xml方式的 android的 tabhost用法实例

package com.oschina.osmf.study;


import android.os.Bundle;
import android.view.Gravity;
import android.widget.TabHost;
import android.widget.TabHost.OnTabChangeListener;
import android.widget.Toast;


import com.oschina.osmf.BaseActivity;
import com.oschina.osmf.R;


public class StudyTabHostActivity extends BaseActivity {


	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.studytabhost);
		TabHost host = (TabHost) findViewById(R.id.tabhost);
		host.setup();


		TabHost.TabSpec homeSpec = host.newTabSpec("Home"); // This param will
															// be used as tabId.
		homeSpec.setIndicator(null,// This param will diplay as title.
				getResources().getDrawable(R.drawable.buju));
		homeSpec.setContent(R.id.tab1);
		host.addTab(homeSpec);


		TabHost.TabSpec garbageSpec = host.newTabSpec("Garbage");
		garbageSpec.setIndicator(null,getResources().getDrawable


		(R.drawable.buju));
		garbageSpec.setContent(R.id.tab2);
		host.addTab(garbageSpec);


		TabHost.TabSpec maybeSpec = host.newTabSpec("Help");
		maybeSpec.setIndicator(null,getResources().getDrawable


		(R.drawable.buju));
		maybeSpec.setContent(R.id.tab3);
		host.addTab(maybeSpec);


		host.setOnTabChangedListener(new OnTabChangeListener() {


			@Override
			public void onTabChanged(String tabId) {
				// TODO Auto-generated method stub
				Toast toast = Toast.makeText(StudyTabHostActivity.this,tabId,Toast.LENGTH_SHORT);
				toast.setGravity(Gravity.CENTER_HORIZONTAL,50);
				toast.show();
			}
		});


		// host.setCurrentTabByTag("Home");
		Toast toast = Toast.makeText(StudyTabHostActivity.this,"Home",Toast.LENGTH_SHORT);
		toast.setGravity(Gravity.CENTER_HORIZONTAL,50);
		toast.show();
	}
}

<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tabhost"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <RelativeLayout
        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" >
        </TabWidget>
        <!-- set the tab body attributes -->

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="match_parent"
            android:layout_height="match_parent" >

            <LinearLayout
                android:id="@+id/tab1"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:orientation="vertical"
                android:paddingTop="20dip" >

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center" />
            </LinearLayout>

            <LinearLayout
                android:id="@+id/tab2"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:orientation="vertical"
                android:paddingTop="20dip" >

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center" />
            </LinearLayout>

            <LinearLayout
                android:id="@+id/tab3"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:orientation="vertical"
                android:paddingTop="20dip" >

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center" />
            </LinearLayout>
        </FrameLayout>
    </RelativeLayout>

</TabHost>

（编辑：李大同）

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