xib跳转时隐藏tabar

 跳转隐藏tabar

- (id)initWithNibName:(NSString*)nibNameOrNil bundle:(NSBundle*)nibBundleOrNil

{

   self= [superinitWithNibName:nibNameOrNilbundle:nibBundleOrNil];

   if(self) {

       self.hidesBottomBarWhenPushed=YES;

    }

   returnself;

}