/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    The main application delegate.

*/

#import "AAPLAppDelegate.h"

#import "AAPLProfileViewController.h"

#import "AAPLJournalViewController.h"

#import "AAPLEnergyViewController.h"

@import HealthKit;

@interface AAPLAppDelegate()

@property (nonatomic) HKHealthStore *healthStore;

@end

@implementation AAPLAppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.healthStore = [[HKHealthStore alloc] init];

    [self setUpHealthStoreForTabBarControllers];

    return YES;

}

#pragma mark - Convenience

// Set the healthStore property on each view controller that will be presented to the user. The root view controller is a tab

// bar controller. Each tab of the root view controller is a navigation controller which contains its root view controller—

// these are the subclasses of the view controller that present HealthKit information to the user.

- (void)setUpHealthStoreForTabBarControllers {

    UITabBarController *tabBarController = (UITabBarController *)[self.window rootViewController];

    for (UINavigationController *navigationController in tabBarController.viewControllers) {

        id viewController = navigationController.topViewController;

        if ([viewController respondsToSelector:@selector(setHealthStore:)]) {

            [viewController setHealthStore:self.healthStore];

        }

    }

}

@end