icgoogo

i think you should merge this pr again to prevent null backgroundColor

because there is `_effectiveType` condition to be `shifting` or `fixed`.  since the definition of `shifting` type is `...the default behavior will...

@TahaTesser but from @AbhishekDoshi26 case, the item's backgroundColor is not set and the BottomNavigationBar.backgroundColor will be null. while in the documentation, it overrides the backgroundColor if BottomNavigationBarItem background color is...

i experienced on android @danagbemava-nc

## Command ``` flutter run --flavor prod -t lib/main.dart ``` ## Steps to Reproduce 1. ... 2. ... 3. ... ## Logs RPCError ``` #0 new _OutstandingRequest (package:vm_service/src/vm_service.dart:1746:45) #1 VmService._call...

the error is not intermittent. always get the error whenever pressing j button on my keyboard. what is j button doing exactly? then quoted the error from master channel

yes, i can reproduce it with new flutter app. here is the link to issue the crash [Link Issue](https://github.com/flutter/flutter/issues/new?title=%5Btool_crash%5D+RPCError&body=%23%23+Command%0A%60%60%60%0Aflutter+run%0A%60%60%60%0A%0A%23%23+Steps+to+Reproduce%0A1.+...%0A2.+...%0A3.+...%0A%0A%23%23+Logs%0ARPCError%0A%60%60%60%0A%230++++++new+_OutstandingRequest+%28package%3Avm_service%2Fsrc%2Fvm_service.dart%3A1746%3A45%29%0A%231++++++VmService._call+%28package%3Avm_service%2Fsrc%2Fvm_service.dart%3A2262%3A21%29%0A%232++++++VmService.callServiceExtension+%28package%3Avm_service%2Fsrc%2Fvm_service.dart%3A2233%3A14%29%0A%233++++++VmService.callMethod+%28package%3Avm_service%2Fsrc%2Fvm_service.dart%3A2215%3A12%29%0A%234++++++FlutterVmService.callMethodWrapper+%28package%3Aflutter_tools%2Fsrc%2Fvmservice.dart%3A463%3A28%29%0A%235++++++FlutterVmService.renderFrameWithRasterStats+%28package%3Aflutter_tools%2Fsrc%2Fvmservice.dart%3A562%3A49%29%0A%236++++++ResidentHandlers.debugFrameJankMetrics+%28package%3Aflutter_tools%2Fsrc%2Fresident_runner.dart%3A691%3A35%29%0A%3Casynchronous+suspension%3E%0A%237++++++TerminalHandler.processTerminalInput+%28package%3Aflutter_tools%2Fsrc%2Fresident_runner.dart%3A1739%3A7%29%0A%3Casynchronous+suspension%3E%0A%60%60%60%0A%60%60%60%0A%5B%E2%9C%93%5D+Flutter+%28Channel+stable%2C+3.3.10%2C+on+macOS+13.0.1+22A400+darwin-arm%2C+locale+es-ID%29%0A++++%E2%80%A2+Flutter+version+3.3.10+on+channel+stable+at+%2FUsers%2Fhammadsyr%2FHammad%2FJadiAnakIT%2Fflutter%0A++++%E2%80%A2+Upstream+repository+https%3A%2F%2Fgithub.com%2Fflutter%2Fflutter.git%0A++++%E2%80%A2+Framework+revision+135454af32+%285+weeks+ago%29%2C+2022-12-15+07%3A36%3A55+-0800%0A++++%E2%80%A2+Engine+revision+3316dd8728%0A++++%E2%80%A2+Dart+version+2.18.6%0A++++%E2%80%A2+DevTools+version+2.15.0%0A%0A%5B%E2%9C%93%5D+Android+toolchain+-+develop+for+Android+devices+%28Android+SDK+version+33.0.0%29%0A++++%E2%80%A2+Android+SDK+at+%2FUsers%2Fhammadsyr%2FLibrary%2FAndroid%2Fsdk%0A++++%E2%80%A2+Platform+android-33%2C+build-tools+33.0.0%0A++++%E2%80%A2+ANDROID_HOME+%3D+%2FUsers%2Fhammadsyr%2FLibrary%2FAndroid%2Fsdk%0A++++%E2%80%A2+Java+binary+at%3A+%2FApplications%2FAndroid+Studio.app%2FContents%2Fjre%2FContents%2FHome%2Fbin%2Fjava%0A++++%E2%80%A2+Java+version+OpenJDK+Runtime+Environment+%28build+11.0.13%2B0-b1751.21-8125866%29%0A++++%E2%80%A2+All+Android+licenses+accepted.%0A%0A%5B%E2%9C%93%5D+Xcode+-+develop+for+iOS+and+macOS+%28Xcode+14.1%29%0A++++%E2%80%A2+Xcode+at+%2FApplications%2FXcode.app%2FContents%2FDeveloper%0A++++%E2%80%A2+Build+14B47b%0A++++%E2%80%A2+CocoaPods+version+1.11.3%0A%0A%5B%E2%9C%93%5D+Chrome+-+develop+for+the+web%0A++++%E2%80%A2+Chrome+at+%2FApplications%2FGoogle+Chrome.app%2FContents%2FMacOS%2FGoogle+Chrome%0A%0A%5B%E2%9C%93%5D+Android+Studio+%28version+2021.3%29%0A++++%E2%80%A2+Android+Studio+at+%2FApplications%2FAndroid+Studio.app%2FContents%0A++++%E2%80%A2+Flutter+plugin+can+be+installed+from%3A%0A++++++%F0%9F%94%A8+https%3A%2F%2Fplugins.jetbrains.com%2Fplugin%2F9212-flutter%0A++++%E2%80%A2+Dart+plugin+can+be+installed+from%3A%0A++++++%F0%9F%94%A8+https%3A%2F%2Fplugins.jetbrains.com%2Fplugin%2F6351-dart%0A++++%E2%80%A2+Java+version+OpenJDK+Runtime+Environment+%28build+11.0.13%2B0-b1751.21-8125866%29%0A%0A%5B%E2%9C%93%5D+IntelliJ+IDEA+Ultimate+Edition+%28version+2022.2.2%29%0A++++%E2%80%A2+IntelliJ+at+%2FApplications%2FIntelliJ+IDEA.app%0A++++%E2%80%A2+Flutter+plugin+version+71.2.5%0A++++%E2%80%A2+Dart+plugin+version+222.4167.21%0A%0A%5B%E2%9C%93%5D+IntelliJ+IDEA+Community+Edition+%28version+2022.2.2%29%0A++++%E2%80%A2+IntelliJ+at+%2FApplications%2FIntelliJ+IDEA+CE.app%0A++++%E2%80%A2+Flutter+plugin+version+70.2.5%0A++++%E2%80%A2+Dart+plugin+version+222.4167.21%0A%0A%5B%E2%9C%93%5D+VS+Code+%28version+1.74.2%29%0A++++%E2%80%A2+VS+Code+at+%2FApplications%2FVisual+Studio+Code.app%2FContents%0A++++%E2%80%A2+Flutter+extension+version+3.56.0%0A%0A%5B%E2%9C%93%5D+Connected+device+%282+available%29%0A++++%E2%80%A2+macOS+%28desktop%29+%E2%80%A2+macos++%E2%80%A2+darwin-arm64+++%E2%80%A2+macOS+13.0.1+22A400+darwin-arm%0A++++%E2%80%A2+Chrome+%28web%29++++%E2%80%A2+chrome+%E2%80%A2+web-javascript+%E2%80%A2+Google+Chrome+109.0.5414.87%0A%0A%5B%E2%9C%93%5D+HTTP+Host+Availability%0A++++%E2%80%A2+All+required+HTTP+hosts+are+available%0A%0A%E2%80%A2+No+issues+found%21%0A%0A%60%60%60%0A%0A%23%23+Flutter+Application+Metadata%0A%2A%2AType%2A%2A%3A+app%0A%2A%2AVersion%2A%2A%3A+1.0.0%2B1%0A%2A%2AMaterial%2A%2A%3A+true%0A%2A%2AAndroid+X%2A%2A%3A+false%0A%2A%2AModule%2A%2A%3A+false%0A%2A%2APlugin%2A%2A%3A+false%0A%2A%2AAndroid+package%2A%2A%3A+null%0A%2A%2AiOS+bundle+identifier%2A%2A%3A+null%0A%2A%2ACreation+channel%2A%2A%3A+stable%0A%2A%2ACreation+framework+version%2A%2A%3A+135454af32477f815a7525073027a3ff9eff1bfd%0A%0A&labels=tool%2Csevere%3A+crash)

since I can't run my app with this library because of the version issues, so @pinkfish I think this pr should be merged to be able to be used by...