showNotification method

Future<void> showNotification(RemoteMessage message)

Implementation

Future<void> showNotification(RemoteMessage message) async {
  String? imageUrl = message.data['imageUrl'];
  String? largeIcon = message.data['largeIcon'];
  final bigPicturePath =
  await DownloadFile.downloadFile(imageUrl!, 'imageNotification');
  final largeIconPath =
  await DownloadFile.downloadFile(largeIcon!, 'largeIconNotification');

  // Create a style information object based on the image URL
  BigPictureStyleInformation? styleInformation;
  if (imageUrl != null || largeIcon != null) {
    styleInformation = BigPictureStyleInformation(
      FilePathAndroidBitmap(bigPicturePath),
      largeIcon: FilePathAndroidBitmap(largeIconPath),
      contentTitle: message.notification?.title.toString(),
      summaryText: message.notification?.body.toString(),
    );
  } else {
    styleInformation = null;
  }

  final Color notificationColor = Color(int.parse(message.data['color'].substring(1, 7), radix: 16) + 0xFF000000);

  AndroidNotificationChannel channel = AndroidNotificationChannel(
    Random.secure().nextInt(1000).toString(),
    'High Importance Notification',
    description: 'This channel is used for important notifications.',
    importance: Importance.high,
  );

  await _flutterLocalNotificationsPlugin
      .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
      ?.createNotificationChannel(channel);

  AndroidNotificationDetails androidNotificationDetails =
  AndroidNotificationDetails(
    channel.id.toString(),
    channel.name.toString(),
    icon: message.data['icon'] ?? '@mipmap/ic_launcher',
    channelDescription: "your channel description",
    importance: Importance.high,
    priority: Priority.high,
    ticker: "ticker",
    color: notificationColor,
    styleInformation: styleInformation,
  );

  const DarwinNotificationDetails darwinNotificationDetails =
  DarwinNotificationDetails(
    presentAlert: true,
    presentBadge: true,
    presentSound: true,
  );

  NotificationDetails notificationDetails = NotificationDetails(
    android: androidNotificationDetails,
    iOS: darwinNotificationDetails,
  );

  Future.delayed(Duration.zero, () {
    _flutterLocalNotificationsPlugin.show(
      0,
      null,
      null,
      notificationDetails,
      payload: message.data['screen'],
    );
  });
}