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Package detailsv1.0.4

icons_helper

This provides access to the full library of Icons & FontAwesomeIcons at runtime when the specific icons needed are not known at compile time.

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Install package

flutter pub add icons_helper

Package Overview

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IconsHelper is a Flutter/Dart package that enables runtime access to a comprehensive library of icons, including both standard Icons and FontAwesomeIcons. It's particularly useful when the required icons are determined dynamically during app execution rather than being known at compile time. This flexibility allows developers to build more adaptable UIs, such as themeable icon pickers or dynamic icon rendering based on user input. The package simplifies icon management by providing a unified interface for accessing a wide range of icon sets without needing to import each one individually.

Use cases

  • Dynamic icon selection
  • Theme-based icon rendering
  • Runtime icon lookup
  • Custom icon picker components
  • Extensible icon management

Key features

  • Full access to Icons and FontAwesomeIcons
  • Runtime icon resolution
  • No need for static imports
  • Simple API for dynamic usage
  • Supports multiple icon libraries

Suitable for

  • Apps with dynamic UIs
  • Icon picker interfaces
  • Theme customization features
  • Developers needing flexible icon handling
  • Projects avoiding compile-time icon declarations

Considerations

  • Requires internet for FontAwesomeIcons if not bundled
  • Slight overhead from dynamic resolution
  • Not ideal for performance-critical icon rendering
  • Limited to predefined icon sets
  • May increase bundle size slightly

Original README

Original README snapshot from the linked source repository. Visit the repository for the latest content.

icons_helper

This package's use case is to provide access to the full library of Icons and FontAwesomeIcons (currently FontAwesome 9 for the most part, although a few new icons need some addition/changes) at runtime when the specific icons needed are not known at compile time. As such, all Tree Shaking is totally worked around/defeated for Icons and FontAwesomeIcons, so know that before you use the library. But since in our application, for example, the icon names come in from our backend and we don't want to have to re-release each time it specifies a new icon, we are GOOD with that. This is intentional so we can specify a new icon to be displayed just by sending that new text string in our push notification/record. This is a convenience package that provides bracket notiation access to Material Design Icons and Font Awesome Flutter icons (via @brianegan's font_awesome_flutter package). For now, I have just statically generated the Map to map string names to member names. This means any new icons won't be automatically discovered. There's a way to use codegen and mirror in a non-flutter dart app to generate this and then output/maintain them, but just using a google sheet and cut and pasting was faster for something I personally don't need to update often. That sheet is here at https://docs.google.com/spreadsheets/d/1IpWJytpkrJI9_9hwPKY5oXJLRLGjQuG3pUP7eUIqHn4/edit?usp=sharing. I started writing such a utility but gave up because it wasn't worth the time.

Thanks & Contributions

Many thanks to Dennis Bappert (@dennisbappert) and S McDowall (@sjmcdowall) for updates to this and sourcing back their changes publicly and in the true spirit of open source. This includes their fixes.

Using

The methods you may want to consider using include:

getIconUsingPrefix(name: "PREFIX.ICON_NAME") - if PREFIX is "fa" or "fontawesome" the icon_name after the "." will be resolved against the font awesome icons first, if that fails, it'll go to Material Design Icons. If there is no PREFIX.ICON_NAME, it'll fail over to just trying to resolve Material First, then Font Awesome.

getIconGuessFavorFA(name:"ICON_NAME") - if there is an icon named ICON_NAME in FA, return that, otherwise, try Material

getIconGuessFavorMaterial(name:"ICON_NAME") - if there is an icon named ICON_NAME in Material Design, return that, otherwise, try FA

All methods will return null if icon doesn't exist.

Yes, this is a quick and dirty library that could use tons of improvement and does a lot of things poorly or doesn't do things. If you want to change/fix/help, submit a PR and I'll def accept all help that I think improves this lib.

I basically wrote this as a hack/work around to https://github.com/flutter/flutter/issues/16189.

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