The slide-back of UINavigationViewController doesn't work

Question

In iOS 7 Apple add new default navigation behavior. You can swipe from left border of the screen to go back on navigation stack.
But in my test project, this behavior seems doesn't work. I've check it for many times and tried the following blog
http://keighl.com/post/ios7-interactive-pop-gesture-custom-back-button/

UPDATE

Actually it works, but I have to swipe from the very left of the screen, so I made a mistake, can we optimize it?

Try to set delegate property self.navigationController.interactivePopGestureRecognizer.delegate = self; — Brain89
– Brain89, Commented Jan 9, 2015 at 9:44
@Brain89 I've set self.interactivePopGestureRecognizer.delegate = self; in the NavigationController's viewDidload method already. — bazysong
– bazysong, Commented Jan 9, 2015 at 9:49

Utsav Parikh · Accepted Answer · 2015-01-09 09:52:38Z

2

Add this code in your Appdelegate.m file and pop gesture will work in your whole application. Also add the UIGestureRecognizerDelegate in your Appdelegate.h file.

self.navigationController.interactivePopGestureRecognizer.delegate = self; self.navigationController.interactivePopGestureRecognizer.enabled = YES;

Swipe from the very left end of the screen, only then the pop gesture will work

answered Jan 9, 2015 at 9:52

Utsav Parikh

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3 Comments

bazysong Over a year ago

I've add those code in the NavigationViewController(it's the initial viewController, In fact, You can't access the navigationController in Appdelegate.m). But it doesn't work.

bazysong Over a year ago

Tks a lot, It works...The problem is I haven't swipe from the very left. Any way to optimize it?

Utsav Parikh Over a year ago

@bazysong It is default behaviour of the interactivePopGestureRecognizer. So we cannot optimize it.

Ashish Thakkar · Accepted Answer · 2015-01-09 09:52:42Z

You haven't write any code in your project and for navigation behaviour you must add UINavigationController to your project. please put proper link or proper code here.

Sorry that the url is wrong. But the problem is fixed now, tks a lot.

Peter Johnson · Accepted Answer · 2018-01-08 12:18:03Z

Were you using the simulator? its harder to do there than on real devices.

I wouldn't recommend changing how this gesture works, it should be uniform between apps to be useful.

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