Sending Push Notifications When the App is Closed

Push notification with title and description when the app is killed.

Credit to gdelataillade

You will need notification permission so add this to your ios/Podfile

post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)

    target.build_configurations.each do |config|
       config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
        '$(inherited)',
        # dart: PermissionGroup.notification
        'PERMISSION_NOTIFICATIONS=1',
      ]
    end
  end
end
final _notificationWhenAppIsKilledPlugin = NotificationWhenAppIsKilled();

await _notificationWhenAppIsKilledPlugin.setNotificationOnKillService(
  ArgsForKillNotification(
      title: 'The app is killed',
      description:
          'You can see this notification when the app is killed'),
)
final _notificationWhenAppIsKilledPlugin = NotificationWhenAppIsKilled();

await _notificationWhenAppIsKilledPlugin
              .cancelNotificationOnKillService()
)

Tahnks to gdelataillade, most of this code is his. Checkout his article in Medium: https://medium.com/@gdelataillade/displaying-a-notification-when-your-flutter-app-is-killed-4ef25cc3f193

Checking this package and the onKill notification will only work under release and not under dabug

GitHub

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