fragement 构造函数传值

public static Category_Activity newInstance(String parentaAreaId, String productCategoryid) {  
Category_Activity newFragment = new Category_Activity();  
       Bundle bundle = new Bundle();  
       bundle.putString("parentaAreaId", parentaAreaId);  
       bundle.putString("productCategoryid", productCategoryid);  
       newFragment.setArguments(bundle);  
 
       return newFragment;  
 
   }