Develop Reference

How to show app custom icon in flutter_local_notification in flutter?

I am trying to send local notification in android using flutter_local_notifications and it's working nicely. But the problem is I can not show the app custom icon in notification bar. So, could anyone please help me sharing a solution. Thanks in advance!
Here you go with code and image-
const notificationChannelId = 'fit_jerk';
const notificationId = 1;
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
const AndroidNotificationChannel channel = AndroidNotificationChannel(
notificationChannelId, // id
'MY FOREGROUND SERVICE', // title
description:
'This channel is used for sending daily quotation.', // description
importance: Importance.low, // importance must be at low or higher level
);
await flutterLocalNotificationsPlugin
.resolvePlatformSpecificImplementation<
AndroidFlutterLocalNotificationsPlugin>()
?.createNotificationChannel(channel);
await service.configure(
androidConfiguration: AndroidConfiguration(
onStart: onStart,
autoStart: true,
isForegroundMode: true,
notificationChannelId: notificationChannelId, // this must match with notification channel you created above.
initialNotificationTitle: 'FitJerk',
initialNotificationContent: 'Welcome to FitJerk',
foregroundServiceNotificationId: notificationId,
), iosConfiguration: IosConfiguration(),);}
await flutterLocalNotificationsPlugin.show(
notificationId,
'FitJerk',
todayQuote,
const NotificationDetails(
android: AndroidNotificationDetails(
notificationChannelId,
'MY FOREGROUND SERVICE',
icon: 'mipmap/ic_launcher',
ongoing: false,
),
),
);

How to schedule multiple time specific local notifications in flutter

I am developing water drinking reminder app with flutter.
I want to schedule a list of time specified local notifications that user can add to this list and delete from this list. like this
Any help would appreciate, Thanks.

After hours of research I have solved this problem.
The full code is below.
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:flutter_native_timezone/flutter_native_timezone.dart';
import 'package:timezone/data/latest.dart' as tz;
import 'package:timezone/timezone.dart' as tz;
class NotificationHelper {
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
/// Initialize notification
initializeNotification() async {
_configureLocalTimeZone();
const IOSInitializationSettings initializationSettingsIOS = IOSInitializationSettings();
const AndroidInitializationSettings initializationSettingsAndroid =
AndroidInitializationSettings("ic_launcher");
const InitializationSettings initializationSettings = InitializationSettings(
iOS: initializationSettingsIOS,
android: initializationSettingsAndroid,
);
await flutterLocalNotificationsPlugin.initialize(initializationSettings);
}
/// Set right date and time for notifications
tz.TZDateTime _convertTime(int hour, int minutes) {
final tz.TZDateTime now = tz.TZDateTime.now(tz.local);
tz.TZDateTime scheduleDate = tz.TZDateTime(
tz.local,
now.year,
now.month,
now.day,
hour,
minutes,
);
if (scheduleDate.isBefore(now)) {
scheduleDate = scheduleDate.add(const Duration(days: 1));
}
return scheduleDate;
}
Future<void> _configureLocalTimeZone() async {
tz.initializeTimeZones();
final String timeZone = await FlutterNativeTimezone.getLocalTimezone();
tz.setLocalLocation(tz.getLocation(timeZone));
}
/// Scheduled Notification
scheduledNotification({
required int hour,
required int minutes,
required int id,
required String sound,
}) async {
await flutterLocalNotificationsPlugin.zonedSchedule(
id,
'It\'s time to drink water!',
'After drinking, touch the cup to confirm',
_convertTime(hour, minutes),
NotificationDetails(
android: AndroidNotificationDetails(
'your channel id $sound',
'your channel name',
channelDescription: 'your channel description',
importance: Importance.max,
priority: Priority.high,
sound: RawResourceAndroidNotificationSound(sound),
),
iOS: IOSNotificationDetails(sound: '$sound.mp3'),
),
androidAllowWhileIdle: true,
uiLocalNotificationDateInterpretation: UILocalNotificationDateInterpretation.absoluteTime,
matchDateTimeComponents: DateTimeComponents.time,
payload: 'It could be anything you pass',
);
}
/// Request IOS permissions
void requestIOSPermissions() {
flutterLocalNotificationsPlugin
.resolvePlatformSpecificImplementation<IOSFlutterLocalNotificationsPlugin>()
?.requestPermissions(
alert: true,
badge: true,
sound: true,
);
}
cancelAll() async => await flutterLocalNotificationsPlugin.cancelAll();
cancel(id) async => await flutterLocalNotificationsPlugin.cancel(id);
}
add your custom times like this
for (int i = 0; i < _provider.getScheduleRecords.length; i++) {
_notificationHelper.scheduledNotification(
hour: int.parse(_provider.getScheduleRecords[i].time.split(":")[0]),
minutes: int.parse(_provider.getScheduleRecords[i].time.split(":")[1]),
id: _provider.getScheduleRecords[i].id,
sound: 'sound0',
);
}

You can use flutter_local_notifications plugin, it can send scheduled, instant and also repeating notifications
await flutterLocalNotificationsPlugin.zonedSchedule(
0,
'scheduled title',
'scheduled body',
tz.TZDateTime.now(tz.local).add(const Duration(seconds: 5)),
const NotificationDetails(
android: AndroidNotificationDetails(
'your channel id', 'your channel name',
channelDescription: 'your channel description')),
androidAllowWhileIdle: true,
uiLocalNotificationDateInterpretation:
UILocalNotificationDateInterpretation.absoluteTime);
This example will schedule a notification that appears after 5 seconds.

Try Awesome Notifications.
It has many features including seconds precision scheduled notifications.

Why Flutter Android Alarm Manager is not working in device once the App is closed?

I am new to flutter.
Alarm functionality is working unless the app is closed.
After closing the app android alarm manager is not working.
I have put all the tags in AndroidManifest.xml.
On call back this _ringAlarm() method has been called.
Future<void> _ringAlarm() async {
NotificationManager n = new NotificationManager();
n.initNotificationManager();
n.showNotificationWithDefaultSound("Keep it,it's YOURS", widget.text.split("_")[1]);
//n.showNotificationWithAlarmSound();
//Working in Simulator but not in Device
//n._showNotificationCustomSound();
//FlutterRingtonePlayer.playAlarm();
FlutterRingtonePlayer.play(
android: AndroidSounds.alarm,
ios: IosSounds.glass,
looping: false, // Android only - API >= 28
volume: 1, // Android only - API >= 28
asAlarm: false, // Android only - all APIs
);
Future.delayed(const Duration(milliseconds: 4000), () {
FlutterRingtonePlayer.stop();
});
print(Const.todoTextList);
}
Here is implementation of notification manager class
class NotificationManager
{
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;
AndroidInitializationSettings initializationSettingsAndroid;
IOSInitializationSettings initializationSettingsIOS;
InitializationSettings initializationSettings;
void initNotificationManager()
{
initializationSettingsAndroid = new AndroidInitializationSettings('#mipmap/ic_launcher');
initializationSettingsIOS = new IOSInitializationSettings();
initializationSettings = new InitializationSettings(initializationSettingsAndroid, initializationSettingsIOS);
flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin();
flutterLocalNotificationsPlugin.initialize(initializationSettings);
}
void showNotificationWithDefaultSound(String title, String body)
{
var androidPlatformChannelSpecifics = new AndroidNotificationDetails('your channel id', 'your channel name', 'your channel description', importance: Importance.Max, priority: Priority.High);
var iOSPlatformChannelSpecifics = new IOSNotificationDetails();
var platformChannelSpecifics = new NotificationDetails(androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
flutterLocalNotificationsPlugin.show(0, title, body, platformChannelSpecifics);
}
static const MethodChannel platform = MethodChannel('your channel name');
/* Future<void> showNotificationWithAlarmSound() async {
/// this calls a method over a platform channel implemented within the
/// example app to return the Uri for the default alarm sound and uses
/// as the notification sound
var iOSPlatformChannelSpecifics = new IOSNotificationDetails();
final String alarmUri = await platform.invokeMethod('getAlarmUri');
final UriAndroidNotificationSound uriSound =
//UriAndroidNotificationSound(AndroidSounds.alarm.toString());
UriAndroidNotificationSound(alarmUri);
final AndroidNotificationDetails androidPlatformChannelSpecifics =
AndroidNotificationDetails(
'uri channel id', 'your channel name', 'your channel description',
sound: uriSound,
styleInformation: const DefaultStyleInformation(true, true));
final NotificationDetails platformChannelSpecifics = NotificationDetails(androidPlatformChannelSpecifics,iOSPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin.show(
0, 'uri sound title', 'uri sound body', platformChannelSpecifics);
}*/
//For custom notification
Future<void> _showNotificationCustomSound() async {
const AndroidNotificationDetails androidPlatformChannelSpecifics =
AndroidNotificationDetails(
'your other channel id',
'your other channel name',
'your other channel description',
sound: RawResourceAndroidNotificationSound('easy_going'),
);
const IOSNotificationDetails iOSPlatformChannelSpecifics =
IOSNotificationDetails(sound: 'easy_going');
//const MacOSNotificationDetails macOSPlatformChannelSpecifics =
//MacOSNotificationDetails(sound: 'slow_spring_board.aiff');
const NotificationDetails platformChannelSpecifics = NotificationDetails(androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
await flutterLocalNotificationsPlugin.show(
0,
'custom sound notification title',
'custom sound notification body',
platformChannelSpecifics);
}
}
It is working good if I don't close actual app.Once I close the app notification will not work.I am unable to reproduce this issue in simulator.If I get any suggestion how to reproduce this in simulator that also will be helpful to me.

Dismiss notification on click

I am using Flutter Local Notification to trigger periodic notifications in my app.
It provides a callback, which is executed when user taps on the notification,
I want to use the callback to run a async function, but i don't want to launch the app when the user clicks on it. I simply want to dismiss the notification.
Is there any way to achieve it?
Here is my code.
var initializationSettingsAndroid =
AndroidInitializationSettings('#mipmap/ic_launcher');
var initializationSettingsIOS = IOSInitializationSettings();
var initializationSettings = InitializationSettings(
initializationSettingsAndroid, initializationSettingsIOS);
_notificationPlugin = FlutterLocalNotificationsPlugin();
_notificationPlugin.initialize(
initializationSettings,
onSelectNotification: onSelectNotification,
);
My callback function,
Future onSelectNotification(String payload) async {
showDialog(
context: context,
builder: (_) => AlertDialog(
title: Text("Hello"),
content: Text("content"),
),
);
AnAsyncFunction();
}
Notification triggering function,
Future getPeriodicNoification() async {
print("hello");
// // Show a notification every minute with the first appearance happening a minute after invoking the method
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'your channel id',
'your channel name',
'your channel description',
importance: Importance.Max,
priority: Priority.High,
);
var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
await _notificationPlugin.periodicallyShow(0, 'repeating title',
'repeating body', RepeatInterval.EveryMinute, );
}

Not launching the app on notification click? Flutter Local Notifications

I am working on a project, I have used Flutter Local Notifications to show periodic notifications,
I'm trying to figure out if there is a way to not to launch the app on notification click, for example, when a user clicks on a notification, it should just disappear from the notification panel.
This is the code I tried so far,
Initialising,
var initializationSettingsAndroid =
AndroidInitializationSettings('#mipmap/ic_launcher');
var initializationSettingsIOS = IOSInitializationSettings();
var initializationSettings = InitializationSettings(
initializationSettingsAndroid, initializationSettingsIOS);
_notificationPlugin = FlutterLocalNotificationsPlugin();
_notificationPlugin.initialize(initializationSettings,
onSelectNotification: onSelectNotification);
Calling,
Future getPeriodicNoification() async {
print("hello");
// Show a notification every minute with the first appearance happening a minute after invoking the method
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'your channel id',
'your channel name',
'your channel description',
importance: Importance.Max,
priority: Priority.High,
);
var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
await _notificationPlugin.periodicallyShow(0, 'repeating title',
'repeating body', RepeatInterval.EveryMinute, platformChannelSpecifics);
}
Callback function(On notification click)
Future onSelectNotification(String payload) async {
ThisisAnAsyncFunction();
}
Please help.

You can use the close function under BehaviourSubject that you use when adding the payload.
static final onNotifications = BehaviorSubject<String?>();
then call this when selecting the notification.
onSelectNotification() => onNotifications.close();