apple-push-notifications

Detect if the app was launched/opened from a push notification

See This code : – (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo { if ( application.applicationState == UIApplicationStateInactive || application.applicationState == UIApplicationStateBackground ) { //opened from a push notification when the app was on background } } same as -(void)application:(UIApplication *)application didReceiveLocalNotification (UILocalNotification *)notification

iOS application: how to clear notifications?

Most likely because Notification Center is a relatively new feature, Apple didn’t necessarily want to push a whole new paradigm for clearing notifications. So instead, they multi-purposed [[UIApplication sharedApplication] setApplicationIconBadgeNumber: 0]; to clear said notifications. It might seem a bit weird, and Apple might provide a more intuitive way to do this in the future, … Read more

SendEmptyPushNotification to gateway.push.apple.com no longer working

Me too man. Let’s figure this out together like Apex Legends. I have submitted a TSI to Apple. They sent out an email on feb 10 saying: On March 29, 2021, token and certificate-based HTTP/2 connections to the Apple Push Notification service must incorporate the new root certificate (AAACertificateServices 5/12/2020) which replaces the old GeoTrust … Read more

Update badge with push notification while app in background

Since push notification are handled by iOS and not your app you can’t change the application badge on receiving a push notification. But you can send the badge number in the payload of the push notification, but the you will have to do the calculation server side. You should read Local and Push Notification Programming … Read more

Does the APNS device token ever change, once created?

Apple’s official documentation is unclear on this point. What I have observed is this: the token is invariant for a given device, application, and domain (production vs. sandbox). I believe that this must remain true in order for the system to work reliably. Consider the situation where an application update triggers a new APN token; … Read more

Determine on iPhone if user has enabled push notifications

Call enabledRemoteNotificationsTypes and check the mask. For example: UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes]; if (types == UIRemoteNotificationTypeNone) // blah blah blah iOS8 and above: [[UIApplication sharedApplication] isRegisteredForRemoteNotifications]

What is Silent Push Notification? When does the device receive it?

They can be used to inform the application of new content without having the user informed. Instead of displaying a notification alert, the application will be awakened in background (iOS does not automatically launch your app if the user has force-quit it) and application:didReceiveRemoteNotification:fetchCompletionHandler: will be called. You then have the opportunity to process any … Read more

This certificate has an invalid issuer Apple Push Services

I think I’ve figured this one out. I imported the new WWDR Certificate that expires in 2023, but I was still getting problems building and my developer certificates were still showing the invalid issuer error. In keychain access, go to View -> Show Expired Certificates. Then in your login keychain highlight the expired WWDR Certificate … Read more

Generate .pem file used to set up Apple Push Notifications

To enable Push Notification for your iOS app, you will need to create and upload the Apple Push Notification Certificate (.pem file) to us so we will be able to connect to Apple Push Server on your behalf. (Updated version with updated screen shots Here) Step 1: Login to iOS Provisioning Portal, click “Certificates” on … Read more

What are different types of notifications in iOS and how to configure them correctly?

EDIT: While this answer is fully applicable, there are some additions (not changes) to notifications in iOS 12. I highly recommend watching WWDC 2018: What’s New in User Notifications and read this amazing and must read article. Main changes are: grouped notifications along with summary format provisional notifications ie show notifications directly in notification center … Read more