setOnCheckedChangeListener监听check事件

clearCheck选择状态消除

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

>

android:id="@+id/myTextView"

android:layout_width="228px"

android:layout_height="49px"

android:text="@string/str_radio_question1"

android:textSize="30sp"

android:layout_x="37px"

android:layout_y="3px"

/>

android:id="@+id/myRadioGroup"

android:layout_width="137px"

android:layout_height="216px"

android:orientation="vertical"

android:layout_x="3px"

android:layout_y="54px"

>

android:id="@+id/myRadioButton1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/tr_radio_op1"

/>

android:id="@+id/myRadioButton2"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/tr_radio_op2"

/>

android:onClick="bt"

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Button" />

package com.example.radiogroup;

import android.os.Bundle;

import android.support.v7.app.ActionBarActivity;

import android.view.View;

import android.widget.RadioButton;

import android.widget.RadioGroup;

import android.widget.RadioGroup.OnCheckedChangeListener;

import android.widget.TextView;

public class MainActivity extends ActionBarActivity {

public TextView mTextView1;

public RadioGroup mRadioGroup1;

public RadioButton mRadio1,mRadio2;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

mTextView1 = (TextView) findViewById(R.id.myTextView);

mRadioGroup1 = (RadioGroup) findViewById(R.id.myRadioGroup);

mRadio1 = (RadioButton) findViewById(R.id.myRadioButton1);

mRadio2 = (RadioButton) findViewById(R.id.myRadioButton2);

mRadioGroup1.setOnCheckedChangeListener(new OnCheckedChangeListener() {

@Override

public void onCheckedChanged(RadioGroup group, int checkedId) {

// TODO Auto-generated method stub

if(mRadio1.getId() == checkedId){

mTextView1.setText("nan");

}else{

mTextView1.setText("nv");

}

}

});

}

public void bt(View view){

//将选择状态消除掉

mRadioGroup1.clearCheck();

}

}