android RadioGroup的使用

创建一个MainActivity.java的主类

Xml代码
1. <?xml version="1.0" encoding="UTF-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3.     android:layout_width="fill_parent"
4.     android:layout_height="fill_parent"
5.     android:orientation="vertical">
6.     <TextView
7.         android:id="@+id/radiobutton_textview"
8.         android:layout_width="fill_parent"
9.         android:layout_height="50dip"
10.         android:textSize="18dip"
11.         android:textStyle="bold"
12.         android:background="@android:drawable/title_bar"
13.         android:textAppearance="?android:attr/textAppearanceLarge"
14.         android:gravity="center_vertical"
15.         />
16.      <RadioGroup
17.         android:id="@+id/group"
18.         android:layout_width="fill_parent"
19.         android:layout_height="wrap_content"
20.         android:orientation="vertical">
21.         <RadioButton
22.             android:id="@+id/button1"
23.             android:layout_width="fill_parent"
24.             android:layout_height="50dip"
25.             android:textSize="20dip"
26.             android:paddingLeft="30dip"
27.             android:text="Android新手"
28.             android:button="@null"
29.             android:drawableRight="@android:drawable/btn_radio"/>
30.         <View
31.             android:layout_width="fill_parent"
32.             android:layout_height="1px"
33.             android:background="?android:attr/listDivider"
34.             />
35.         <RadioButton
36.             android:id="@+id/button2"
37.             android:layout_width="fill_parent"
38.             android:layout_height="50dip"
39.             android:textSize="20dip"
40.             android:paddingLeft="30dip"
41.             android:text="Android高手"
42.             android:button="@null"
43.             android:drawableRight="@android:drawable/btn_radio"/>
44.        </RadioGroup>
45. </LinearLayout>
Xml代码
1.
Xml代码
1. <PRE class=java name="code">package endual.radio;
2.
3. import android.app.Activity;
4. import android.os.Bundle;
5. import android.widget.RadioButton;
6. import android.widget.RadioGroup;
7. import android.widget.RadioGroup.OnCheckedChangeListener;
8. import android.widget.TextView;
9.
10. public class MainActivity extends Activity {
11.     private TextView textView;
12.     private RadioGroup group;
13.
14.     private RadioButton rb1 ;
15.     private RadioButton rb2 ;
16.    /** Called when the activity is first created. */
17.       @Override
18.     public void onCreate(Bundle savedInstanceState) {
19.         super.onCreate(savedInstanceState);
20.             setContentView(R.layout.main);
21.
22.         textView = (TextView) findViewById(R.id.radiobutton_textview);
23.         group = (RadioGroup) findViewById(R.id.group);
24.
25.         this.rb1 = (RadioButton) this.findViewById(R.id.button1) ;
26.         this.rb2 = (RadioButton) this.findViewById(R.id.button2) ;
27.
28.
29.         // 单选按钮组监听事件
30.         group.setOnCheckedChangeListener(new OnCheckedChangeListener() {
31.
32.             @Override
33.                 public void onCheckedChanged(RadioGroup

补充：移动开发 , Android ,