{{ geoPostalCode }} {{ geoCity }} not fetching current location geolocation plugin

</ion-title>
<ion-list lines="none">
  <ion-item>
     <ion-label><ion-button (click)="getGeolocation()" size="small">My Location</ion-button></ion-label>
    <ion-label>Address: {{ geoPostalCode }} {{ geoCity }} </ion-label>
	
  </ion-item>
</ion-list>