1.重写系统的push的方法
-(void)pushViewController:(UIViewController*)viewController animated:(BOOL)animated{
if(self.viewControllers.count) {
viewController.hidesBottomBarWhenPushed=YES;
}
[superpushViewController:viewControlleranimated:animated];
}
2.修改tabbarControler的tabor的hidden属性
-(void)viewWillAppear:(BOOL)animated{
self.tabBarController.tabBar.hidden=NO;
}
3.修改tabbarControler的tabbar的frame
-(void)viewWillAppear:(BOOL)animated{
CGRectchange =self.tabBarController.tabBar.frame;
change.origin.y = 0;
self.tabBarController.tabBar.frame= change;
}