Check network connection and background colorchange

src/app/app.module.ts

@@ -34,6 +34,7 @@ import {MatDatepickerModule} from '@angular/material/datepicker';
 // import { FCM } from 'cordova-plugin-fcm-with-dependecy-updated/ionic/ngx';
 import {MAT_DATE_FORMATS, MAT_DATE_LOCALE} from '@angular/material/core';
 import { NgxMatDateFormats, NGX_MAT_DATE_FORMATS } from '@angular-material-components/datetime-picker';
+import { Network } from '@ionic-native/network/ngx';
 
 
 import {
@@ -100,6 +101,7 @@ import { ScreenOrientation } from '@ionic-native/screen-orientation/ngx';
     WebsocketService,
     ChatService,
     ScreenOrientation,
+    Network
   ],
   bootstrap: [AppComponent],
   schemas: [CUSTOM_ELEMENTS_SCHEMA]