首先参考导航控制器基础,我们继续实现隐藏效果
http://blog.youkuaiyun.com/lee727n/article/details/72567569
实现点击隐藏,再点击显示的coding
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
//隐藏导航条
// self.navigationController.navigationBarHidden = !self.navigationController.navigationBarHidden;
[self.navigationController setNavigationBarHidden:!self.navigationController.navigationBarHidden animated:YES];
[self.navigationController setToolbarHidden:!self.navigationController.toolbarHidden animated:YES];
}