How can I detect if my Flutter app is running in the web?

Issue

I know that I can detect the operating system with Platform.isAndroid, Platform.isIOS, etc. but there isn’t something like Platform.isWeb so how can I detect this?

Solution

There is a global boolean kIsWeb which can tell you whether or not the app was compiled to run on the web.

Documentation: https://api.flutter.dev/flutter/foundation/kIsWeb-constant.html

import 'package:flutter/foundation.dart' show kIsWeb;

if (kIsWeb) {
  // running on the web!
} else {
  // NOT running on the web! You can check for additional platforms here.
}

Answered By – Westy92

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