MediumIntroduction to Flutter. “Write once, run anywhere” — someone… | by Hasan Ravda | Medium
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Hasan Ravda

Hasan Ravda

Introduction to Flutter

3 min readAug 7, 2025

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“Write once, run anywhere” — someone wise… and lazy (also possibly me)

🌐 Introduction: So You Wanna Build Everything, Huh?

Imagine this: You’re sipping chai (or coffee, no judgments), and suddenly it hits you.
“Why should I write separate code for Android, iOS, Web, and Desktop?”
Boom 💥 Welcome to Flutter, the superhero cape for every tired developer. One codebase to rule them all, and in the darkness bind them (too much?)

But wait, what exactly is Flutter?

Flutter is an open-source UI software development kit created by Google and released in 2017. It uses a modern, fast, object-oriented programming language called Dart — which is kinda like JavaScript and Java had a baby that actually behaves.

Flutter lets you:

  • Build Android and iOS apps
  • Launch a Web app like a pro
  • Ship a Desktop app (Windows, macOS, Linux)
  • Do it all while using just Dart (not the one at pubs, unfortunately)
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Why is this better than native development? Because:

  • You write code once instead of four times (your keyboard will thank you)
  • No need to have separate file for UI and logic
  • Consistent UI across platforms
  • Faster development with hot reload
  • Fewer developers needed (your startup’s wallet will thank you too)

📊 Flutter in the Wild: Who’s Using It?

Flutter isn’t just for hobby projects and memes. Big names are on board:

  • Google Ads (yup, Google uses its own baby)
  • Alibaba (yes, that Alibaba)
  • BMW, Toyota, Nubank, eBay, and even ByteDance (Parent of TikTok)

As of 2025:

  • Over 2 million Flutter developers globally
  • 80% of new cross-platform mobile apps in some ecosystems are built with Flutter
  • It’s the #1 most loved cross-platform framework according to multiple Stack Overflow and developer surveys (take that, React Native 👀)

🧹 What’s the Catch? (Spoiler: There Isn’t One)

Unlike your ex’s promises 😬, Flutter actually delivers… and sticks around for the updates. 😏

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It gives you:

  • Hot reload 🔥 (you change it, it updates instantly — like real-time gossip)
  • A strong community (and memes. So many memes.)
  • Widgets for everything. Want your button to look like a spaceship? You got it
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🚀 Why Flutter? Because You’re Lazy… Efficient. I Meant Efficient.

Let’s be honest: maintaining 4 codebases is a horror movie.
Flutter says: “Chill bro, I got this.”

  • Want native performance? ✅
  • Want rich UI? ✅
  • Want to brag on LinkedIn? ✅✅✅
  • Want a life outside coding? Well, Flutter might not give you one, but it’ll sure make coding a lot more fun. 🎉
  • Want to confuse recruiters by being a mobile/web/desktop dev all at once? You got it. 🧙‍♂️
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🛎️ Final Thoughts (Before You Install Flutter and Become a Legend)

If you ever wished coding was more fun and less therapy-session-with-your-buggy-code… Flutter’s for you.

And yes, with just one codebase, you’re now an Android dev, iOS dev, web dev, and desktop dev. Put that on your resume and drop the mic 🎤

📚 Bonus: Useful Links to Get Started

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