1 TextView tv = null ; // 根据不同选项所要变更的文本控件 2 @Override 3 public void onCreate(Bundle savedInstanceState) { 4 super.onCreate(savedInstanceState); 5 6 setContentView(R.layout.main); 7 8 // 根据ID找到该文本控件 9 tv = (TextView) this .findViewById(R.id.tvSex); 10 // 根据ID找到RadioGroup实例 11 RadioGroup group = (RadioGroup) this .findViewById(R.id.radioGroup); 12 // 绑定一个匿名监听器 13 group.setOnCheckedChangeListener( new OnCheckedChangeListener() { 14 15 @Override 16 public void onCheckedChanged(RadioGroup arg0, int arg1) { 17 // TODO Auto-generated method stub 18 // 获取变更后的选中项的ID 19 int radioButtonId = arg0.getCheckedRadioButtonId(); 20 // 根据ID获取RadioButton的实例 21 RadioButton rb = (RadioButton)MyActiviy. this .findViewById(radioButtonId); 22 // 更新文本内容...