//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"
tools:context="com.vincentlin.radiogroup.MainActivity" >
<RadioGroup
android:id="@+id/radioGroup1"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<RadioButton
android:id="@+id/radio0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="@string/male" />
<RadioButton
android:id="@+id/radio1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/female" />
</RadioGroup>
</LinearLayout>
//strings.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">RadioGroup</string>
<string name="hello_world">Hello world!</string>
<string name="action_settings">Settings</string>
<string name="male">男</string>
<string name="female">女</string>
</resources>
//MainActivity.java
package com.vincentlin.radiogroup;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
public class MainActivity extends Activity implements OnCheckedChangeListener{
private RadioGroup rg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
rg = (RadioGroup) findViewById(R.id.radioGroup1);
//实现RadionGroup的事件监听
rg.setOnCheckedChangeListener( this);
}
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.radio0:
Log.i("tag","当前为男性");
break;
case R.id.radio1:
Log.i("tag","当前为女性");
break;
default:
break;
}
}
}