jump through a UIAlertView iOS Settings

Not to say that the previous 5.1 before they can use
NSURL * url = [NSURL URLWithString: @ "prefs: root = WIFI"];
[[UIApplication sharedApplication] openURL: url];
So url to access the system settings do?

Why twitter settings page will pop up, then you can enter into the system settings,
This is for the hair?
I compare dish. Novice!
Find discussions! ! Seeking guidance!

Reply:
twitter is not the same as it should be built, the general application of 5.1 after having such a function?
Reply:

quote 1 floor darkdong reply:

twitter is not the same as it should be built, since there is such general application 5.1 features?

Thank you for your enthusiastic response.
But also because I think he is built in, so you can enter through the alert settings, I just want to know the common application can achieve this functionality? Or indirectly accomplish this function?
I would like to guide the user to set the time to guide the user to switch Wi-Fi operation.
Reply:

cited two floor theonezh reply:

quote 1 floor darkdong reply: twitter is not the same as it should be built, the general application of 5.1 after having such a function?
Thank you for your enthusiastic response.
But also because I think he is built in, so you can enter through the alert settings, I just want to know the common application can achieve this functionality? Or indirectly accomplish this function?
I would like to guide the user to set the time to guide the user to switch Wi-Fi operation.

After general applications should not be a 5.1, google a bit to see someone asked on stackoverflow Apple technical support, and finally a
http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme