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Tsuyoshi Chujo

@chooyan.bsky.social
164 followers 138 following 38 posts

Freelance FlutterDev in Japan. Always open to joining Flutter projects. Developer of a Flutter package named crop_your_image pub.dev/packages/crop_your_image Publishing articles mainly about Flutter under the hood chooyan.hashnode.dev

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Tsuyoshi Chujo @chooyan.bsky.social · 02/02/2026
I’ve recently published multiple updates of my drawing package, draw_your_image. I’ve put lots of my ideas to differentiate it from other similar packages, and now it must be a good alternative for more advanced use cases. In this thread, let me explain why!🧵 #FlutterDev
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Tsuyoshi Chujo @chooyan.bsky.social · 23/07/2025
My talk is now introduced on #ftcon25eu website! My topic is, of course, my animated_to package! And also I'll cover how RenderObject works under our widgets. #FlutterDev www.fluttercon.dev/speakers/tsu...
fluttercon.dev
Tsuyoshi Chujo | fluttercon EU
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Tsuyoshi Chujo @chooyan.bsky.social · 14/07/2025
I haven't posted anything to Bluesky for a while, but now let me ask who has tried my package animated_to. It's so simple that the widget named AnimatedTo lets any widgets animate when they update their position; simple but so powerful, isn't it? pub.dev/packages/ani... #FlutterDev
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Tsuyoshi Chujo @chooyan.bsky.social · 23/03/2025
I've published another article about the "explicit" animations of Flutter! Open the link below if you are interested in physics-based animation as well as the basics of AnimationController without using any packages! chooyan.hashnode.dev/all-i-know-a... #FlutterDev
chooyan.hashnode.dev
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Tsuyoshi Chujo @chooyan.bsky.social · 20/03/2025
My animated_to package now introduces “spring simulation” version of AnimatedTo widget, AnimatedTo.spring()! This enables physics-based animation when child updates its position, which means so smooth and natural! Try this by importing the latest version of 0.3.1! pub.dev/packages/ani... #FlutterDev
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Tsuyoshi Chujo @chooyan.bsky.social · 15/01/2025
I've published my resume page using Flutter web on GitHub Pages! Flutter web enables me to embed the demo section for my #FlutterDev packages. Visit there and try them. Also, feel free to contact me if I have chance to join any projects as a freelancer. chooyan-eng.github.io/chooyan_resu...
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Tsuyoshi Chujo @chooyan.bsky.social · 05/01/2025
During the New Year holidays, I've published multiple articles to my "All I Know about Something" series on @hashnode.bsky.social. The knowledge about BuildContext, GlobalKey, and Layout calculation will make your #FlutterDev more enjoyable in 2025! chooyan.hashnode.dev/series/all-i...
chooyan.hashnode.dev
All I Know about Something - Chooyan's Flutter
This series shows my understanding of a certain topic. The articles describe the topic as much as topics in a random order.
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Reposted by Tsuyoshi Chujo
jamie kerber 🍂💜🎃 @kerberjg.bsky.social · 22/10/2024
Figured out how to make starter packs!~ anyone in #FlutterDev ? 💙🦋😊✨ go.bsky.app/EzEZLU7 (I’ll add more people as we go forward, just ping me!)
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Tsuyoshi Chujo @chooyan.bsky.social · 18/12/2024
Do you like moving animations? My new package will let you enjoy with a couple of lines of code and in a few minutes coding. #FlutterDev pub.dev/packages/ani...
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Tsuyoshi Chujo @chooyan.bsky.social · 10/12/2024
crop_your_image allows you to provide cropping UI with both light and dark theme, it’s totally up to you. And version 2.0.0 stable, with a lot of new features and big fixes, is about to be published! stay tuned! #FlutterDev pub.dev/packages/cro...
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Tsuyoshi Chujo @chooyan.bsky.social · 08/12/2024
crop_your_image now introduces undo/redo feature! try cropController.undo() with the version of 2.0.0-dev.2 pub.dev/packages/cro... #FlutterDev
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Tsuyoshi Chujo @chooyan.bsky.social · 07/12/2024
just published a new version of crop_your_image of 2.0.0-dev.1, including refactoring core classes. I'll update this to 2.0.0 stable after checking issues and pull requests. #FlutterDev pub.dev/packages/cro...
pub.dev
crop_your_image 2.0.0-dev.1 | Flutter package
crop_your_image helps your app to embed Widgets for cropping images.
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Tsuyoshi Chujo @chooyan.bsky.social · 04/12/2024
bothered from complex local state management logics? this repository may help introduce you an idea. #FlutterDev github.com/chooyan-eng/...
github.com
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Tsuyoshi Chujo @chooyan.bsky.social · 03/12/2024
Japanese typewriter with 2,400 keys is crazy. en.wikipedia.org/wiki/Japanes...
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Reposted by Tsuyoshi Chujo
The Flutter & Friends conference @flutterfriends.dev · 02/12/2024
The dates are set for Flutter & Friends 2025! 🥳 So mark 31st of August to 2nd of September in your calendars. (Tickets are not released yet)
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Tsuyoshi Chujo @chooyan.bsky.social · 02/12/2024
Hi, folks. Who are interested in this mysterious Japanese typing mechanism on #FlutterDev?
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Tsuyoshi Chujo @chooyan.bsky.social · 11/11/2024
I’v published an article about MVVM on #FlutterDev apps. I’m discussing how MVVM looks like on Flutter and how much it “fits” to Flutter in reality considering its fundamental mechanism. chooyan.hashnode.dev/discussion-m...
chooyan.hashnode.dev
MVVM pattern for Flutter apps
MVVM is one of the most popular architecture patterns for mobile app development. In this article, I'll discuss how MVVM can be applied to Flutter apps, and
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Reposted by Tsuyoshi Chujo
Majid Hajian @mhadaily.bsky.social · 02/11/2024
Here is the official FlutterCommunity on BlueSky bsky.app/profile/flut...
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Tsuyoshi Chujo @chooyan.bsky.social · 11/02/2024
I've just published version 1.0.0 and crop_your_image is now stable! Well tested, web/desktop support, backend logic interchangeable, and some breaking changes are there. Enjoy fully customizable Crop widget! #flutterdev pub.dev/packages/cro...
pub.dev
crop_your_image | Flutter package
crop_your_image helps your app to embed Widgets for cropping images.
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Tsuyoshi Chujo @chooyan.bsky.social · 08/02/2024
just restarted maintaining crop_your_image from restructuring the entire code to achieve more testable and customizable. #flutterdev
an image of crop_your_image’s new structure.
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Tsuyoshi Chujo @chooyan.bsky.social · 07/02/2024
seems my actions (post, follow, like, etc) aren't accepted to bluesky's database immediately.
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Tsuyoshi Chujo @chooyan.bsky.social · 07/02/2024
Who are posting Flutter dev topics in Bluesky?
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