系统自定义的TabWidget(居于底部)---附源码

 

android:layout_alignParentBottom="true"
 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:orientation="vertical" android:layout_width="fill_parent"
	android:layout_height="fill_parent">
	<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="tab1" />
				</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="tab2" />
				</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="tab3" />
				</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="tab4" />
				</LinearLayout>

			</FrameLayout>
		</RelativeLayout>
	</TabHost>
</LinearLayout>

 

Main.java

public class Main extends Activity {
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.main);
		setTitle("TabWidget居于底部");
		setTitleColor(Color.YELLOW);

		Resources res = getResources();

		TabHost tabhost = (TabHost) findViewById(R.id.tabhost);
		tabhost.setup();

		TabHost.TabSpec spec = tabhost.newTabSpec("tab1");
		spec.setContent(R.id.tab1);
		spec.setIndicator("待办", res.getDrawable(R.drawable.menu_1));
		tabhost.addTab(spec);

		spec = tabhost.newTabSpec("tab2");
		spec.setContent(R.id.tab2);
		spec.setIndicator("公告", res.getDrawable(R.drawable.menu_2));
		tabhost.addTab(spec);

		spec = tabhost.newTabSpec("tab3");
		spec.setContent(R.id.tab3);
		spec.setIndicator("邮件", res.getDrawable(R.drawable.menu_3));
		tabhost.addTab(spec);

		spec = tabhost.newTabSpec("tab4");
		spec.setContent(R.id.tab4);
		spec.setIndicator("设置", res.getDrawable(R.drawable.menu_4));
		tabhost.addTab(spec);

		tabhost.setCurrentTab(0);
	}
}