import ' dart:math ' ;
import ' dart:typed_data ' ;
import ' dart:ui ' ;
import ' package:flutter/cupertino.dart ' ;
import ' package:flutter_local_notifications/flutter_local_notifications.dart ' ;
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin ( ) ;
class LocalNotification {
Function ( String payload ) _onNotificationClick ;
static LocalNotification _instance ;
static LocalNotification getInstance ( ) {
return _instance ;
}
static init ( { Function ( String payload ) onNotificationClick } ) {
if ( _instance = = null ) {
_instance = LocalNotification ( ) ;
_instance . _onNotificationClick = onNotificationClick ;
_instance . _initialize ( ) ;
} else {
// assert(false,(){
// //TODO fix it
// "LocalNotification Already Initialized";
// });
}
}
_initialize ( ) async {
try {
var initializationSettingsAndroid = new AndroidInitializationSettings ( ' app_icon ' ) ;
var initializationSettingsIOS = DarwinInitializationSettings ( onDidReceiveLocalNotification: null ) ;
var initializationSettings = InitializationSettings ( android: initializationSettingsAndroid , iOS: initializationSettingsIOS ) ;
await flutterLocalNotificationsPlugin . initialize (
initializationSettings ,
onDidReceiveNotificationResponse:
( NotificationResponse notificationResponse ) {
switch ( notificationResponse . notificationResponseType ) {
case NotificationResponseType . selectedNotification:
// selectNotificationStream.add(notificationResponse.payload);
break ;
case NotificationResponseType . selectedNotificationAction:
// if (notificationResponse.actionId == navigationActionId) {
// selectNotificationStream.add(notificationResponse.payload);
// }
break ;
}
} ,
onDidReceiveBackgroundNotificationResponse: notificationTapBackground ,
) ;
} catch ( ex ) { }
// flutterLocalNotificationsPlugin.initialize(initializationSettings, onDidReceiveNotificationResponse: (NotificationResponse notificationResponse)
// {
// switch (notificationResponse.notificationResponseType) {
// case NotificationResponseType.selectedNotification:
// // selectNotificationStream.add(notificationResponse.payload);
// break;
// case NotificationResponseType.selectedNotificationAction:
// // if (notificationResponse.actionId == navigationActionId) {
// // selectNotificationStream.add(notificationResponse.payload);
// }
// // break;
// },}
//
// ,
//
// );
}
void notificationTapBackground ( NotificationResponse notificationResponse ) {
// ignore: avoid_print
print ( ' notification( ${ notificationResponse . id } ) action tapped: '
' ${ notificationResponse . actionId } with '
' payload: ${ notificationResponse . payload } ' ) ;
if ( notificationResponse . input ? . isNotEmpty ? ? false ) {
// ignore: avoid_print
print (
' notification action tapped with input: ${ notificationResponse . input } ' ) ;
}
}
var _random = new Random ( ) ;
_randomNumber ( { int from = 100000 } ) {
return _random . nextInt ( from ) ;
}
_vibrationPattern ( ) {
var vibrationPattern = Int64List ( 4 ) ;
vibrationPattern [ 0 ] = 0 ;
vibrationPattern [ 1 ] = 1000 ;
vibrationPattern [ 2 ] = 5000 ;
vibrationPattern [ 3 ] = 2000 ;
return vibrationPattern ;
}
Future showNow ( { @ required String title , @ required String subtitle , String payload } ) {
Future . delayed ( Duration ( seconds: 1 ) ) . then ( ( result ) async {
var androidPlatformChannelSpecifics = AndroidNotificationDetails ( ' com.hmg.local_notification ' , ' HMG ' ,
channelDescription: ' HMG ' ,
importance: Importance . max ,
priority: Priority . high ,
ticker: ' ticker ' ,
vibrationPattern: _vibrationPattern ( ) ) ;
var iOSPlatformChannelSpecifics = DarwinNotificationDetails ( ) ;
var platformChannelSpecifics = NotificationDetails ( android: androidPlatformChannelSpecifics , iOS: iOSPlatformChannelSpecifics ) ;
await flutterLocalNotificationsPlugin . show ( _randomNumber ( ) , title , subtitle , platformChannelSpecifics , payload: payload ) . catchError ( ( err ) {
print ( err ) ;
} ) ;
} ) ;
}
Future scheduleNotification ( { @ required DateTime scheduledNotificationDateTime , @ required String title , @ required String description } ) async {
///vibrationPattern
var vibrationPattern = Int64List ( 4 ) ;
vibrationPattern [ 0 ] = 0 ;
vibrationPattern [ 1 ] = 1000 ;
vibrationPattern [ 2 ] = 5000 ;
vibrationPattern [ 3 ] = 2000 ;
var androidPlatformChannelSpecifics = AndroidNotificationDetails ( ' active-prescriptions ' , ' ActivePrescriptions ' ,
channelDescription: ' ActivePrescriptionsDescription ' ,
// icon: 'secondary_icon',
sound: RawResourceAndroidNotificationSound ( ' slow_spring_board ' ) ,
///change it to be as ionic
// largeIcon: DrawableResourceAndroidBitmap('sample_large_icon'),///change it to be as ionic
vibrationPattern: vibrationPattern ,
enableLights: true ,
color: const Color . fromARGB ( 255 , 255 , 0 , 0 ) ,
ledColor: const Color . fromARGB ( 255 , 255 , 0 , 0 ) ,
ledOnMs: 1000 ,
ledOffMs: 500 ) ;
var iOSPlatformChannelSpecifics = DarwinNotificationDetails ( sound: ' slow_spring_board.aiff ' ) ;
// /change it to be as ionic
var platformChannelSpecifics = NotificationDetails ( android: androidPlatformChannelSpecifics , iOS: iOSPlatformChannelSpecifics ) ;
await flutterLocalNotificationsPlugin . schedule ( 0 , title , description , scheduledNotificationDateTime , platformChannelSpecifics ) ;
}
///Repeat notification every day at approximately 10:00:00 am
Future showDailyAtTime ( ) async {
var time = Time ( 10 , 0 , 0 ) ;
var androidPlatformChannelSpecifics = AndroidNotificationDetails ( ' repeatDailyAtTime channel id ' , ' repeatDailyAtTime channel name ' , channelDescription: ' repeatDailyAtTime description ' ) ;
var iOSPlatformChannelSpecifics = DarwinNotificationDetails ( ) ;
// var platformChannelSpecifics = NotificationDetails(
// androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
// await flutterLocalNotificationsPlugin.showDailyAtTime(
// 0,
// 'show daily title',
// 'Daily notification shown at approximately ${_toTwoDigitString(time.hour)}:${_toTwoDigitString(time.minute)}:${_toTwoDigitString(time.second)}',
// time,
// platformChannelSpecifics);
}
///Repeat notification weekly on Monday at approximately 10:00:00 am
Future showWeeklyAtDayAndTime ( ) async {
var time = Time ( 10 , 0 , 0 ) ;
var androidPlatformChannelSpecifics = AndroidNotificationDetails ( ' show weekly channel id ' , ' show weekly channel name ' , channelDescription: ' show weekly description ' ) ;
var iOSPlatformChannelSpecifics = DarwinNotificationDetails ( ) ;
// var platformChannelSpecifics = NotificationDetails(
// androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
// await flutterLocalNotificationsPlugin.showWeeklyAtDayAndTime(
// 0,
// 'show weekly title',
// 'Weekly notification shown on Monday at approximately ${_toTwoDigitString(time.hour)}:${_toTwoDigitString(time.minute)}:${_toTwoDigitString(time.second)}',
// Day.Monday,
// time,
// platformChannelSpecifics);
}
String _toTwoDigitString ( int value ) {
return value . toString ( ) . padLeft ( 2 , ' 0 ' ) ;
}
Future cancelNotification ( ) async {
await flutterLocalNotificationsPlugin . cancel ( 0 ) ;
}
Future cancelAllNotifications ( ) async {
await flutterLocalNotificationsPlugin . cancelAll ( ) ;
} }