xcode 如何从导航栏中删除后退按钮
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How to remove back button from navigation bar
提问by Radislav
I have that code. It can add edit button to navigatin bar, but back button still exists, but it becomes unresponsible.
我有那个代码。它可以在导航栏中添加编辑按钮，但返回按钮仍然存在，但它变得不负责任。
UIBarButtonItem *editButton = [[UIBarButtonItem alloc]
initWithTitle:@"Edit"
style:UIBarButtonItemStyleBordered
target:nil
action:nil];
[[self.navigationController.navigationBar.items objectAtIndex:1] setRightBarButtonItem:editButton];
[[self.navigationController.navigationBar.items objectAtIndex:1]setHidesBackButton:YES];
回答by CarlJ
simply and short:
简单而简短：
self.navigationItem.backBarButtonItem = nil;
or
或者
self.navigationItem.leftBarButtonItem = nil;
回答by Paresh Navadiya
I have done something similar to this before. In the controller that's going to push the next view controller that you don't want a back button in put this wherever you're doing your pushViewController:
我以前做过类似的事情。在将要推送下一个您不想要后退按钮的视图控制器的控制器中，将它放在您执行 pushViewController 的任何位置：
myNextViewController.navigationItem.hidesBackButton = YES;
[self.navigationController pushViewController:myNextViewController animated:YES];
回答by Peter Cetinski
You can also use
你也可以使用
Objective-C:
目标-C：
self.navigationItem.hidesBackButton = YES;
Swift:
迅速：
navigationItem.hidesBackButton = true
回答by Shehzad Bilal
Either of these will work
这两个都行
self.navigationItem.leftBarButtonItem = nil;
or
或者
self.navigationItem.backBarButtonItem = nil;
回答by CWineland
This is old but after reading this today the answer of:
这是旧的，但今天读完这篇文章后，答案是：
self.navigationItem.hidesBackButton = YES;
is correct but is incomplete, this needs to be done at a later life cycle method then viewDidLoad, aka toss it in viewWillApper or something later and it will work
是正确的但不完整，这需要在以后的生命周期方法中完成，然后 viewDidLoad，也就是将它扔到 viewWillApper 或稍后的东西中，它会起作用
- (void)viewWillAppear:(BOOL)animated{
self.navigationItem.hidesBackButton = YES;
}
Hope this helps someone looking at an old post as I did today
希望这可以帮助像我今天一样看旧帖子的人
