Flutter-geolocator: 별도의 격리에서 위치를 가져올 때 java.lang.NullPointerException

🐛 버그 보고서

플러그인이 workmanager를 사용하여 별도의 분리에서 실행되도록 백그라운드 프로세스에서 위치를 가져

Failed to handle method call
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getPackageName()' on a null object reference

다음은 스택 추적입니다.

E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234): Failed to handle method call
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234): java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getPackageName()' on a null object reference
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.google.android.gms.common.GooglePlayServicesUtilLight.isGooglePlayServicesAvailable(Unknown Source:12)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.google.android.gms.common.GoogleApiAvailabilityLight.isGooglePlayServicesAvailable(Unknown Source:5)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.google.android.gms.common.GoogleApiAvailability.isGooglePlayServicesAvailable(Unknown Source:94)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.google.android.gms.common.GoogleApiAvailabilityLight.isGooglePlayServicesAvailable(Unknown Source:3)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.google.android.gms.common.GoogleApiAvailability.isGooglePlayServicesAvailable(Unknown Source:93)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.baseflow.googleapiavailability.GoogleApiAvailabilityPlugin.onMethodCall(GoogleApiAvailabilityPlugin.java:105)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:231)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:93)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:642)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/MethodChannel#flutter.baseflow.com/google_api_availability/methods( 5234):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

복제 단계

문제를 재현하기 위해 샘플 앱을 만들었습니다 : https://github.com/estevez-dev/sample_flutter_app
Gitpod에서 실행되도록 미리 구성되어 있습니다. 플로팅 버튼을 탭하여 백그라운드 작업을 시작하면 getCurrentPosition 예외가 발생합니다.
이 응용 프로그램은없는 요청에 위치 권한, 당신은 안드로이드 설정에서 수동으로 허용 할 필요가 있습니다.

구성

플러그인 버전 : 5.3.0

플랫폼:

• [] : iphone : iOS
• [x] : 로봇 : Android