在c#或Xamarin.ios中， this.NavigationItem.HidesBackButton = true;

objective - c: self.navigationItem.hidesBackButton = YES;

迅速: navigationItem。hidesBackButton = true

试试这个—— self.navigationController ? .navigationItem。hidesBackButton = true

使用代码:

 self.navigationItem.backBarButtonItem=nil;

当我设置时，它并不是在所有情况下都对我有效

self.navigationItem.hidesBackButton = YES;

在viewWillAppear或ViewDidLoad中，但当我在viewController的init中设置它时，工作得很好。

将此代码添加到视图控制器中

UIView *myView = [[UIView alloc] initWithFrame: CGRectMake(0, 0, 300, 30)];
UIBarButtonItem *btnL = [[UIBarButtonItem alloc]initWithCustomView:myView];
self.navigationItem.leftBarButtonItem = btnL;