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