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Tommy Chow 57e7f73aa8 perf(chat): cut per-flush rebuild and decode costs in message list 
every 200ms flush shifted all sliver indices (reverse list), and the
per-row ObjectKeys without findChildIndexCallback made the framework
deactivate and re-inflate every built row instead of moving it. add the
callback so elements move, and cache ChatMessage widget instances per
message (Expando) so unchanged rows skip build() entirely via the
identical-widget short-circuit. IRCMessage.renderRevision invalidates
rows the CLEARCHAT/CLEARMSG handlers mutate in place.

also decode emotes/badges at display size (memCacheHeight = logical
size x devicePixelRatio) instead of the CDN's 3x-4x intrinsic size:
several-fold less image memory and raster cost, animation preserved
(ResizeImage applies the target size to the whole codec).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-03 14:45:20 -04:00
.claude feat(video,chat): native player, ad-break awareness, chat send/delay reliability, and tab redesign (#567) 2026-06-13 17:06:24 -04:00
.github build: pin exact flutter version in pubspec as single source of truth 2026-07-02 19:52:09 -04:00
.vscode add .env-based config, token script, and VS Code launch configs 2026-03-01 20:09:39 -08:00
android ci(workflows): align xcode setup and refresh locks 2026-06-13 15:52:15 -07:00
assets release v5.1.0 2026-06-13 16:18:02 -07:00
ios ci(workflows): align xcode setup and refresh locks 2026-06-13 15:52:15 -07:00
lib perf(chat): cut per-flush rebuild and decode costs in message list 2026-07-03 14:45:20 -04:00
scripts switch token script to implicit flow and fix interceptor hanging Future 2026-03-07 20:37:23 -08:00
test perf(chat): cut per-flush rebuild and decode costs in message list 2026-07-03 14:45:20 -04:00
web ci(workflows): align xcode setup and refresh locks 2026-06-13 15:52:15 -07:00
.env.example add .env-based config, token script, and VS Code launch configs 2026-03-01 20:09:39 -08:00
.gitignore add .env-based config, token script, and VS Code launch configs 2026-03-01 20:09:39 -08:00
.mcp.json migrate web to next 16 template and redesign landing page (#526) 2026-02-17 19:53:43 -08:00
.metadata Upgrade Flutter/Dart and dependencies (#265) 2023-05-30 21:10:04 -04:00
AGENTS.md docs(agents): drop duplicated never section and checklist meta-advice, flatten layout 2026-07-02 20:25:11 -04:00
analysis_options.yaml v5 (#463) 2026-01-01 22:28:17 -05:00
firebase.json Re-run flutterfire configure and fix plugin versions 2024-08-13 00:03:53 -07:00
LICENSE Create LICENSE 2022-01-11 15:29:38 -05:00
pubspec.lock build: pin exact flutter version in pubspec as single source of truth 2026-07-02 19:52:09 -04:00
pubspec.yaml build: pin exact flutter version in pubspec as single source of truth 2026-07-02 19:52:09 -04:00
README.md replace get-twitch-token bash script with cross-platform Dart script 2026-03-07 16:59:31 -08:00

README.md

Showcase of the Frosty app with screenshots in a masonry grid

Badge showing the CI status. Badge showing the number of open issues. Badge showing the date of the last commit. Badge showing the current license of the repo. Badge showing the version of the latest release.

Download

Apple App Store badge. Google Play Store badge.

Why

The official Twitch mobile app doesn't support emotes from 7TV, BetterTTV (BTTV), and FrankerFaceZ (FFZ) — third-party extensions for Twitch used by millions. As a result, only emote text names are rendered rather than their actual image or GIF, making the chat unreadable in many channels.

Features

  • Support for 7TV, BetterTTV, and FrankerFaceZ emotes and badges
  • Browse followed streams, top streams, and top categories
  • Autocomplete for emotes and user mentions
  • Light, dark, and black (OLED) themes
  • Search for channels and categories
  • See and filter chatters in a channel
  • Local chat user message history
  • Theater and fullscreen mode
  • Watch live streams with chat
  • Picture-in-picture mode
  • Block and report users
  • Emote menu
  • Sleep timer
  • And more...

For a more detailed overview, visit frostyapp.io.

Development setup

  1. Install Flutter.

  2. Clone this repo (e.g., git clone https://github.com/tommyxchow/frosty.git).

  3. Go to the Twitch dev console and register a new application to retrieve a Client ID and Client Secret.

  4. Copy .env.example to .env and fill in your credentials:

    cp .env.example .env

  5. Run flutter pub get to fetch all the dependencies.

  6. Choose an emulator or device and run the app! The included VS Code launch configurations will automatically read your .env file.

  7. (Optional) Run dart run scripts/get_twitch_token.dart to quickly get a user auth token. Long-press the Anonymous account tile in the app to log in.

Important

Frosty uses MobX for state management. Please refer to the documentation about code generation, otherwise your changes within MobX stores may not be applied.

Donate

If you appreciate my work and would like to donate/tip, you can through:

Otherwise, downloading Frosty, leaving a review, or starring this repository is more than enough to show support. Thank you!

License

Frosty is licensed under AGPL-3.0-or-later.