android listview multi choice arrayadapter

1. import android.app.Activity;  
2. import android.os.Bundle;  
3. import android.view.View;  
4. import android.widget.AdapterView;  
5. import android.widget.AdapterView.OnItemClickListener;  
6. import android.widget.AdapterView.OnItemSelectedListener;  
7. import android.widget.ArrayAdapter;  
8. import android.widget.ListView;  
9. public class ListCheckbox extends Activity implements OnItemClickListener,OnItemSelectedListener{  
10.     private String contentString[];  
11.     ArrayAdapter arrayAdapter;  
12.     ListView mylist;  
13.     protected void onCreate(Bundle savedInstanceState) {  
14.         // TODO Auto-generated method stub  
15.         super.onCreate(savedInstanceState);  
16.         setContentView(R.layout.main);  
17.         contentString = new String[] {   
18.                 "示例", "透明动画",  
19.                 "伸缩动画", "移动动画",  
20.                 "旋转动画", "透明_伸缩",  
21.                 "透明_移动", "透明_旋转"  
22.                   
23.     };  
24.         arrayAdapter = new ArrayAdapter<String>(this,  
25.                 android.R.layout.simple_list_item_multiple_choice,//.simple_list_item_single_choice,  
26.                 contentString);  
27.         mylist = (ListView) findViewById(R.id.ListView01);  
28.         mylist.setAdapter(arrayAdapter);  
29.         mylist.setOnItemClickListener(this);  
30.         mylist.setOnItemSelectedListener(this);  
31.         mylist.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);//.CHOICE_MODE_SINGLE);  
32.         mylist.setItemChecked(0, true);  
33.     }  
34.     public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,long arg3) {  
35.         mylist.setItemChecked(arg2, true);  
36.           
37.     }  
38.     public void onNothingSelected(AdapterView<?> arg0) {  
39.         // TODO Auto-generated method stub  
40.           
41.     }  
42.     public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {  
43.         // TODO Auto-generated method stub  
44.           
45.     }      
46. }  

How to Get Checked Item list  ?


SparseBooleanArray checked = list.getCheckedItemPositions();

for (int i = 0; i < list.getAdapter().getCount(); i++) {
    if (checked.get(i)) {
        // Do something
    }
}