Android基础：十八般武器之TabHost

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main.xml

<?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="fill_parent" android:layout_height="fill_parent"><LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"  ><FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"/><TabWidget  android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="0"/></LinearLayout></TabHost>

tab1.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="这里是tab1" /></LinearLayout>

tab2.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="这里是tab2" /></LinearLayout>

TabHostActivity.java

package com.edu.tabhost;import android.app.TabActivity;import android.content.Intent;import android.os.Bundle;import android.widget.TabHost;public class TabHostActivity extends TabActivity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        tabInit();    }    public void tabInit(){    TabHost th = this.getTabHost();//实例化TabHost    //第一个标签    Intent i1 = new Intent();    i1.setClass(this, tab1activity.class);    TabHost.TabSpec ts1 = th.newTabSpec("tab1");//创建标签项    ts1.setIndicator("标签1");//设置指示器文本    ts1.setContent(i1);//填充布局    th.addTab(ts1);//填加到TabHost    //第二个标签    Intent i2 = new Intent();    i2.setClass(this, tab2activity.class);    TabHost.TabSpec ts2 = th.newTabSpec("tab2");//创建标签项    ts2.setIndicator("标签2");//设置指示器文本    ts2.setContent(i2);//填充布局    th.addTab(ts2);//填加到TabHost    //默认标签     th.setCurrentTab(0);    }}

tab1activity.java

package com.edu.tabhost;import android.app.Activity;import android.os.Bundle;public class tab1activity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsetContentView(R.layout.tab1);super.onCreate(savedInstanceState);}}

tab2activity.java

package com.edu.tabhost;import android.app.Activity;import android.os.Bundle;public class tab2activity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsetContentView(R.layout.tab2);super.onCreate(savedInstanceState);}}

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