如何在单击按钮时隐藏条形按钮项? [英] How to hide the bar button item on click of a button?

问题描述

在我的应用中，说我在第1页上单击下一个按钮(使用推式视图控制器)有2页，它将无法导航到第2页，在第2页上我有一个download(UIButton，不在导航栏中)按钮，单击此按钮后，我需要隐藏后退按钮

in my app say i have 2 pages on click on next button(using push view controller) in page 1 it ill navigate to 2nd page , in the 2nd page i have a download(UIButton , not in the navigation bar) button , on click of that i need to hide the back button

如果后退按钮是我们创建的，则可以使用以下代码将其隐藏

if back button is created by us we can hide it by using the following code

self.navigationItem.leftBarButtonItem = nil;

self.navigationItem.leftBarButtonItem = nil;

但是我不知道如何隐藏该后退按钮，任何人都可以帮助我，谢谢.

but i am not getting how to hide that back button,,can any one help me, thanx in advance

推荐答案

您可以使用以下代码隐藏后退按钮:

You can hide the back button using the following code:

[self.navigationItem setHidesBackButton:YES animated:YES];

有关更多详细信息，请参见以下答案: 如何隐藏后退"按钮UINavigationController中的按钮?

See this answer for more details: How to hide the "back" button in UINavigationController?

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