Alamin Karno

Alamin Karno This is the Official page of the "Alamin Karno" YouTube Channel. Here you can find all updates. Thanks For Supporting me.


- Md.

Al-Amin
B.Sc in CSE, Daffodil Internation University
Android App Development Instructor, Instuctory Mobile Application Development Course
Flutter Application Development Course
Dart Programming Course

🎉 Exciting news! Crisp Chat Flutter plugin v2.4.0 has been released.With this update, you can now send custom events to ...
09/08/2025

🎉 Exciting news! Crisp Chat Flutter plugin v2.4.0 has been released.

With this update, you can now send custom events to your Crisp sessions using the new pushSessionEvent function — personalize your chats with event names and colors.

We’ve also updated the minimum Dart SDK version to 2.15.0 to keep things modern and smooth.

Upgrade today to unlock these new features and improve your Crisp integration!

🤔 Is Domain-Driven Design too much for Flutter apps, or exactly what we need to scale them right?Just dropped a new blog...
23/07/2025

🤔 Is Domain-Driven Design too much for Flutter apps, or exactly what we need to scale them right?

Just dropped a new blog where I explore how DDD fits into Flutter development — when it’s worth it, how to apply it, and real-world insights from building complex apps.

If you're serious about app architecture, give it a read!

💡 Tired of copy-pasting the same features across multiple Flutter projects?It’s time to build smarter with a plugin-frie...
22/07/2025

💡 Tired of copy-pasting the same features across multiple Flutter projects?
It’s time to build smarter with a plugin-friendly architecture!

In my latest blog, I show you how to structure your Flutter app for maximum reusability and modularity — so your features can work like plug-and-play tools. 🔌

Perfect for teams, large codebases, or anyone looking to scale cleanly.

📖 Give it a read if you want to future-proof your Flutter code!

📱 Building a Flutter app that keeps getting bigger (and harder to manage)?It might be time to rethink your folder struct...
21/07/2025

📱 Building a Flutter app that keeps getting bigger (and harder to manage)?
It might be time to rethink your folder structure.

In my latest blog, I dive into the Feature-First Folder Structure — a smarter, cleaner way to scale your Flutter apps.
Perfect for teams, easier to maintain, and made for long-term success.

Give it a read if you’re tired of getting lost in lib/ 😅

🛠️ Building a large Flutter app?If your codebase is starting to feel messy or hard to maintain, it’s time to rethink you...
20/07/2025

🛠️ Building a large Flutter app?
If your codebase is starting to feel messy or hard to maintain, it’s time to rethink your architecture.

In my new blog, I’ve shared how to implement Effective Layered Architecture in large Flutter projects — with real-world structure, examples, and tips that can save you from future headaches.

💡 Learn how to scale your app the right way and keep your codebase clean, modular, and easy to work with.

Stop using Future when you need a Stream (and vice versa)!I’ve seen this mistake too often in Flutter projects.So, I wro...
17/07/2025

Stop using Future when you need a Stream (and vice versa)!
I’ve seen this mistake too often in Flutter projects.

So, I wrote a clear, beginner-friendly guide explaining the difference, real-world use cases, and tips to write cleaner async code.
A must-read if you care about scalable apps.

🤯 Ever used Dart’s null safety and still got a crash?That happened to me a single ! brought down my app.I thought Dart h...
16/07/2025

🤯 Ever used Dart’s null safety and still got a crash?

That happened to me a single ! brought down my app.
I thought Dart had my back… but I misunderstood how null safety actually works.

So I wrote a blog about it from real pain to real learning.

📌 In this post, I shared:
✅ What ?, !, late, and required really mean
✅ Why ! can be dangerous if you’re not careful
✅ Real-world examples and safer alternatives
✅ Tips to write crash-proof, clean Dart code

Whether you're just starting with Dart or building a big Flutter project this will help you understand null safety like never before.

🛡️ Null safety doesn't mean no crashes it means you control the risk.

Let me know if you've ever been bitten by a sneaky ! too! 😅

👨‍💻 Flutter developers — ever feel overwhelmed by all the state management options?✅ setState✅ Provider✅ Bloc / Cubit✅ R...
15/07/2025

👨‍💻 Flutter developers — ever feel overwhelmed by all the state management options?

✅ setState
✅ Provider
✅ Bloc / Cubit
✅ Riverpod

Which one is right for your project? 🤔
In my latest blog, I broke everything down in simple words, with real app scenarios from tiny counters to large, scalable apps.

If you're working with Flutter trust me, this will save you a lot of time (and frustration).

💬 Would love to hear which one you prefer!

Your Flutter app may "work"... but is it rebuilding more than it should?In my latest blog, I explore one of the most ove...
13/07/2025

Your Flutter app may "work"... but is it rebuilding more than it should?

In my latest blog, I explore one of the most overlooked performance killers in Flutter unnecessary widget rebuilds.

Learn how to:

- Detect rebuilds with Flutter DevTools & debug flags
- Use const, RepaintBoundary, and Selector correctly
- Avoid rebuilding entire widget trees over small state changes
- Optimize list UIs, Bloc/Provider usage, and screen structure

If you're serious about writing smoother, faster Flutter apps, this blog is for you. Comment and I’ll send it your way!

👨‍💻 Flutter devs — are you using initState() correctly?If your async calls cause UI glitches, loading spinners don’t sho...
12/07/2025

👨‍💻 Flutter devs — are you using initState() correctly?

If your async calls cause UI glitches, loading spinners don’t show, or you’re getting setState errors after await, you might be making a common mistake.

I just wrote a blog that explains:
✅ Why initState() should stay synchronous
✅ How to properly handle async logic on screen load
✅ Real-world examples + clean best practices

If you've ever fetched data in initState() — this will save you hours of debugging!
💬 Comment and I’ll send it to you!

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