Doorbell.io plugin for nativescript
tns plugin add nativescript-doorbell.io
import { showDoorbellFeedback } from 'nativescript-doorbell.io';
import { isIOS } from 'tns-core-modules/platform';
const viewController = isIOS ? this.feedbackContainer.nativeElement.ios.viewController : null;
showDoorbellFeedback(appId, appKey, viewController);
FeedbackContainer is a StackLayout in the html of the page where the function is called from. It does not need to have any particular alignment. It is only used by iOS.
appId and appKey can be obtained from Doorbell.io