rdivate rdivate - 1 year ago 77
iOS Question

UILocalNotification not sending notifications

I have code for setting multiple

for the next few weeks.
In my
I have code that asks for permission to send notifications and then I have my code to setup my notifications.

But still, the code returns an error:

Haven't received permission from the user to display alerts

I think it is trying to run the notification code before the user can approve permission.

How do I make my notification code run only if the user says OK to receiving notifications?

Here is my code:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
if ([UIApplication instancesRespondToSelector:@selector(registerUserNotificationSettings:)]){
[application registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound categories:nil]];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([defaults objectForKey:@"FirstTimeBool"]==nil) {
[defaults setObject:@"YES" forKey:@"FirstTimeBool"];
NSDate *today = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"MMMM dd, yyyy"];

NSString* path = [[NSBundle mainBundle] pathForResource:@"example"
NSString* content = [NSString stringWithContentsOfFile:path
NSArray* allLinedStrings = [content componentsSeparatedByCharactersInSet:
[NSCharacterSet newlineCharacterSet]];
for (int i = 0; i < allLinedStrings.count; i++) {
NSString* strsInOneLine = [allLinedStrings objectAtIndex:i];
NSArray* singleStrs = [strsInOneLine componentsSeparatedByCharactersInSet:
[NSCharacterSet characterSetWithCharactersInString:@";"]];
NSString *date = [singleStrs objectAtIndex:0];
NSDate *eventDate = [dateFormatter dateFromString:date];
if ([today compare:eventDate] == NSOrderedAscending) {
for (int j = 1; j < singleStrs.count; j+=2) {
UILocalNotification *notification = [[UILocalNotification alloc]init];
notification.fireDate = [NSDate dateWithTimeInterval:60*60*-24 sinceDate:eventDate];
notification.alertBody = [singleStrs objectAtIndex:j+1];
notification.alertTitle = [singleStrs objectAtIndex:j];
notification.timeZone = [NSTimeZone defaultTimeZone];
[[UIApplication sharedApplication]scheduleLocalNotification:notification];

// Override point for customization after application launch.
return YES;

Answer Source

For iOS 8 and higher you should use this AppDelegate function which is called when user has accepted notifications:

- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings 

Before iOS 8 you should use this:

- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken

More information can be found here: About Local Notifications and Remote Notification.

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