AlertDialog的写法

 1 public void onItemClick(AdapterView<?> parent, View view, int position,long id) {
 2         AlertDialog.Builder builder = new AlertDialog.Builder(this);
 3         builder.setTitle("选项");
 4         builder.setItems(R.array.choice, new DialogInterface.OnClickListener() {
 5             @Override
 6             public void onClick(DialogInterface dialog, int which) {
 7                 switch(which) {
 8                 case 0:
 9                     break;
10                 case 1:
11                     break;
12                 case 2:
13                     break;
14                 }
15                 
16             }
17         });
18         builder.setNegativeButton("取消", null);
19         builder.create().show();
20         
21     }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <resources>
 3 
 4     <string name="app_name">AppExplorer</string>
 5     <string name="hello_world">Hello world!</string>
 6     <array name ="choice">
 7         <item name="start">启动程序</item>
 8         <item name="detail">详细信息</item>
 9         <item name="uninstall">卸载</item>
10     </array>
11 </resources>