The Dart SDK lives inside the bin/cache/dart-sdk folder of the Flutter SDK. It will be downloaded the first time you run the flutter command, so may not exist if you’ve not yet run flutter . Follow this answer to receive notifications.14 May 2018
Read moreHow do you use Dart sdk in Flutter?
Open Android Studio and click on Configure. Then, select Plugins. From the resulting screen, click on Flutter and click on Install. Click on Accept and then Yes to install the Dart plugin.
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