip">  
15         </TextView>  
16         <TextView    
17                 android:layout_height="wrap_content"    
18                 android:layout_width="fill_parent"    
19                 android:id="@+id/ItemText">  
20         </TextView>  
21 </LinearLayout>  
22

java代码

修改后的main.xml:

修改后的java

 1 public class listview extends ListActivity {
 2     /** Called when the activity is first created. */ 
 3    private ListView listv;
 4     @Override
 5     public void onCreate(Bundle savedInstanceState) {
 6          super.onCreate(savedInstanceState);
 7             setContentView(R.layout.main);  
 8          listv = (ListView) findViewById(android.R.id.list);    
 9    //生成动态数组，并且转载数据   
10    ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();   
11    for(int i=0;i<30;i++)   
12   {   
13        HashMap<String, String> map = new HashMap<String, String>();   
14         map.put("ItemTitle", "This is Title"+i);   
15         map.put("ItemText", "This is text "+i);   
16           mylist.add(map);   
17        }   
18            //生成适配器，数组===》ListItem   
19        SimpleAdapter mSchedule = new SimpleAdapter(this, //没什么解释   
20                                                   mylist,//数据来源    
21                                                   R.layout.my_listitem,//ListItem的XML实现   
22                                                            
23                                                   //动态数组与ListItem对应的子项           
24                                                 new String[] {"ItemTitle", "ItemText"},    
25                                                           
26                                                   //ListItem的XML文件里面的两个TextView ID   
27                                                    new int[] {R.id.ItemTitle,R.id.ItemText});   
28         //添加并且显示   
29        listv.setAdapter(mSchedule);   
30 
31 
32     
33     }
34  }