notification not working when app is killed or terminated.

[khaledmorshed]

import 'dart:convert';

import 'package:erp/data/repositories/local/sharedpreferences/sharepreferences_class.dart';
import 'package:erp/providers/auth_provider/login_provider.dart';
import 'package:erp/providers/push_notification_provider/push_notification_provider.dart';
import 'package:erp/utils/global/navigation_service_without_context.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';
import 'package:pusher_channels_flutter/pusher_channels_flutter.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'local_notification_service.dart';

String apiKey = "293f1afc5c963538c481";
//String apiKey = "c4887d89c118740fc0a1";
String cluster = "ap1";
//String cluster = "mt1";
String channelName = "notification-channel";
String userId = "1";
String title = "notification";

PusherChannelsFlutter pusher = PusherChannelsFlutter.getInstance();

class PushNotificationClass{
Future initializePushNotification(BuildContext context)async{
//method to set up push notification for global response
// PusherChannelsFlutter pusher = PusherChannelsFlutter.getInstance();

try {
  await pusher.init(
    apiKey: apiKey,
    cluster: cluster,
    onConnectionStateChange: onConnectionStateChange,
    onError: onError,
    onSubscriptionSucceeded: onSubscriptionSucceeded,
    onEvent: onEvent,
    onSubscriptionError: onSubscriptionError,
    onDecryptionFailure: onDecryptionFailure,
    onMemberAdded: onMemberAdded,
    onMemberRemoved: onMemberRemoved,

  );
  await pusher.subscribe(channelName: channelName);
  await pusher.connect();

} catch (e) {
  print("ERROR: $e");
}

}

//when data will come this function will trigger
void onEvent(PusherEvent event,) async{
// print("onEvent: $event");
String eventName = event.eventName;
dynamic eventData = event.data;
PermissionStatus status = await Permission.notification.status;
if(PermissionStatus.granted == status && eventData.runtimeType == String){

  checkTokenDuringSendingNotification(eventData);
}

}

checkTokenDuringSendingNotification(dynamic payload){
Provider.of(NavigationService.navigatorKey.currentState!.context, listen: false).pushNotificationMap = payload == null ? null : jsonDecode(payload);
Provider.of(NavigationService.navigatorKey.currentState!.context, listen: false).notifyListeners();
if(checkToken(Provider.of(NavigationService.navigatorKey.currentState!.context, listen: false).getUserToken())){
//this function show the notification on phone
//here body is the main message
LocalNotificationService().showNotification(/title: title,/ body: jsonDecode(payload)["data"], payLoad: payload);
}
}

//Checking token empty or not
bool checkToken(dynamic token) {
if (token == null || token == "") {
return false;
} else {
return true;
}
}

void onSubscriptionSucceeded(String channelName, dynamic data) {
print("onSubscriptionSucceeded: $channelName data: $data");
}

void onSubscriptionError(String message, dynamic e) {
print("onSubscriptionError: $message Exception: $e");
}

void onDecryptionFailure(String event, String reason) {
print("onDecryptionFailure: $event reason: $reason");
}
static void onMemberAdded(String channelName, PusherMember member) {
print("onMemberAdded: $channelName member: $member");
}

void onMemberRemoved(String channelName, PusherMember member) {
print("onMemberRemoved: $channelName member: $member");
}

dynamic onAuthorizer(String channelName, String socketId, dynamic options) async {
return {
"auth": "foo:bar",
"channel_data": '{"user_id": 1}',
"shared_secret": "foobar"
};
}

void onConnectionStateChange(dynamic currentState, dynamic previousState) async{
print("Connection state...1 $currentState");
// await Future.delayed(Duration(seconds: 5));
// reconnect();
if (currentState == ConnectionState.none) {
print("currentState....2");
// Attempt to reconnect
reconnect();
}
}

void onError(String message, int? code, dynamic e) {
print("onError: $message code: $code exception: $e");
}

}

[khaledmorshed]

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