动态添加RADIOBUTTON

 5 private LinearLayout layout; //布局 ， 可以在xml布局中获得
 6  private RadioGroup group ; //点选按钮组
 7  
 8     public void onCreate(Bundle savedInstanceState) {
 9         super.onCreate(savedInstanceState);
10         
11         layout = new LinearLayout(this); //实例化布局对象
12         
13         group = new RadioGroup(this); //实例化单选按钮组
14         
15         //添加单选按钮
16         for(int i = 0 ; i < 5 ; i++){
17          RadioButton radio = new RadioButton(this);
18          radio.setText("radio" + i);
19          group.addView(radio);
20         }
21         
22         //将单选按钮组添加到布局中
23         layout.addView(group);
24         
25         this.setContentView(layout);
26     }