objective c - Ask for Permission for Local Notifications in iOS 8, but still have the App Support iOS 7 -

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I have an app that uses local notifications Everything works fine in iOS 7, but in iOS 8 The app needs to ask for permission of the user to display the information I am using to ask for permission in iOS 8: 

  - (bool) Application: (UIApplication *) Application didFinishLaunchingWithOptions: (NSDictionary *) launchOptions {[application registerUserNotificationSettings: [UIUserNotificationSettings settingsForTypes: UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound categories: zero]]; }   
 It works fine in Xcode 6 and iOS 8. When I open the same project in Xcode 5, the error is a semantic issue. Use the undisclosed identifier 'UIUserNotificationSettings'. "  
 I will call the app for iOS 7 & amp; 8, and notifications work properly on both versions   
 
 
 makes some assumptions in the following answer: / P> 
     
  1.  The application should build properly with a base SDK of iOS 8 when using Xcode 6 and it will build properly with a base SDK of iOS 7 while using Xcode 5.  
  2.  The base SDK and Xcode version   
     code:  
     < Code> - (bool) Application:. (UIApplication *) application didFinishLaunchingWithOptions: Any of the (NSDictionary *) launchOptions {// code should be compiled even until the base SDK is iOS 8.0 or later __IPHONE_OS_VERSION_MAX_ALLOWED & gt #if; = 80000 // The following line should be run only under iOS 8. This sequence checks // It prevents them from displaying it does not exist (like running under iOS 7 or earlier). If ([application respondsToSelector: @selector (registerUserNotificationSettings :)) {application registerUserNotificationSettings: [UIUserNotificationSettings settingsForTypes: UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound section: zero]]; } #endif}   
     All this is included in Apple.

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