Crashes on Android when first run: getServiceRequestPermissionsResultListener()' on a null object reference

[oliverbytes]

Errors below seem related to flutterlocation package

java.lang.NullPointerException: Attempt to invoke virtual method 'io.flutter.plugin.common.PluginRegistry$RequestPermissionsResultListener com.lyokone.location.FlutterLocationService.getServiceRequestPermissionsResultListener()' on a null object reference E/AndroidRuntime( 4692): at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5309) E/AndroidRuntime( 4692): at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5339) E/AndroidRuntime( 4692): at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:5631) E/AndroidRuntime( 4692): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5561) E/AndroidRuntime( 4692): at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:69) E/AndroidRuntime( 4692): at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) E/AndroidRuntime( 4692): at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) E/AndroidRuntime( 4692): at android.app.ClientTransactionHandler.executeTransaction(ClientTransactionHandler.java:58) E/AndroidRuntime( 4692): at android.app.ActivityThread.handleRelaunchActivityLocally(ActivityThread.java:5614) E/AndroidRuntime( 4692): at android.app.ActivityThread.access$3700(ActivityThread.java:274) E/AndroidRuntime( 4692): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2256) E/AndroidRuntime( 4692): at android.os.Handler.dispatchMessage(Handler.java:106) E/AndroidRuntime( 4692): at android.os.Looper.loop(Looper.java:233) E/AndroidRuntime( 4692): at android.app.ActivityThread.main(ActivityThread.java:8010) E/AndroidRuntime( 4692): at java.lang.reflect.Method.invoke(Native Method) E/AndroidRuntime( 4692): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:631) E/AndroidRuntime( 4692): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:978) E/AndroidRuntime( 4692): Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'io.flutter.plugin.common.PluginRegistry$RequestPermissionsResultListener com.lyokone.location.FlutterLocationService.getServiceRequestPermissionsResultListener()' on a null object reference E/AndroidRuntime( 4692): at com.lyokone.location.LocationPlugin.deinitialize(LocationPlugin.java:117) E/AndroidRuntime( 4692): at com.lyokone.location.LocationPlugin.detachActivity(LocationPlugin.java:56) E/AndroidRuntime( 4692): at com.lyokone.location.LocationPlugin.onDetachedFromActivityForConfigChanges(LocationPlugin.java:74) E/AndroidRuntime( 4692): at io.flutter.embedding.engine.FlutterEnginePluginRegistry.detachFromActivityForConfigChanges(FlutterEnginePluginRegistry.java:328) E/AndroidRuntime( 4692): at io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.onDetach(FlutterActivityAndFragmentDelegate.java:510) E/AndroidRuntime( 4692): at io.flutter.embedding.android.FlutterFragment.onDetach(FlutterFragment.java:644) E/AndroidRuntime( 4692): at androidx.fragment.app.Fragment.performDetach(Fragment.java:2839) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1034) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManagerImpl.java:1238) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1303) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentManagerImpl.dispatchStateChange(FragmentManagerImpl.java:2659) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentManagerImpl.dispatchDestroy(FragmentManagerImpl.java:2644) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentController.dispatchDestroy(FragmentController.java:329) E/AndroidRuntime( 4692): at androidx.fragment.app.FragmentActivity.onDestroy(FragmentActivity.java:366) E/AndroidRuntime( 4692): at android.app.Activity.performDestroy(Activity.java:8251) E/AndroidRuntime( 4692): at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1364) E/AndroidRuntime( 4692): at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5294) E/AndroidRuntime( 4692): ... 16 more