How to open settings from my iPad application (Objective-C) [duplicate]

I've tried using:

[[UIApplication sharedApplication] openURL: [NSURL URLWithString: @ "prefs: root = General & path = Network"]];

And options trading all you see here:

examples

But I can not make it work.

Apple no longer allows developers to open the Settings application from within their apps (iOS 5.1 and later).

EDIT

According to @Mike's comment below, this can be done in iOS 8+

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];

Using this prior to iOS 8 will result in a crash, however.

来源：https://stackoverflow.com/questions/25558836/how-to-open-settings-from-my-ipad-application-objective-c

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