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android之RadioGroup

radioGroup这控件在开发中也是常用到的

RadioGroup 有时候比较有用．主要特征是给用户提供多选一机制。

用微信举一个例子吧！

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="50dp"
 5     android:paddingLeft="@dimen/activity_horizontal_margin"
 6     android:paddingRight="@dimen/activity_horizontal_margin"
 7     android:orientation="horizontal"  
 8     android:background="#383A37"
 9     >
10 
11     <TextView
12         android:id="@+id/textView1"
13         android:layout_gravity="center"
14         android:layout_width="wrap_content"
15         android:layout_height="wrap_content"
16         android:textColor="@color/white"
17         android:textSize="18sp"
18         android:text="@string/weixin" />
19 
20     <TextView
21         android:id="@+id/textView2"
22         android:layout_weight="1"
23         android:layout_width="wrap_content"
24         android:layout_height="match_parent"
25         android:text="@string/blank" />
26     
27     <LinearLayout
28         android:layout_width="wrap_content"
29         android:layout_height="wrap_content" 
30         android:orientation="horizontal"
31         android:layout_gravity="center_vertical|center_horizontal">
32 
33          <ImageView
34              android:id="@+id/imageView1"
35              android:layout_width="30dp"
36              android:layout_height="30dp"
37              android:gravity="center_vertical"
38              android:src="@drawable/fdj" 
39              android:layout_marginRight="10dp"/>
40          
41         <ImageView
42             android:id="@+id/imageView2"
43             android:layout_width="30dp"
44             android:layout_height="30dp"
45              android:gravity="center_vertical"
46             android:src="@drawable/barbuttonicon_add"
47             android:layout_marginRight="10dp" />
48      </LinearLayout>
49      
50 </LinearLayout>

head.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:paddingLeft="@dimen/activity_horizontal_margin"
 4     android:paddingRight="@dimen/activity_horizontal_margin"
 5     android:paddingTop="@dimen/activity_horizontal_margin"
 6     android:layout_width="match_parent"
 7     android:layout_height="wrap_content"
 8     android:orientation="horizontal" >
 9 
10     <RadioGroup
11         android:id="@+id/radioGroup1"
12         android:layout_width="match_parent"
13         android:layout_height="wrap_content" 
14         android:orientation="horizontal"
15       >
16 
17         <RadioButton
18             android:id="@+id/radio0"
19             android:checked="true"
20             style="@style/radioStyle"
21             android:drawableTop="@drawable/radio_weixin_check"
22             android:textColor="@drawable/radio_color_check"
23             android:text="@string/weixin"  />
24 
25         <RadioButton
26             android:id="@+id/radio1"
27             style="@style/radioStyle"
28             android:drawableTop="@drawable/radio_tongxunlu_check"
29             android:textColor="@drawable/radio_color_check"
30             android:text="@string/tongxunlu" />
31 
32         <RadioButton
33             android:id="@+id/radio2"
34             style="@style/radioStyle"
35             android:drawableTop="@drawable/radio_faxian_check"
36             android:textColor="@drawable/radio_color_check"
37             android:text="@string/faxian" />
38         
39         <RadioButton
40             android:id="@+id/radio3"
41             style="@style/radioStyle"
42             android:drawableTop="@drawable/radio_wo_check"
43             android:textColor="@drawable/radio_color_check"
44             android:text="@string/wo" />
45     </RadioGroup>
46 
47 </LinearLayout>

下面是微信底部的文件

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3     <item android:state_checked="false"  android:color="#A0A0A0"></item>
4      <item android:state_checked="true"   android:color="#45C01b"></item>
5 </selector>

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3      <item android:state_checked="false" android:drawable="@drawable/tabbar_discover"></item>
4       <item android:state_checked="true" android:drawable="@drawable/tabbar_discoverhl"></item>
5  </selector>

后三个同上就不展开了

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3     <item android:state_checked="false" android:drawable="@drawable/tabbar_mainframe"></item>
4      <item android:state_checked="true" android:drawable="@drawable/tabbar_mainframehl"></item>
5  </selector>

radio_weixin_check

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3     <item android:state_checked="false" android:drawable="@drawable/tabbar_me"></item>
4      <item android:state_checked="true" android:drawable="@drawable/tabbar_mehl"></item>
5 </selector>

radio_wo_check

1 <?xml version="1.0" encoding="utf-8"?>
2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
3      <item android:state_checked="false" android:drawable="@drawable/tabbar_contacts"></item>
4       <item android:state_checked="true" android:drawable="@drawable/tabbar_contacts_hl"></item>
5  </selector>

radio_tongxunlu_check

mainXML配置

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical"
 6     tools:context="com.main.weixin.MainActivity" >
 7 
 8     <!-- 头部 -->
 9     <LinearLayout
10         android:id="@+id/linearLayout1"
11         android:layout_width="match_parent"
12         android:layout_height="wrap_content"
13       >
14         
15         <include layout="@layout/head"/>
16           
17     </LinearLayout>
18 
19     
20     <!-- 中间 -->
21     <LinearLayout
22         android:layout_weight="1"
23         android:layout_width="match_parent"
24         android:layout_height="match_parent">
25         
26          <include layout = "@layout/listview_layout"></include>
27         
28     </LinearLayout>
29 
30     
31     
32     <!-- 尾部 -->
33     <LinearLayout
34         android:layout_width="match_parent"
35         android:layout_height="wrap_content"
36       >
37         
38         <include layout="@layout/bottom"/>
39         
40     </LinearLayout>
41 </LinearLayout>

效果如下

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原文地址：https://www.cnblogs.com/lgk1002/p/6111334.html