Android简单实现屏幕下方Tab菜单的方法

<?xml version="1.0" encoding="utf-8"?>
<TabHost android:id="@+id/tabhost" xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="fill_parent">
  <RelativeLayout android:orientation="vertical"
    android:layout_width="fill_parent" android:layout_height="fill_parent">
    <TabWidget android:id="@android:id/tabs"
      android:layout_width="fill_parent" android:layout_height="wrap_content"
      android:layout_alignParentBottom="true" />
    <FrameLayout android:id="@android:id/tabcontent"
      android:layout_width="fill_parent" android:layout_height="fill_parent">
      <LinearLayout android:id="@+id/tab1"
        android:layout_width="fill_parent" android:layout_height="fill_parent"
        androidrientation="vertical">
        <TextView android:id="@+id/view1" android:layout_width="wrap_content"
          android:layout_height="wrap_content" android:text="@string/textView_1" />
      </LinearLayout>
      <LinearLayout android:id="@+id/tab2"
        android:layout_width="fill_parent" android:layout_height="fill_parent"
        androidrientation="vertical">
        <TextView android:id="@+id/view2" android:layout_width="wrap_content"
          android:layout_height="wrap_content" android:text="@string/textView_2" />
      </LinearLayout>
      <LinearLayout android:id="@+id/tab3"
        android:layout_width="fill_parent" android:layout_height="fill_parent"
        androidrientation="vertical">
        <TextView android:id="@+id/view3" android:layout_width="wrap_content"
          android:layout_height="wrap_content" android:text="@string/textView_3" />
      </LinearLayout>
      <LinearLayout android:id="@+id/tab4"
        android:layout_width="fill_parent" android:layout_height="fill_parent"
        androidrientation="vertical">
        <TextView android:id="@+id/view4" android:layout_width="wrap_content"
          android:layout_height="wrap_content" android:text="@string/textView_4" />
      </LinearLayout>
    </FrameLayout>
  </RelativeLayout>
</TabHost>

package net.zhnews.android;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TabHost;
public class zhnews extends Activity {
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);
    setTitle("珠海新闻网Android客户端");
    TabHost tabs = (TabHost) findViewById(R.id.tabhost);
    tabs.setup();
    TabHost.TabSpec spec = tabs.newTabSpec("tab1");
    spec.setContent(R.id.tab1);
    spec.setIndicator("新闻");
    tabs.addTab(spec);
    spec = tabs.newTabSpec("tab2");
    spec.setContent(R.id.tab2);
    spec.setIndicator("搜联社");
    tabs.addTab(spec);
    spec = tabs.newTabSpec("tab3");
    spec.setContent(R.id.tab3);
    spec.setIndicator("影像");
    tabs.addTab(spec);
    spec = tabs.newTabSpec("tab4");
    spec.setContent(R.id.tab4);
    spec.setIndicator("设置");
    tabs.addTab(spec);
    tabs.setCurrentTab(0);
  }
}