App Delegate with PushIO

AppDelegateV1.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Push IO Setup
    [[PushIOManager sharedInstance] setDelegate:self];
    [[PushIOManager sharedInstance] didFinishLaunchingWithOptions:launchOptions];
    // register the types we'll be sending with Apple
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeAlert|UIRemoteNotificationTypeBadge|UIRemoteNotificationTypeSound)];
}


- (void)registerForPushNotifications;
{
    // save the user's choice to always show notifications
    [[NSUserDefaults standardUserDefaults] setObject:@(YES) forKey:kUserSettingEnablePushNotifications];
    [[NSUserDefaults standardUserDefaults] synchronize];

    [[PushIOManager sharedInstance] registerWithPushIO];
}

- (void)unregisterForPushNotifications;
{
    // save the user's choice not to show notifications
    [[NSUserDefaults standardUserDefaults] setObject:@(NO) forKey:kUserSettingEnablePushNotifications];
    [[NSUserDefaults standardUserDefaults] synchronize];
    
    // disable notifications with PushIO
    [[PushIOManager sharedInstance] unregisterFromPushIO];
}

AppDelegateV2.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Push IO Setup
    [[PushIOManager sharedInstance] setDelegate:self];
    [[PushIOManager sharedInstance] didFinishLaunchingWithOptions:launchOptions];
    // only register when the user defaults have enabled it
    if ([[[NSUserDefaults standardUserDefaults] objectForKey:kUserSettingEnablePushNotifications] boolValue]) {
        [self registerForPushNotifications];
    }
}

- (void)registerForPushNotifications;
{
    // save the user's choice to always show notifications
    [[NSUserDefaults standardUserDefaults] setObject:@(YES) forKey:kUserSettingEnablePushNotifications];
    [[NSUserDefaults standardUserDefaults] synchronize];

    // register the types we'll be sending with Apple
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeAlert|UIRemoteNotificationTypeBadge|UIRemoteNotificationTypeSound)];

    [[PushIOManager sharedInstance] registerWithPushIO];
}

- (void)unregisterForPushNotifications;
{
    // save the user's choice not to show notifications
    [[NSUserDefaults standardUserDefaults] setObject:@(NO) forKey:kUserSettingEnablePushNotifications];
    [[NSUserDefaults standardUserDefaults] synchronize];
    
    // disable notifications with PushIO
    [[PushIOManager sharedInstance] unregisterFromPushIO];
}