MissingPluginException while using plugin for flutter

flutter clean

Inside the console did the job as stated here

If you are using hot restart or hot reload, it won't do the trick. Since Flutter has to inject plugin dependencies into the platform-specific parts of your app, hot restart/hot reload is not enough to trigger the injection. Check this issue for more.

Close the app and execute flutter run command.

I faced this Error when using Url_launcher package. just had to stop and run the app, issue got solved