How can I get Flutter version from code?

Question

I want to include the Flutter version in API UserAgent and logs.

Günter Zöchbauer · Accepted Answer · 2017-09-01 14:08:07Z

7

I guess you need a custom build script that creates a file like

lib/src/flutter_version.dart

with content like

const String version = const <String,String>
{
  "channel": "alpha",
  "repositoryUrl": "https://github.com/flutter/flutter.git",
  "frameworkRevision": "d36e2f6191793de66e0a132ad8c86885829bc6b2",
  "frameworkCommitDate": "2017-06-21 15:09:10 -0700",
  "engineRevision": "b0dee695ecb9ea2438f4d74afdca45839858c311",
  "dartSdkVersion": "1.24.0-dev.6.7"
};

which you can create by

echo "const String version = const \<String,String\>" > lib/src/flutter_version.dart
flutter --version --machine >> lib/src/flutter_version.dart
echo ";" >> lib/src/flutter_version.dart

You can then just import it and read the value

import 'package:my_package/src/flutter_version';

main() {
  print(version['frameworkRevision']);
}

For other device information there is also https://github.com/flutter/plugins/tree/master/packages/device_info

answered Sep 1, 2017 at 14:08

Günter Zöchbauer

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3 Comments

Tommy Chang Over a year ago

After 3 years, is there any directly function that can query flutter version form code?

Günter Zöchbauer Over a year ago

Perhaps pub.dev/packages/package_info provides the info you want (haven't checked in a while what exactly it provides).

Tommy Chang Over a year ago

That is "App Version", not Flutter version.

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