android+通过菜单跳转页面,【风马一族_Android】通过菜单的点击，跳转到不同界面...

╰半橙微兮° 2022-10-17 11:19 184阅读 0赞

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布局的代码：activity\_main.xml

1 <?xml version="1.0" encoding="utf-8"?>

3 xmlns:tools="http://schemas.android.com/tools"

4 android:layout\_width="match\_parent"

5 android:layout\_height="match\_parent"

6 tools:context="com.sowsceo.sms.MainActivity">

10 android:layout\_width="match\_parent"

11 android:layout\_height="match\_parent">

15 android:layout\_height="match\_parent"

16 android:orientation="vertical">

20 android:layout\_width="match\_parent"

21 android:layout\_height="wrap\_content">

25 android:layout\_width="match\_parent"

26 android:layout\_height="match\_parent">

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

45 newTabSpec.setContent(intent);46 //设置页签指向的显示内容问activity

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"?>

3 xmlns:tools="http://schemas.android.com/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">

14 android:layout\_height="match\_parent"

15 android:text="会话"

16 android:textSize="50sp"/>

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： 2016/8/9 19:069 \* 说明：文件夹10 \*/

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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