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Flutter How do I add my GPL License to the LicensePage shown in the about dialog

I want to license my Flutter application under GPLv3. So I put the GPLv3 license text in the root of my project and named the file LICENSE.

I read in the docs for the LicenseRegistry class that

The flutter tool will automatically collect the contents of all the LICENSE files found at the root of each package into a single LICENSE file in the default asset bundle.

But I don't see the GPLv3 listed on LicensePage, so maybe I don't understand something. How do I get the LicensePage displayed by ShowAboutDialog to include the GPLv3 license under which I'd like to release my application?

Solution

  • Another approach is using the LicenceRegistry class to add in custom licences (called from initState for example).

    import 'package:flutter/foundation.dart';

  @override
  void initState() {
    LicenseRegistry.addLicense(() async* {
      yield LicenseEntryWithLineBreaks(
        ["app name"], 
        "app contents", // 
      );
    });

    super.initState();
  }