There in no Flutter tab in Unity

[burnix13]

Guys, sorry for creating this topic, but I don't understand how section "Flutter" appeared in your Unity Editor and what should I do so it appears in mine! Thanks!

[buchwuch]

Same error here.

[AuMaHub]

Read Prerequisites in README.md

[saqib-jallal]

Make sure you have imported FlutterUnityIntegration-v4.unitypackage into your unity project.

[matwright]

Do you see errors in your Unity console? I had problerms with multiple assemblies compiled with the same name which Unity doesn't allow in v2020

[pinnakkkk]

Make sure you have imported FlutterUnityIntegration-v4.unitypackage into your unity project.

I did that n still nothing ;/

[quadbyte]

You most likely need to delete JSONDotNet from your assets which comes with FlutterUnityIntegration. In my case it was a duplicate.

[DavidCotovanu]

@quadbyte's answer worked in my case

I don't have much experience with unity, but I think an error should be thrown in this case to let the user know what's wrong.

@juicycleff I think it would be a good idea to add a note somewhere in the readme about this issue. Simply tell people to make sure they don't have duplicate stuff like JSONDotNet, not sure if it applies to other folders.

[ltsme]

You most likely need to delete JSONDotNet from your assets which comes with FlutterUnityIntegration. In my case it was a duplicate.

I resolved it, when importing flutter_unity_widget(unitypackages) files, check-off JSONDotNet folder then successfully imported without any errors.