单选按钮RadioButton及同时选择两个关联button的实现

#//Activity_Main.xml#
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.wl.radiobutton.MainActivity" >

<RadioGroup
android:id="@+id/radioGroupId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/manButtonId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="男"/>
<RadioButton
android:id="@+id/womenButtonId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="女"/>
</RadioGroup>

<RadioGroup
android:id="@+id/engradioGroupId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/engmanButtonId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="man"/>
<RadioButton
android:id="@+id/engwomenButtonId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="women"/>
</RadioGroup>
</LinearLayout>

#//MainActivity.java#
package com.wl.radiobutton;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;

public class MainActivity extends Activity {

private RadioGroup radioGroup;
private RadioButton manButton;
private RadioButton womenButton;
private RadioGroup engradioGroup;
private RadioButton engmanButton;
private RadioButton engwomenButton;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

radioGroup = (RadioGroup)findViewById(R.id.radioGroupId);
manButton = (RadioButton)findViewById(R.id.manButtonId);
womenButton = (RadioButton)findViewById(R.id.womenButtonId);
engradioGroup = (RadioGroup)findViewById(R.id.engradioGroupId);
engmanButton = (RadioButton)findViewById(R.id.engmanButtonId);
engwomenButton = (RadioButton)findViewById(R.id.engwomenButtonId);

RadioGroupListener listener = new RadioGroupListener();
radioGroup.setOnCheckedChangeListener(listener);
engradioGroup.setOnCheckedChangeListener(listener);
}

class RadioGroupListener implements OnCheckedChangeListener{

@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
if(checkedId == manButton.getId()){
engmanButton.setChecked(true);
}
else if(checkedId == womenButton.getId()){
engwomenButton.setChecked(true);
}
else if(checkedId == engmanButton.getId()){
manButton.setChecked(true);
}
else if(checkedId == engwomenButton.getId()){
womenButton.setChecked(true);
}
}

}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}