I have followed : Integrating Google Sign-In into your iOS app
However when I execute the app, it halts in the app delegate itself - even before I can see my first
If you wanna get only GCM_SENDER_ID, try this workaround:
NSError* configureError; [[GGLContext sharedInstance] configureWithError:&configureError]; NSString * gcmSenderID = [GGLContext sharedInstance].gcmSenderID; NSLog(@"%@", gcmSenderID);