Auto generated flutter plugin error Android Studio 3.1

[sebasbad]

What happened

Running a flutter app on an android emulator and an android device using Android Studio

Version information

Android Studio 3.1 • Flutter plugin io.flutter 23.1.2 • Dart plugin 173.4700

Flutter • channel alpha • https://github.com/flutter/flutter.git
Framework • revision 8f65fec5f5 (4 months ago) • 2017-12-12 09:50:14 -0800
Engine • revision edaecdc8b8
Tools • Dart 1.25.0-dev.11.0

Exception

Error evaluating expression:

Unhandled exception:
NoSuchMethodError: Class 'WidgetInspectorService' has no instance method 'isWidgetTreeReady'.
Receiver: Instance of 'WidgetInspectorService'
Tried calling: isWidgetTreeReady("intellij_inspector_5")
#0      Object.noSuchMethod (dart:core-patch/dart:core/object_patch.dart:46)
#1      Eval (evaluate:source:1:39)
#2      Eval (evaluate:source:1:39)

com.intellij.openapi.diagnostic.Logger$EmptyThrowable
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:140)
	at io.flutter.inspector.EvalOnDartLibrary$2.received(EvalOnDartLibrary.java:124)
	at org.dartlang.vm.service.VmService.forwardResponse(VmService.java:456)
	at org.dartlang.vm.service.VmServiceBase.processResponse(VmServiceBase.java:450)
	at org.dartlang.vm.service.VmServiceBase$1.onMessage(VmServiceBase.java:96)
	at de.roderick.weberknecht.WebSocketReceiver.run(WebSocketReceiver.java:65)

Exception

Error evaluating expression:
Unhandled exception:

NoSuchMethodError: Class 'WidgetInspectorService' has no instance method 'isWidgetTreeReady'.
Receiver: Instance of 'WidgetInspectorService'
Tried calling: isWidgetTreeReady("intellij_inspector_5")
#0      Object.noSuchMethod (dart:core-patch/dart:core/object_patch.dart:46)
#1      Eval (evaluate:source:1:39)

com.intellij.openapi.diagnostic.Logger$EmptyThrowable
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:140)
	at io.flutter.inspector.EvalOnDartLibrary$2.received(EvalOnDartLibrary.java:124)
	at org.dartlang.vm.service.VmService.forwardResponse(VmService.java:456)
	at org.dartlang.vm.service.VmServiceBase.processResponse(VmServiceBase.java:450)
	at org.dartlang.vm.service.VmServiceBase$1.onMessage(VmServiceBase.java:96)
	at de.roderick.weberknecht.WebSocketReceiver.run(WebSocketReceiver.java:65)

[devoncarew]

@sebasbad, thanks for the report!

revision 8f65fec5f5 (4 months ago)

The flutter alpha channel is pretty old at this point. I would:

• git checkout master
• git pull
• flutter channel beta
• flutter upgrade

[devoncarew]

That will leave you up-to-date, and on the beta channel.