How can I be notified that the screen/phone was locked while my app is running? I want to suspend some timers related to refreshing the display in such cases.
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How can I be notified that the screen/phone was locked while my app is running? I want to suspend some timers related to refreshing the display in such cases.
I think your UIApplicationDelegate will receive the following message before the screen gets locked:
here the link to the documentation:
http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIApplicationDelegate_Protocol/Reference/Reference.html#//apple_ref/occ/intfm/UIApplicationDelegate/applicationWillResignActive: