小编moh*_*een的帖子

我flutter_local_notifications: ^0.7.1+3在我的 Flutter 应用程序中使用来推送日程通知。一切都很好，但我的通知正文中的问题是它只显示一行文本，我无法扩展或拉伸通知以显示所有通知正文文本。

这是我的尝试：

class NotificationUtil {
  final notifications = FlutterLocalNotificationsPlugin();
  final int checkOutNotifyId = 0;

  NotificationUtil(BuildContext context) {
    final settingsAndroid = AndroidInitializationSettings('ic_notify_icon');
    final settingsIOS = IOSInitializationSettings(
        onDidReceiveLocalNotification: (id, title, body, payload) =>
            onSelectNotification(context));
    notifications.initialize(
        InitializationSettings(settingsAndroid, settingsIOS),
        onSelectNotification: (context) async => onSelectNotification);
  }

  Future<void> showCheckOutNotify([int maximumCheckoutHours]) async {
    await notifications.periodicallyShow(
        checkOutNotifyId,
        AttendanceConstants.SCHEDULE_NOTIFICATION_TITLE,
        AttendanceConstants.SCHEDULE_NOTIFICATION_BODY +
            '$maximumCheckoutHours Hour/s of your attendance',
        RepeatInterval.Hourly,
        _ongoing);
  }

  NotificationDetails get _ongoing {
    final androidChannelSpecifics = AndroidNotificationDetails(
      'your channel id',
      'your channel name',
      'your …