fix: clear badge on app open, add clearBadge method

Matthias Nott

2026-04-01 e7c5b5de5160f3d82fc9c36bc5185b5c6e091e9e

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import Flutter
import UIKit
import UserNotifications

@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }

  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
  }

  // Clear badge when app becomes active
  override func applicationDidBecomeActive(_ application: UIApplication) {
    super.applicationDidBecomeActive(application)
    application.applicationIconBadgeNumber = 0
  }

  // Forward APNs token registration to the push plugin
  override func application(
    _ application: UIApplication,
    didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data
  ) {
    super.application(application, didRegisterForRemoteNotificationsWithDeviceToken: deviceToken)
  }

  override func application(
    _ application: UIApplication,
    didFailToRegisterForRemoteNotificationsWithError error: Error
  ) {
    super.application(application, didFailToRegisterForRemoteNotificationsWithError: error)
  }

  // Forward notification presentation (foreground)
  override func userNotificationCenter(
    _ center: UNUserNotificationCenter,
    willPresent notification: UNNotification,
    withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void
  ) {
    super.userNotificationCenter(center, willPresent: notification, withCompletionHandler: completionHandler)
  }

  // Forward notification tap
  override func userNotificationCenter(
    _ center: UNUserNotificationCenter,
    didReceive response: UNNotificationResponse,
    withCompletionHandler completionHandler: @escaping () -> Void
  ) {
    super.userNotificationCenter(center, didReceive: response, withCompletionHandler: completionHandler)
  }
}