Use this package instead of this.

flutter_brand_icons v1.1.0

See Catalog

Important Note

Naming conventions have been changed for better readability and consistancy with all other flutter icon packs

To convert from the catalog simply follow this method

.NET => dotNet

Apple Pay => applepay

if still you face any problems have a look into the documentation (class BrandIcons), you could also checkout the example app for a comprehensive catalog with the proper naming system

655 Brand Icons for Flutter

This Flutter package allows you to use all the Brand Icons created by Dan Leech and others

Find it at pub.dartlang.org

Installation

In the dependencies: section of your pubspec.yaml, add the following line:

flutter_brand_icons: <latest_version>

Usage

import "package:flutter_brand_icons/flutter_brand_icons.dart";

class MyAwesomeWidget extends StatelessWidget {
  Widget build(BuildContext context) {
    return IconButton(
      icon: Icon(BrandIcons.github),
      onPressed: () {
          print("awesome platform to share code and ideas");
      }
    );
  }
}

Example

View the flutter app in the example directory

Screenshot