UNUserNotificationCenter: Configuring Silent Notifications to Avoid Banner Noise
In iOS 10+, UNUserNotificationCenter replaces UILocalNotification and introduces categories, actions, and UNNotificationPresentationOptions for fine‑grained control over how alerts appear. Developers often use silent pushes (content‑available = 1) to wake the app in the background, but the interaction between these silent notifications and the banner/alert p
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