android FragmentTabHost 的简单使用

package com.example.fragmentpageadapter;

import java.util.List;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTabHost;

public class MainActivity extends FragmentActivity {
private FragmentTabHost mTabHost = null;;
private List<Fragment> list;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

setContentView(R.layout.fragments_tabs);

mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost);
mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent);

mTabHost.addTab(mTabHost.newTabSpec("0").setIndicator("新闻"), NewsFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("1").setIndicator("音乐"), LifeFragment.class, null);
mTabHost.addTab(mTabHost.newTabSpec("2").setIndicator("人生"), NewsFragment.class, null);

}

@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
mTabHost = null;
}
}

<?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">

<android.support.v4.app.FragmentTabHost
android:id="@android:id/tabhost"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<TabWidget
android:id="@android:id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"/>
</android.support.v4.app.FragmentTabHost>

<!-- 这个布局决定了标签在上面还是在下面显示 -->
<FrameLayout
android:id="@+id/realtabcontent"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>

</LinearLayout>

package com.example.fragmentpageadapter;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class NewsFragment extends Fragment {
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
android.util.Log.d("mark", "onCreate()--------->news Fragment");
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// TODO Auto-generated method stub
View view = inflater.inflate(R.layout.news, null);
android.util.Log.d("mark", "onCreateView()--------->news Fragment");
return view;
}

@Override
public void onPause() {
// TODO Auto-generated method stub
super.onPause();
android.util.Log.d("mark", "onPause()--------->news Fragment");
}

}