backgroundMessageHandler function
Implementation
Future<dynamic> backgroundMessageHandler(Map<String, dynamic> message) async {
final themes = AppBootstrap.current().themesBuilder(Brightness.dark);
print("Got background notification: $message");
return CupertinoTheme(
data: themes.cupertinoTheme,
child: Theme(
data: themes.darkTheme,
child: PlatformListTile(
title: Text("Push Notification!"),
subtitle: Text("Another thing"),
),
),
);
}