ObjC/Footprint/AAPLAppDelegate.h

/**
    Copyright (C) 2016 Apple Inc. All Rights Reserved.
    See LICENSE.txt for this sample’s licensing information
    
    Abstract:
    Delegate to track the state transitions for the application.
*/
 
@import UIKit;
 
@interface AAPLAppDelegate : UIResponder <UIApplicationDelegate>
 
@property (strong, nonatomic) UIWindow *window;
 
@end