Improve some

src/app/services/notifications.service.ts

@@ -1,5 +1,5 @@
 ///<reference path="../../../plugins/cordova-plugin-mfp-push/typings/mfppush.d.ts" />
-import { Injectable, NgZone } from '@angular/core';
+import { Inject, Injectable, NgZone } from '@angular/core';
 import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
 import { environment } from 'src/environments/environment';
 import { StorageService } from 'src/app/services/storage.service';
@@ -8,6 +8,7 @@ import { Token } from '../models/token.model';
 import { ModalController, AlertController, AnimationController, Platform } from '@ionic/angular';
 import { NavigationExtras,Router } from '@angular/router';
 import { ToastService } from '../services/toast.service';
+import { Optional } from '@angular/core';
 
 @Injectable({
   providedIn: 'root'
@@ -18,13 +19,13 @@ export class NotificationsService {
   folderId: string;
 
   constructor(
-    private http: HttpClient,
+     private http: HttpClient,
     private storageService: StorageService,
     private modalController: ModalController,
     public modalCtrl: AlertController,
     private animationController: AnimationController,
     private platform: Platform,
-    private router: Router,
+     private router: Router,
     private toastService: ToastService,
     private zone: NgZone) { }
 
@@ -41,7 +42,7 @@ export class NotificationsService {
 
       const geturl = environment.apiURL + 'notifications/token';
 
-      WLAuthorizationManager.obtainAccessToken("push.mobileclient").then(
+       window['WLAuthorizationManager'].obtainAccessToken("push.mobileclient").then(
         (token) => {
           console.log('Push Notification: Success ' + token);
 
@@ -90,7 +91,7 @@ export class NotificationsService {
   }
 
   async onReceviNotification() {
-    WLAuthorizationManager.obtainAccessToken("push.mobileclient").then(
+    window['WLAuthorizationManager'].obtainAccessToken("push.mobileclient").then(
       (token) => {
         console.log('Push Notification: Success ' + token);