怎么让viewpager切换标题栏只显示一个标题

我打开了网易评论，怎么样让“博客”和“股票”不显示

活动代码：
package com.example.viewpager2;

import java.util.ArrayList;

import android.os.Bundle;
import android.app.Activity;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.PagerTabStrip;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebSettings;
import android.webkit.WebSettings.RenderPriority;
import android.webkit.WebSettings.ZoomDensity;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class WangyiActivity extends Activity {

 ViewPager Pager=null;
 PagerTabStrip tabStrip = null;//选项卡
    ArrayList<View> viewContainter = new ArrayList<View>();
    ArrayList<String> titleContainer = new ArrayList<String>();
    public String TAG = "tag";


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_wangyi);
    Pager = (ViewPager) this.findViewById(R.id.viewpager);
    tabStrip = (PagerTabStrip) this.findViewById(R.id.tabstrip);
    //取消tab下面的长横线
    tabStrip.setDrawFullUnderline(false);
    //设置tab的背景色
    tabStrip.setBackgroundColor(this.getResources().getColor(R.color.bg));
    //设置当前tab页签的下划线颜色
    tabStrip.setTabIndicatorColor(this.getResources().getColor(R.color.red));
    tabStrip.setTextSpacing(200);
    /**
    View view1 = LayoutInflater.from(this).inflate(R.layout.wangyitab1, null);
    View view2 = LayoutInflater.from(this).inflate(R.layout.wangyitab2, null);
    View view3 = LayoutInflater.from(this).inflate(R.layout.wangyitab3, null);
    View view4 = LayoutInflater.from(this).inflate(R.layout.wangyitab4, null);
  //viewpager开始添加view
    viewContainter.add(view1);
    viewContainter.add(view2);
    viewContainter.add(view3);
    viewContainter.add(view4);**/
    AddView(viewContainter, "http://war.163.com/");
    AddView(viewContainter, "http://blog.163.com/?fromNavigation");
    AddView(viewContainter, "http://view.163.com/"); 
    AddView(viewContainter, "http://money.163.com/stock/"); 

  //页签项
    titleContainer.add("网易军事");
    titleContainer.add("网易博客");
    titleContainer.add("网易评论");
    titleContainer.add("网易股票");

    Pager.setAdapter(new PagerAdapter() {

        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            // TODO Auto-generated method stub
            return arg0==arg1;
        }

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return titleContainer.size();
        }

        @Override
        public void destroyItem(ViewGroup container, int position,
                Object object) {
            // TODO Auto-generated method stub
            ((ViewPager)container).removeView(viewContainter.get(position));
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            // TODO Auto-generated method stub
            ((ViewPager)container).addView(viewContainter.get(position));
            return viewContainter.get(position);
        }

        @Override
        public int getItemPosition(Object object) {
            // TODO Auto-generated method stub
            return super.getItemPosition(object);
        }

        @Override
        public CharSequence getPageTitle(int position) {
            // TODO Auto-generated method stub
            return titleContainer.get(position);
        }


    });

    Pager.setOnPageChangeListener(new OnPageChangeListener() {
        @Override
        public void onPageScrollStateChanged(int arg0) {
            Log.d(TAG, "--------changed:" + arg0);
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
            Log.d(TAG, "-------scrolled arg0:" + arg0);
            Log.d(TAG, "-------scrolled arg1:" + arg1);
            Log.d(TAG, "-------scrolled arg2:" + arg2);
        }

        @Override
        public void onPageSelected(int arg0) {
            Log.d(TAG, "------selected:" + arg0);
        }
    });





}

@SuppressWarnings("deprecation")
private void AddView(ArrayList<View> viewList,String url)
{
    WebView webView=new WebView(this);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.setWebViewClient(new WebViewClient(){

        public boolean shouldOverrideUrlLoading(WebView view,String url){
            view.loadUrl(url);
            return true;
        }

    });         
     webView.loadUrl(url);
     webView.getSettings().setUseWideViewPort(true);//web1就是你自己定义的窗口对象。
     webView.getSettings().setLoadWithOverviewMode(true);
     webView.getSettings().setRenderPriority(RenderPriority.HIGH);
     //webView.getSettings().setBlockNetworkImage(true);
     /**
     int screenDensity = getResources().getDisplayMetrics().densityDpi ;   
     WebSettings.ZoomDensity zoomDensity = WebSettings.ZoomDensity.MEDIUM ;   
     switch (screenDensity){   
     case DisplayMetrics.DENSITY_LOW :  
         zoomDensity = WebSettings.ZoomDensity.CLOSE;  
         break;  
     case DisplayMetrics.DENSITY_MEDIUM:  
         zoomDensity = WebSettings.ZoomDensity.MEDIUM;  
         break;  
     case DisplayMetrics.DENSITY_HIGH:  
         zoomDensity = WebSettings.ZoomDensity.FAR;  
         break ;  
     }  
     webView.getSettings().setDefaultZoom(zoomDensity); **/

     viewList.add(webView);

 }

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}

}