Android 处理OnItemClickListener时关于焦点颜色的设置问题

public void onItemClick(AdapterView<?> parent, View view, int arg2, 
          long arg3) { 
        //恢复每个单元格背景色 
        TextView categoryTitle; 
        for(int i=0;i<parent.getCount();i++) 
        { 
          categoryTitle = (TextView) parent.getChildAt(i); 
          categoryTitle.setTextColor(0XFFADB2AD); 
          categoryTitle.setBackgroundDrawable(null); 
        } 
        //设置选择单元格的背景色 
         categoryTitle=(TextView)view; 
        categoryTitle.setTextColor(0XFFFFFFFF); 
        categoryTitle.setBackgroundColor(R.drawable.categorybar_item_background); 

?xml version="1.0" encoding="utf-8"?> 
<selector xmlns:android="http://schemas.android.com/apk/res/android"> 
 
  <item 
     android:state_focused="true"  
    android:color="#ffffffff"/> 
  <item  
    android:state_pressed="true"  
    android:color="#ffffffff"/> 
  <item  
     android:state_selected="true"  
     android:color="#ffffffff"/> 
  <item  
    android:color="#ffabd2ad"/> 

public void onItemClick(AdapterView<?> parent, View view, int arg2, 
          long arg3) { 
        //恢复每个单元格背景色 
        TextView categoryTitle; 
        for(int i=0;i<parent.getCount();i++) 
        { 
          categoryTitle = (TextView) parent.getChildAt(i); 
          categoryTitle.setTextColor(R.color.category_title_normal_background); 
          categoryTitle.setBackgroundDrawable(null); 
        } 
        //设置选择单元格的背景色 
         categoryTitle=(TextView)view; 
        categoryTitle.setTextColor(R.color.white); 
        categoryTitle.setBackgroundColor(R.drawable.categorybar_