实例讲解Android应用开发中TabHost的使用要点

package zyf.tab.test; import android.app.TabActivity; public class MyTab extends TabActivity { }

package zyf.tab.test;import android.app.TabActivity;import android.os.Bundle;public class MyTab extends TabActivity {  @Override  protected void onCreate(Bundle savedInstanceState) {    // TODO Auto-generated method stub    super.onCreate(savedInstanceState);  }}

<activity android:name=".MyTab">  <intent-filter>    <action android:name="android.intent.action.MAIN"></action>    <category android:name="android.intent.category.LAUNCHER"></category>  </intent-filter></activity>

<?xml version="1.0" encoding="utf-8"?><!-- 这里是根节点布局 -- ><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="fill_parent" android:layout_height="fill_parent"> <!-- 第一个Tab 对应的布局 -- >  <LinearLayout android:id="@+id/widget_layout_Blue"    android:layout_width="fill_parent" android:layout_height="fill_parent"    androidrientation="vertical" >    <EditText android:id="@+id/widget34" android:layout_width="fill_parent"      android:layout_height="wrap_content" android:text="EditText"      android:textSize="18sp">    </EditText>    <Button android:id="@+id/widget30" android:layout_width="wrap_content"      android:layout_height="wrap_content" android:text="Button">    </Button>  </LinearLayout><!-- 第二个Tab 对应的布局 -- >  <LinearLayout android:id="@+id/widget_layout_red"    android:layout_width="fill_parent" android:layout_height="fill_parent"    androidrientation="vertical" >    <AnalogClock android:id="@+id/widget36"      android:layout_width="wrap_content" android:layout_height="wrap_content">    </AnalogClock>  </LinearLayout><!-- 第三个Tab 对应的布局 -- >  <LinearLayout android:id="@+id/widget_layout_green"    android:layout_width="fill_parent" android:layout_height="fill_parent"    androidrientation="vertical">    <RadioGroup android:id="@+id/widget43"      android:layout_width="166px" android:layout_height="98px"      androidrientation="vertical">      <RadioButton android:id="@+id/widget44"        android:layout_width="wrap_content" android:layout_height="wrap_content"        android:text="RadioButton">      </RadioButton>      <RadioButton android:id="@+id/widget45"        android:layout_width="wrap_content" android:layout_height="wrap_content"        android:text="RadioButton">      </RadioButton>    </RadioGroup>  </LinearLayout></FrameLayout>

private TabHost myTabhost;myTabhost=this.getTabHost();//从TabActivity上面获取放置Tab的TabHostLayoutInflater.from(this).inflate(R.layout.main, myTabhost.getTabContentView(), true);//from(this)从这个TabActivity获取LayoutInflater//R.layout.main 存放Tab布局//通过TabHost获得存放Tab标签页内容的FrameLayout//是否将inflate 拴系到根布局元素上myTabhost.setBackgroundColor(Color.argb(150, 22, 70, 150));//设置一下TabHost的颜色

myTabhost.addTab(myTabhost.newTabSpec("TT")// 制造一个新的标签TT   .setIndicator("KK",getResources().getDrawable(R.drawable.ajjc))            // 设置一下显示的标题为KK，设置一下标签图标为ajjc            .setContent(R.id.widget_layout_red));    //设置一下该标签页的布局内容为R.id.widget_layout_red，这是FrameLayout中的一个子Layout

myTabhost.setOnTabChangedListener(new OnTabChangeListener(){      @Override      public void onTabChanged(String tabId) {        // TODO Auto-generated method stub      }          });

private static final int myMenuResources[] = { R.menu.phonebook_menu,      R.menu.addphone_menu, R.menu.chatting_menu, R.menu.userapp_menu };

Override  public void onTabChanged(String tagString) {    // TODO Auto-generated method stub    if (tagString.equals("One")) {      myMenuSettingTag = 1;    }    if (tagString.equals("Two")) {      myMenuSettingTag = 2;    }    if (tagString.equals("Three")) {      myMenuSettingTag = 3;    }    if (tagString.equals("Four")) {      myMenuSettingTag = 4;    }    if (myMenu != null) {      onCreateOptionsMenu(myMenu);    }  }

  @Override  public boolean onCreateOptionsMenu(Menu menu) {    // TODO Auto-generated method stub    // Hold on to this    myMenu = menu;    myMenu.clear();//清空MENU菜单    // Inflate the currently selected menu XML resource.    MenuInflater inflater = getMenuInflater();    //从TabActivity这里获取一个MENU过滤器    switch (myMenuSettingTag) {    case 1:      inflater.inflate(myMenuResources[0], menu);      //动态加入数组中对应的XML MENU菜单      break;    case 2:      inflater.inflate(myMenuResources[1], menu);      break;    case 3:      inflater.inflate(myMenuResources[2], menu);      break;    case 4:      inflater.inflate(myMenuResources[3], menu);      break;    default:      break;    }    return super.onCreateOptionsMenu(menu);  }

<?xml version="1.0" encoding="utf-8"?><menu xmlns:android="http://schemas.android.com/apk/res/android"><group android:id="@+id/group_a"><item android:id="@+id/item_a" android:icon="@drawable/gimp" android:title="Gimp"></item></group></menu>

<?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.com/apk/res/android"   android:id="@android:id/tabhost"   android:layout_width="match_parent"   android:layout_height="match_parent" >    <LinearLayout     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical" >      <FrameLayout       android:id="@android:id/tabcontent"       android:layout_width="match_parent"       android:layout_height="0.0dip"       android:layout_weight="1.0" >     </FrameLayout>      <TabWidget       android:id="@android:id/tabs"       android:layout_width="match_parent"       android:layout_height="wrap_content"       android:visibility="gone" >     </TabWidget>      <RadioGroup       android:layout_width="match_parent"       android:layout_height="wrap_content"       android:layout_gravity="bottom"       android:background="@android:color/black"       android:orientation="horizontal" >        <RadioButton         android:id="@+id/talk"         style="@style/rbt_bottom"         android:drawableTop="@drawable/take_bottom"         android:text="@string/talk" />        <RadioButton         android:id="@+id/address"         style="@style/rbt_bottom"         android:drawableTop="@drawable/adrress_bottom"         android:text="@string/address" />        <RadioButton         android:id="@+id/find"         style="@style/rbt_bottom"         android:drawableTop="@drawable/find_bottom"         android:text="@string/find" />        <RadioButton         android:id="@+id/me"         style="@style/rbt_bottom"         android:drawableTop="@drawable/me_bottom"         android:text="@string/me" />     </RadioGroup>   </LinearLayout>  </TabHost> 

<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:drawable="@drawable/n_address_l" android:state_checked="true" android:state_enabled="true"/>   <item android:drawable="@drawable/n_address_h"/>  </selector> 

package com.android.xiong.bkclient;  import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.RadioButton; import android.widget.TabHost;  @SuppressWarnings("deprecation") public class MainActivity extends TabActivity implements     OnCheckedChangeListener {    private TabHost tabHost;   private Intent addressIntent;   private Intent meIntent;   private Intent takeIntent;   private Intent findIntent;    private RadioButton findBt;   private RadioButton addressBt;   private RadioButton meBt;   private RadioButton takeBt;    @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.tabhostmain);     addressIntent = new Intent(this, AddressActivity.class);     meIntent = new Intent(this, MeActivity.class);     takeIntent = new Intent(this, TakeActivity.class);     findIntent = new Intent(this, FindActivity.class);     findBt = (RadioButton) findViewById(R.id.find);     addressBt = (RadioButton) findViewById(R.id.address);     meBt = (RadioButton) findViewById(R.id.me);     takeBt = (RadioButton) findViewById(R.id.talk);     tabHost =getTabHost();     tabHost.addTab(tabHost.newTabSpec("take").setIndicator("take")         .setContent(takeIntent));     tabHost.addTab(tabHost.newTabSpec("address").setIndicator("address")         .setContent(addressIntent));     tabHost.addTab(tabHost.newTabSpec("find").setIndicator("find")         .setContent(findIntent));     tabHost.addTab(tabHost.newTabSpec("me").setIndicator("me")         .setContent(meIntent));     findBt.setOnCheckedChangeListener(this);     meBt.setOnCheckedChangeListener(this);     takeBt.setOnCheckedChangeListener(this);     addressBt.setOnCheckedChangeListener(this);   }    @Override   public void onCheckedChanged(CompoundButton view, boolean ischeak) {     if (ischeak) {       switch (view.getId()) {       case R.id.talk:         tabHost.setCurrentTabByTag("take");         break;       case R.id.find:         tabHost.setCurrentTabByTag("find");         break;       case R.id.me:         tabHost.setCurrentTabByTag("me");         break;       case R.id.address:         tabHost.setCurrentTabByTag("address");         break;       default:         break;       }     }    } } 

<manifest xmlns:android="http://schemas.android.com/apk/res/android"   package="com.android.xiong.bkclient"   android:versionCode="1"   android:versionName="1.0" >    <uses-sdk     android:minSdkVersion="8"     android:targetSdkVersion="19" />    <application     android:allowBackup="true"     android:icon="@drawable/ic_launcher"     android:label="@string/app_name"     android:theme="@style/AppTheme" >     <activity android:name="com.android.xiong.bkclient.MainActivity">       <intent-filter>         <action android:name="android.intent.action.MAIN" />          <category android:name="android.intent.category.LAUNCHER" />       </intent-filter>     </activity>     <activity android:name="com.android.xiong.bkclient.AddressActivity"></activity>     <activity android:name="com.android.xiong.bkclient.FindActivity"></activity>     <activity android:name="com.android.xiong.bkclient.MeActivity"></activity>     <activity android:name="com.android.xiong.bkclient.TakeActivity"></activity>   </application>  </manifest>