Flutter headless runner + hot restart == main running twice #30918
Description
I have an issue with the flutter headless runner. When I hit hot restart it seems like my apps main runs twice. Here is a minimal example.
Performing hot restart...
Syncing files to device Razvan’s iPad...
flutter: main called
Restarted application in 2,077ms.
flutter: main called
[VERBOSE-2:ui_dart_state.cc(148)] Unhandled Exception: MissingPluginException(No implementation found for method ForegroundRunner.initialize on channel com.app/foreground_channel)
#0 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:300:7)
<asynchronous suspension>
#1 _MyAppState.initState (package:double_main/main.dart:24:13)
#2 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3846:58)
#3 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
#4 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
#5 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
#6 RenderObjectToWidgetElement._rebuild (package:flutter/src/widgets/binding.dart:933:16)
#7 RenderObjectToWidgetElement.mount (package:flutter/src/widgets/binding.dart:904:5)
#8 RenderObjectToWidgetAdapter.attachToRenderTree.<anonymous closure> (package:flutter/src/widgets/binding.dart:850:17)
#9 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2253:19)
#10 RenderObjectToWidgetAdapter.attachToRenderTree (package:flutter/src/widgets/binding.dart:849:13)
#11 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.attachRootWidget (package:flutter/src/widgets/binding.dart:736:7)
#12 runApp (package:flutter/src/widgets/binding.dart:780:7)
#13 main (package:double_main/main.dart:8:3)
#14 _runMainZoned.<anonymous closure>.<anonymous closure> (dart:ui/hooks.dart:189:25)
#15 _rootRun (dart:async/zone.dart:1124:13)
#16 _CustomZone.run (dart:async/zone.dart:1021:19)
#17 _runZoned (dart:async/zone.dart:1516:10)
#18 runZoned (dart:async/zone.dart:1500:12)
#19 _runMainZoned.<anonymous closure> (dart:ui/hooks.dart:180:5)
#20 _startIsolate.<anonymous closure> (dart:isolate/runtime/libisolate_patch.dart:300:19)
#21 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)