Set up APNs to deliver instant notifications in your iOS app

#import <Applozic/Applozic.h>#import <UserNotifications/UserNotifications.h>

// UNUserNotificationCenterDelegate are required for APNs call backs please add this delegate to your AppDelegate file @interface AppDelegate () <UNUserNotificationCenterDelegate>@end// didFinishLaunchingWithOptions method of your app- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{    // checks whether app version is updated/changed then makes server call setting VERSION_CODE    [ALRegisterUserClientService isAppUpdated];    // Register APNs and Push kit    [self registerForNotification];    // Register for Applozic notification tap actions and network change notifications    ALAppLocalNotifications *localNotification = [ALAppLocalNotifications appLocalNotificationHandler];    [localNotification dataConnectionNotificationHandler];    ALPushNotificationHandler *pushNotificationHandler = [ALPushNotificationHandler shared];    [pushNotificationHandler dataConnectionNotificationHandler];    // Override point for customization after application launch.    NSLog(@"launchOptions: %@", launchOptions);    if (launchOptions != nil) {        NSDictionary *dictionary = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];        if (dictionary != nil) {            NSLog(@"Launched from push notification: %@", dictionary);            ALPushNotificationService *pushNotificationService = [[ALPushNotificationService alloc] init];            BOOL applozicProcessed = [pushNotificationService processPushNotification:dictionary updateUI:[NSNumber numberWithInt:APP_STATE_INACTIVE]];            //IF not a appplozic notification, process it            if (!applozicProcessed) {                //Note: notification for app            }        }    }    return YES;}// Register APNs-(void)registerForNotification{    UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];    center.delegate = self;    [center requestAuthorizationWithOptions:(UNAuthorizationOptionSound | UNAuthorizationOptionAlert | UNAuthorizationOptionBadge) completionHandler:^(BOOL granted, NSError * _Nullable error)     {        if(!error)        {            dispatch_async(dispatch_get_main_queue(), ^ {                [[UIApplication sharedApplication] registerForRemoteNotifications];  // required to get the app to do anything at all about push notifications                NSLog(@"Push registration success." );            });        }        else        {            NSLog(@"Push registration FAILED" );            NSLog(@"ERROR: %@ - %@", error.localizedFailureReason, error.localizedDescription );            NSLog(@"SUGGESTIONS: %@ - %@", error.localizedRecoveryOptions, error.localizedRecoverySuggestion );        }    }];}

// APNs device token sending to Applozic- (void)application:(UIApplication*)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData*)deviceToken {    const unsigned *tokenBytes = [deviceToken bytes];    NSString *hexToken = [NSString stringWithFormat:@"%08x%08x%08x%08x%08x%08x%08x%08x",                          ntohl(tokenBytes[0]), ntohl(tokenBytes[1]), ntohl(tokenBytes[2]),                          ntohl(tokenBytes[3]), ntohl(tokenBytes[4]), ntohl(tokenBytes[5]),                          ntohl(tokenBytes[6]), ntohl(tokenBytes[7])];    NSString *apnDeviceToken = hexToken;    NSLog(@"apnDeviceToken: %@", hexToken);    if (![[ALUserDefaultsHandler getApnDeviceToken] isEqualToString:apnDeviceToken]) {        ALRegisterUserClientService *registerUserClientService = [[ALRegisterUserClientService alloc] init];        [registerUserClientService updateApnDeviceTokenWithCompletion         :apnDeviceToken withCompletion:^(ALRegistrationResponse                                          *rResponse, NSError *error) {            if (error) {                NSLog(@"%@",error);                return;            }            NSLog(@"Registration response%@", rResponse);        }];    }}

// UNUserNotificationCenter delegates for chat- (void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification*)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions options))completionHandler {    ALPushNotificationService *pushNotificationService = [[ALPushNotificationService                                                    alloc] init];    NSDictionary *userInfo = notification.request.content.userInfo;    NSLog(@"APNS willPresentNotification for userInfo: %@", userInfo);    if ([pushNotificationService isApplozicNotification:userInfo]) {        [pushNotificationService notificationArrivedToApplication:[UIApplication sharedApplication] withDictionary:userInfo];        completionHandler(UNNotificationPresentationOptionNone);        return;    }    completionHandler(UNNotificationPresentationOptionAlert|UNNotificationPresentationOptionBadge|UNNotificationPresentationOptionSound);}- (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(nonnull UNNotificationResponse* )response withCompletionHandler:(nonnull void (^)(void))completionHandler {    ALPushNotificationService *pushNotificationService = [[ALPushNotificationService                                                           alloc] init];    NSDictionary *userInfo =  response.notification.request.content.userInfo;    NSLog(@"APNS didReceiveNotificationResponse for userInfo: %@", userInfo);    if ([pushNotificationService isApplozicNotification:userInfo]) {        [pushNotificationService notificationArrivedToApplication:[UIApplication sharedApplication] withDictionary:userInfo];        completionHandler();        return;    }    completionHandler();}-(void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(nonnull void (^)(UIBackgroundFetchResult))completionHandler{    NSLog(@"RECEIVED_NOTIFICATION_WITH_COMPLETION :: %@", userInfo);    ALPushNotificationService *pushNotificationService = [[ALPushNotificationService alloc] init];    if ([pushNotificationService isApplozicNotification:userInfo]) {        [pushNotificationService notificationArrivedToApplication:application withDictionary:userInfo];        completionHandler(UIBackgroundFetchResultNewData);        return;    }    completionHandler(UIBackgroundFetchResultNewData);}- (void)applicationWillTerminate:(UIApplication *)application {    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.    [[ALDBHandler sharedInstance] saveContext];}- (void)applicationWillEnterForeground:(UIApplication *)application {    // Called as part of the transition from the background to the inactive state; here you can undo any of the changes made on entering the background.    NSLog(@"APP_ENTER_IN_FOREGROUND");    [application setApplicationIconBadgeNumber:0];}