获取RadioGroup的选定值

1.获取RadioGroup控件:
RadioGroup radioGroup = (RadioGroup)findViewById(R.id.myRadioGroup);

2.获取RadioButton控件:
RadioButton radioButton = (RadioButton)findViewById(radioGroup.getCheckedRadioButtonId());
getCheckedRadioButtonId()必须在RadioButton选中之后调用,否则空指针异常。

3.获取选中的radio的值:
String text = radioButton.getText().toString();

Read More