TabActivity的一个修改标题问题

 
import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.*;
import android.widget.TabHost.OnTabChangeListener;
import android.os.Build;
import android.view.View;
import java.lang.reflect.Field;
import android.view.LayoutInflater;

public class testTabActivity extends TabActivity {
  /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
        
         int width =45;
         int height =48;
        
         final TabHost tabs = getTabHost();
         final TabWidget tabWidget = tabs.getTabWidget();
        
         Field mBottomLeftStrip;
         Field mBottomRightStrip;
      
         LayoutInflater.from(this).inflate(R.layout.tab_views, tabs.getTabContentView(), true);
      
         tabs.addTab(tabs.newTabSpec("first tab")
              .setIndicator("信息",getResources().getDrawable(R.drawable.m))
              .setContent(new Intent(testTabActivity.this,OneActivty.class))
              );
        
         tabs.addTab(tabs.newTabSpec("second tab")
          .setIndicator("收藏",getResources().getDrawable(R.drawable.n))
          .setContent(R.id.content));
        
         tabs.addTab(tabs.newTabSpec("second tab")
              .setIndicator("设置",getResources().getDrawable(R.drawable.s))
              .setContent(R.id.content));
        
 

         for (int i =0; i < tabWidget.getChildCount(); i++) {
             /**
              * 设置高度、宽度，不过宽度由于设置为fill_parent，在此对它没效果
              */
             tabWidget.getChildAt(i).getLayoutParams().height = height;
             tabWidget.getChildAt(i).getLayoutParams().width = width;
           
         
          /**
           * 设置tab中标题文字的颜色，不然默认为黑色

               在这里可以修改tab的标题

                   tv.setText("asfdasdf");
           */
           final TextView tv = (TextView) tabWidget.getChildAt(i).findViewById(android.R.id.title);
         
           tv.setTextColor(this.getResources().getColorStateList(android.R.color.white));
         
            
        
            
             /**
              * 此方法是为了去掉系统默认的色白的底角
              *
              * 在 TabWidget中mBottomLeftStrip、mBottomRightStrip
              * 都是私有变量，但是我们可以通过反射来获取
              *
              * 由于还不知道Android 2.2的接口是怎么样的，现在先加个判断好一些
              */
          if (Float.valueOf(Build.VERSION.RELEASE) <= 2.1) {
                try {
                   mBottomLeftStrip = tabWidget.getClass().getDeclaredField ("mBottomLeftStrip");
                   mBottomRightStrip = tabWidget.getClass().getDeclaredField ("mBottomRightStrip");
                   if(!mBottomLeftStrip.isAccessible()) {
                     mBottomLeftStrip.setAccessible(true);
                   }
                   if(!mBottomRightStrip.isAccessible()){
                     mBottomRightStrip.setAccessible(true);
                   }
                  mBottomLeftStrip.set(tabWidget, getResources().getDrawable (R.drawable.no));
                  mBottomRightStrip.set(tabWidget, getResources().getDrawable (R.drawable.no));
                  
                } catch (Exception e) {
                  e.printStackTrace();
                }
          } else {
          /**
          * 不做任何处理
          */
          }
         View vvv = tabWidget.getChildAt(i);
   if(tabs.getCurrentTab()==i){
           vvv.setBackgroundDrawable(getResources().getDrawable(R.drawable.tab_button));
   }
   else {
           vvv.setBackgroundDrawable(getResources().getDrawable(R.drawable.bar));
   }
         
         }
         /**
          * 当点击tab选项卡的时候，更改当前的背景
          */
         tabs.setOnTabChangedListener(new OnTabChangeListener(){
    @Override
    public void onTabChanged(String tabId) {
     // TODO Auto-generated method stub
     for (int i =0; i < tabWidget.getChildCount(); i++) {
      View vvv = tabWidget.getChildAt(i);
      if(tabs.getCurrentTab()==i){
              vvv.setBackgroundDrawable(getResources().getDrawable(R.drawable.tab_button));
      }
      else {
              vvv.setBackgroundDrawable(getResources().getDrawable(R.drawable.bar));
      }
     }
    }});
        
     }
    
    
}