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布局的代码：activity_main.xml
1 <?xml version="1.0" encoding="utf-8"?>
2
3 xmlns:tools="/tools"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 tools:context="com.sowsceo.sms.MainActivity">
7
8
10 android:layout_width="match_parent"
11 android:layout_height="match_parent">
12
13
15 android:layout_height="match_parent"
16 android:orientation="vertical">
17
18
20 android:layout_width="match_parent"
21 android:layout_height="wrap_content">
22
23
25 android:layout_width="match_parent"
26 android:layout_height="match_parent">
27
28
29
逻辑代码 ：MainActivity.java
1 importandroid.app.TabActivity;2 importandroid.content.Intent;3 importandroid.support.v7.app.AppCompatActivity;4 importandroid.os.Bundle;5 importandroid.view.View;6 importandroid.widget.TabHost;7
8 public class MainActivity extendsTabActivity {9
10 privateTabHost mTabHos;11
12 @Override13 protected voidonCreate(Bundle savedInstanceState) {14 super.onCreate(savedInstanceState);15 setContentView(R.layout.activity_main);16
17 initTabHost();18 }19
20 /**
21 * 初始化tabHost22 */
23 private voidinitTabHost() {24 mTabHos =(TabHost) findViewById(android.R.id.tabhost);25
26 addTabSpec("conversation","会话",R.drawable.tab_conversation,new Intent(this,ConversationUI.class));27 addTabSpec("folder","文件夹",R.drawable.tab_folder,new Intent(this,FolderUI.class));28 addTabSpec("group","群组",R.drawable.tab_group,new Intent(this,GroupUI.class));29
30 }31
32 /**
33 * 添加一个页签34 *@paramtag 标记35 *@paramlabel 标题36 *@paramicon 图标37 *@paramintent 指向的activity38 */
39 private void addTabSpec(String tag,String label,inticon,Intent intent){40 TabHost.TabSpec newTabSpec =mTabHos.newTabSpec(tag);41
42 newTabSpec.setIndicator(label,getResources().getDrawable(icon));43 //设置页签的标题与图标
44
45 newTabSpec.setContent(intent);46 //设置页签指向的显示内容问activity
47
48 mTabHos.addTab(newTabSpec);49 //添加页签
50 }51
52 }
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三个菜单的布局与代码
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会话布局：activity_conversation_ui.xml
1 <?xml version="1.0" encoding="utf-8"?>
2
3 xmlns:tools="/tools"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:paddingBottom="@dimen/activity_vertical_margin"
7 android:paddingLeft="@dimen/activity_horizontal_margin"
8 android:paddingRight="@dimen/activity_horizontal_margin"
9 android:paddingTop="@dimen/activity_vertical_margin"
10 tools:context="com.sowsceo.sms.ConversationUI">
11
12
14 android:layout_height="match_parent"
15 android:text="会话"
16 android:textSize="50sp"/>
17
逻辑代码：ConversationUI.java
1 importandroid.app.Activity;2 importandroid.support.v7.app.AppCompatActivity;3 importandroid.os.Bundle;4
5 /**
6 * 会话7 */
8 public class ConversationUI extendsActivity {9
10 @Override11 protected voidonCreate(Bundle savedInstanceState) {12 super.onCreate(savedInstanceState);13 setContentView(R.layout.activity_conversation_ui);14 }15 }
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布局代码：activity_folder_ui.xml
逻辑代码：FolderUI.java
1 importandroid.app.Activity;2 importandroid.support.v7.app.AppCompatActivity;3 importandroid.os.Bundle;4
5 /**
6 *7 * 创建者：风马一族8 * 时间： /8/9 19:069 * 说明：文件夹10 */
11
12 public class FolderUI extendsActivity {13
14 @Override15 protected voidonCreate(Bundle savedInstanceState) {16 super.onCreate(savedInstanceState);17 setContentView(R.layout.activity_folder_ui);18 }19 }
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布局代码：activity_group_ui.xml
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原文：/sows/p/5755274.html
