Flutter Icons 3 dots
Android
iOS
To show the menu icon (based on the platform):
import 'dart:io';// ...@overrideWidget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('AppBar'), actions: [ IconButton( onPressed: () {}, icon: Icon(Platform.isAndroid ? Icons.more_vert : Icons.more_horiz), ), ], ), );}