'SwiftUI Widget: 'main' attribute can only apply to one type in a module

I've created a Widget and I'm adding @main on top of the declaration.

However, when I switch to the Widget extension target and run it, I get the error 'main' attribute can only apply to one type in a module because I also have a @main in my main app file (the entry point). I need to, depending on whether I want to run the app or the widget target, remove the @main from the target that I don't want to run, run it and later on add it.

Is there something I'm doing wrong? I have tried to look this up and I haven't found any mention of it.

Thanks in advance!

swiftui widgetkit

Solution 1:^[1]

You can only have one entry-point per target. You might have one of the two files (defining @main) included in the wrong target.

Open up both files in XCode, then open Inspectors and check if the Widget-related file target-membership is the WidgetExtension (only) and the App related file in the Apps target.

This might resolve your issue.

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Solution 1	Dominik Seemayr

'SwiftUI Widget: 'main' attribute can only apply to one type in a module

Solution 1:[1]

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Solution 1:^[1]