android TabHost 使用

package com.android.tabhost;

import android.app.TabActivity;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.widget.TabHost;
import android.widget.TabHost.OnTabChangeListener;

public class TabActivtiy extends TabActivity{
private String TAG="==TabActivtiy=";
private TabHost mHost;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mHost=getTabHost();
LayoutInflater.from(this).inflate(R.layout.main,mHost.getTabContentView(),true);
mHost.setBackgroundColor(Color.argb(80, 128,128,128));
mHost.addTab(mHost.newTabSpec("aa").setIndicator("aaaaaa", getResources().getDrawable(R.drawable.icon)).setContent(R.id.one));
mHost.addTab(mHost.newTabSpec("bb").setIndicator("bbbbbb", getResources().getDrawable(R.drawable.icon)).setContent(R.id.two));
mHost.addTab(mHost.newTabSpec("cc").setIndicator("cccccc", getResources().getDrawable(R.drawable.icon)).setContent(R.id.three));
mHost.setOnTabChangedListener(new OnTabChangeListener() {

@Override
public void onTabChanged(String tabId) {

Log.i(TAG, "=tabId="+tabId);//tabId is aa bb cc
}
});
//setContentView(R.layout.main);
}

}

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<LinearLayout android:id="@+id/one"
android:layout_width="fill_parent" android:layout_height="fill_parent"
androidrientation="vertical" >
<TextView android:id="@+id/one_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="one"
/>
<ImageView android:id="@+id/one_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
</LinearLayout>
<LinearLayout android:id="@+id/two"
android:layout_width="fill_parent" android:layout_height="fill_parent"
androidrientation="vertical" >
<TextView android:id="@+id/two_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="two"
/>
<ImageView android:id="@+id/two_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
<ImageView android:id="@+id/two_image_two"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
</LinearLayout>

<LinearLayout android:id="@+id/three"
android:layout_width="fill_parent" android:layout_height="fill_parent"
androidrientation="vertical">
<TextView android:id="@+id/three_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="three"
/>
<ImageView android:id="@+id/three_image_one"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
<ImageView android:id="@+id/three_image_two"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
<ImageView android:id="@+id/three_image_three"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon"/>
</LinearLayout>
</FrameLayout>

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