import Flutter import UIKit import SpotifyiOS class StatusHandler: NSObject, FlutterStreamHandler { var eventSink: FlutterEventSink? func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? { eventSink = events return nil } func onCancel(withArguments arguments: Any?) -> FlutterError? { eventSink = nil return nil } }