/*

     File: APLAppDelegate.m

 Abstract: Main entry point for the application. Displays the main menu and notifies the user when region state transitions occur.

  Version: 1.1

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 */

#import "APLAppDelegate.h"

@import CoreLocation;

@interface APLAppDelegate () <UIApplicationDelegate, CLLocationManagerDelegate>

@property CLLocationManager *locationManager;

@end

@implementation APLAppDelegate

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

{

    // This location manager will be used to notify the user of region state transitions.

    self.locationManager = [[CLLocationManager alloc] init];

    self.locationManager.delegate = self;

    return YES;

}

- (void)locationManager:(CLLocationManager *)manager didDetermineState:(CLRegionState)state forRegion:(CLRegion *)region

{

    /*

     A user can transition in or out of a region while the application is not running. When this happens CoreLocation will launch the application momentarily, call this delegate method and we will let the user know via a local notification.

     */

    UILocalNotification *notification = [[UILocalNotification alloc] init];

    if(state == CLRegionStateInside)

    {

        notification.alertBody = NSLocalizedString(@"You're inside the region", @"");

    }

    else if(state == CLRegionStateOutside)

    {

        notification.alertBody = NSLocalizedString(@"You're outside the region", @"");

    }

    else

    {

        return;

    }

    /*

     If the application is in the foreground, it will get a callback to application:didReceiveLocalNotification:.

     If it's not, iOS will display the notification to the user.

     */

    [[UIApplication sharedApplication] presentLocalNotificationNow:notification];

}

- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification

{

    // If the application is in the foreground, we will notify the user of the region's state via an alert.

    NSString *cancelButtonTitle = NSLocalizedString(@"OK", @"Title for cancel button in local notification");

    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:notification.alertBody message:nil delegate:nil cancelButtonTitle:cancelButtonTitle otherButtonTitles:nil];

    [alert show];

}

@end