Sql bug fixed

src/app/services/network-connection.service.ts

@@ -0,0 +1,28 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs'
+import { Platform } from '@ionic/angular'
+
+@Injectable({
+  providedIn: 'root'
+})
+
+export class NetworkConnectionService {
+  online: boolean = true;
+
+  constructor(){}
+
+  checkOnline() {
+    window.addEventListener('online', (on) => {
+      this.online === true;
+      console.log('Became online');
+    });
+  }
+
+  checkOffline() {
+    window.addEventListener('offline', (off) => {
+      this.online === false;
+      console.log('Became offline')
+    });
+  }
+
+}