Andrea Bizzotto 💙 @biz84 Twitter profile | Pikagi

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Andrea Bizzotto 💙

@biz84

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932

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1,364

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Flutter GDE ❖ I share tips about Dart & Flutter app development. Ship your apps with confidence →

Wanna learn Flutter? 👉

https://t.co/0oX2WNAznH

Joined April 2010

Don't wanna be here? Send us removal request.

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@biz84

Andrea Bizzotto 💙

19 days

🚀 It's Live! 🚀 After months of hard work, Flutter in Production is officially open for enrollment! 🎉 I'm *super* excited to help you ship your Flutter apps with confidence—without missing a step. 📲 🔥 50% OFF for early access—limited time only! 🔥

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Flutter In Production

Learn about flavors, environments, error monitoring, analytics, release management, CI/CD, and finally ship your Flutter apps to the stores. 🚀

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

1 year

Did you know? When you call `MediaQuery.of(context)` inside a build method, the widget will rebuild when *any* of the MediaQuery properties change. But there's a better way that lets you depend only on the properties you care about (and minimize unnecessary rebuilds). 👇

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@biz84

Andrea Bizzotto 💙

1 year

Did you know? You can now show the Debug Toolbar in the Command Center in VSCode. 🎉 To do this, add the following line to the settings file: "debug.toolBarLocation": "commandCenter" Happy coding! 💻

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@biz84

Andrea Bizzotto 💙

3 years

What are some rules to follow for good app architecture in Flutter? Thread. 🧵

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@biz84

Andrea Bizzotto 💙

2 years

Up until recently, it wasn't possible to check if a StatelessWidget was mounted in Flutter. But since Flutter 3.7, BuildContext itself has a "mounted" property! 🎉 This makes it easy to check if *any* widget is mounted. That's a great quality-of-life improvement. 👌

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Andrea Bizzotto 💙

1 year

Did you know? Since Flutter 3.7, you can store all your API keys inside a JSON file and pass it to a new `--dart-define-from-file` flag from the command line. (you'll want to add that JSON file to .gitignore to avoid exposing your sensitive keys)

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Andrea Bizzotto 💙

2 years

Did you know? Starting from Dart 2.17, you can pass arguments to the superclass with a new shorthand syntax. 👇 Works with both named and positional arguments. 👌

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@biz84

Andrea Bizzotto 💙

2 years

🔥 Just launched: a new GitHub repo with all my Flutter tips & tricks! 🔥 It’s 100% free and I’ll keep adding new tips! 🚀 Go check it out. 👇 And if you find it useful, like and share this tweet so that others can learn too! 🙏

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GitHub - bizz84/flutter-tips-and-tricks: All my Flutter Tips & Tricks on X (Twitter) and LinkedIn.

All my Flutter Tips & Tricks on X (Twitter) and LinkedIn. - bizz84/flutter-tips-and-tricks

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@biz84

Andrea Bizzotto 💙

9 months

We need to talk about FlutterFlow! The company announced a $25.5M funding round, and there’s a big market for it. So, is FlutterFlow the real deal? Or should you ignore it and continue building apps the old-fashioned way? Over the last week, I’ve taken it for a ride and

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@biz84

Andrea Bizzotto 💙

2 years

Look, a Flutter app using GetX in production!

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@biz84

Andrea Bizzotto 💙

2 years

andrea.age++; andrea.status = '🥳'; notifyListeners();

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@biz84

Andrea Bizzotto 💙

2 years

Did you know? Since Dart 2.17, you can declare enums with members. 🚀 See below for another example. 👇

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@biz84

Andrea Bizzotto 💙

2 years

Riverpod offers 6 different kinds of providers, all suited for different use cases. Knowing when to use each one of them can save you a lot of time and simplify your code. 👍 So let's take a look at them and learn when they are most useful. Thread. 🧵

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Andrea Bizzotto 💙

3 years

What's the best project structure for medium/large Flutter apps? Most likely, there's no "right" answer that works for all projects. So let's explore two popular approaches known as "feature-first" and "layer-first" and learn about their differences. Thread. 🧵

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@biz84

Andrea Bizzotto 💙

3 years

andrea.age++; andrea.status = '🎉'; notifyListeners();

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@biz84

Andrea Bizzotto 💙

1 year

When updating to Xcode 15, you're likely to get this error when building your Flutter apps. See below for how to fix it. 👇

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@biz84

Andrea Bizzotto 💙

2 years

Did you know? The official Firebase docs now include Dart in the code samples! 🔥 I've been waiting for ages to see this, and I'm so happy it's finally here! 😀

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@biz84

Andrea Bizzotto 💙

2 months

Did you know? The easiest way to add a badge to an IconButton is to use the Badge widget. Use cases: 🔔 show a notification count 🚦 show a custom label Works great with BottomNavigationBarItem and NavigationRailDestination, too. 👍

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@biz84

Andrea Bizzotto 💙

1 year

Did you know? Since Dart 3, you can combine multiple variables into a record and replace if-else chains with a switch expression. ✅ This is known as a switch matrix and lets you apply pattern matching to multiple values at once. 👌

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@biz84

Andrea Bizzotto 💙

3 months

Did you know? Since Flutter 3.24, a new CarouselView widget is available. Here's how to use it: - Limit its height with a ConstrainedBox - Set the children size with itemExtent and shrinkExtent - Use any widgets as children Easy peasy! 🚀

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Andrea Bizzotto 💙

4 months

Today it was my birthday! My wife made a nice Tiramisu and my daughter decorated it with Flutter stickers. 😎 Super happy and grateful for all the good things and people I have in my life! 🙏

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@biz84

Andrea Bizzotto 💙

2 years

My updated Riverpod 2.0 guide is now live! 🔥 It is BIG, covering all the most important concepts and APIs. I hope it will help you explore and get the most out of this great package! If you find it useful, please retweet. 🙏

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Flutter Riverpod 2.0: The Ultimate Guide

A complete guide to the Riverpod package as a reactive caching and data-binding framework. Fully updated to Riverpod 2.0.

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

5 years

I'm very happy to announce that I'm officially a Flutter GDE! 🎉 I'll continue making Flutter tutorials, as usual. 📹 But I'm also looking forward to contribute to the community in new ways in the coming months 🙂

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@biz84

Andrea Bizzotto 💙

2 years

This is turning into a gigantic guide on Riverpod 2.0. 🔥 6687 words and counting. 🤯

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@biz84

Andrea Bizzotto 💙

1 year

Did you know? Since Dart 3, you can easily destructure lists using the spread operator (...). Very handy for getting the first and last value. 👌

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@biz84

Andrea Bizzotto 💙

2 years

Looking for a new side project to impress your family & friends, using Flutter & ChatGPT? I have a cool app idea but no time to implement it. Feel free to take it from me. 👇 Thread. 🧵

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@biz84

Andrea Bizzotto 💙

11 months

With Flutter, you can use a Container to combine painting, positioning, and sizing properties. But should you? As it turns out, Container doesn't have a const constructor. So, consider replacing it with dedicated widgets that *do* have a const constructor. 👍

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Andrea Bizzotto 💙

1 year

Did you know? If you run some async initialization code *before* calling runApp() and an exception is thrown, the app will remain stuck on the splash screen. 😳 To prevent this, wrap your code with a try/catch block and notify the user that something went wrong. 👍

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@biz84

Andrea Bizzotto 💙

11 months

I don't understand why some people are obsessed with Clean Architecture. Sure - when you build complex apps, you want your code to be scalable, maintainable, and testable. And a good choice of app architecture can help immensely with these things. But why blindly follow advice

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@biz84

Andrea Bizzotto 💙

2 years

In the last few months, I've been sharing many useful Flutter tips & tricks. 💙 Here are the top 10! 👇🧵

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@biz84

Andrea Bizzotto 💙

4 years

#dartlang #FlutterDev Easy Win #23 : ⚡️ Did you know? Dart supports string multiplication.

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@biz84

Andrea Bizzotto 💙

1 year

Today is my birthday! 🎉 Can you guess the output of this program? 😉

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@biz84

Andrea Bizzotto 💙

3 years

What are some popular architectures that are suitable for Flutter App Development (and which one to choose)? It boils down to what level of complexity you need to handle. 👇 Thread. 🧵

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Andrea Bizzotto 💙

4 years

My Flutter & Firebase courses has just passed $40K in lifetime earnings. 🚀 It's amazing to think something I created has reached this milestone, especially since it was my first course.

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Andrea Bizzotto 💙

3 years

A common requirement when working with maps is to: - Update the value if a given key already exists - Set the value if it doesn't You may be tempted to implement some conditional logic to handle this. But the update() method offers a simpler way of doing the same thing: 👇

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@biz84

Andrea Bizzotto 💙

2 years

I just started writing the last article of my Flutter App Architecture series. I'm really looking forward to this one and hope to have it out on Thursday! Happy coding!

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Andrea Bizzotto 💙

4 years

It takes a lot of work to craft good quality courses! But it's an amazing feeling when things go well on launch day! I got this!

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@biz84

Andrea Bizzotto 💙

3 years

Next month I'll launch 2.0! I'll also build the home page with Flutter web, just for fun! Wanna see a performance comparison of Flutter web vs the live site running HTML+CSS+JS? If this tweet gets 300 likes, I'll make a YouTube video about it. Deal?

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Code With Andrea: Dart, Flutter & Firebase tutorials and courses

Learn how to become a Flutter Pro and build production-ready apps on mobile and beyond.

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

3 years

What are some VSCode extensions you can use to speed-up your Flutter workflow? Here's a thread with my favourites! 🧵

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Andrea Bizzotto 💙

3 years

In a few hours I'll launch my Flutter animations course. After 200+ hours building this, I'm super stoked to make it public. I would really appreciate some retweets of the upcoming announcement. 💙🙏

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Andrea Bizzotto 💙

8 months

SVGs have some advantages over regular images: - scalable without loss of quality - smaller and more performant (for simple shapes) But have you noticed that when you use SVGs in your apps, they don't always appear immediately? To fix this, consider pre-caching them: 👇

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Andrea Bizzotto 💙

9 months

Did you know? In Dart, you can schedule a microtask when you want to complete a small async computation as soon as possible. This will cause it to execute *before* any pending events in the event loop.

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Andrea Bizzotto 💙

3 years

I’m planning a new article about side effects in Flutter. What they are, how to avoid them. Should help avoiding common mistakes. Interested?

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Andrea Bizzotto 💙

7 months

Here's my complete (5000+ words 🤯) guide to Flutter Pagination with Riverpod, covering: 📜 infinite scrolling ⏳ loading and error states 🆕 refreshing data 🔍 search UI with pagination ✨ caching & debouncing ❓ edge cases & common questions

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Flutter Pagination with Riverpod: The Ultimate Guide

A complete guide to implementing pagination with Riverpod, covering: infinite scrolling, loading and error states, search UI, caching, and debouncing.

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

3 months

Did you know? As of Flutter 3.24, a new "pub unpack" command is available. You can use it to download a package locally and easily explore its source code. That's a nice quality-of-life improvement! 🎉

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Andrea Bizzotto 💙

3 years

This one made me giggle. Who has 7 years of experience with Flutter? 😄

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@biz84

Andrea Bizzotto 💙

2 years

Work is well underway on my Riverpod 2.0 update. 💪 It's turning into a 5000+ word manuscript. 📜 I'll publish this after Riverpod 2.0 becomes officially available. 📅

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Andrea Bizzotto 💙

4 months

Did you know? Unused assets will increase your app bundle size, which is undesired. To prevent this, you can install the "Find Unused Dart Files" extension for VSCode. Then, simply run it from the command palette and remove all the unused assets, files, and dependencies. 👌

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Andrea Bizzotto 💙

8 months

Dart 3.3 introduces a new feature called Extension Types. Extension types are quite similar to extension methods. But the key difference is that extension *types* hide away the interface of the underlying type. 👇

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Andrea Bizzotto 💙

2 years

What's the difference between errors and exceptions in Flutter? → Errors are programmer mistakes. They are fatal and we should not try to recover from them → Exceptions are failure conditions that are out of our control. We should handle them and recover gracefully Thread 🧵

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Andrea Bizzotto 💙

11 months

Tomorrow's article will be all about deep linking in Flutter, including: ✅ Android & iOS platform setup ✅ Handling deep links with GoRouter ✅ Common gotchas and use cases I can't wait to share it! 🙂 If you don't wanna miss it, sign up here: 👇

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Andrea Bizzotto 💙

1 year

8 Steps to Follow When Building Your Next Flutter App. ✅ Starting a new Flutter app project can be a daunting task, especially when it's on you to make the technical calls. Here are some key steps that helped me thrive as an indie dev, product owner, and tech lead.👇 Step 1:

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Andrea Bizzotto 💙

5 months

Did you know? As of Dart 3.5.0 (master channel), you can preview the experimental JsonCodable macro. This macro *augments* your classes with fromJson and toJson methods, and it works in realtime as you edit your code (no code generation is needed).

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Andrea Bizzotto 💙

3 years

When building non-trivial apps, following a *structured workflow* can bring great benefits and avoid many pitfalls. Rather than diving straight into the code, here's a 6 step workflow that you can follow. Thread. 🧵

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Andrea Bizzotto 💙

1 year

Last week, I published an updated article with a comparison of many popular Flutter app architectures: - MVP - MVVM - Bloc Architecture - Clean Architecture - Stacked Architecture - Android App Architecture In case you missed it, here's the link: 👇

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A Comparison of Popular Flutter App Architectures

Comparing my Riverpod App Architecture with other popular ones such as MVC, MVVM, Bloc, Stacked, Clean Architecture, and Android App Architecture.

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

1 year

Want to create an "empty" Flutter project without all the boilerplate code? Then simply pass a "-e" flag on the command line. Example: flutter create -e test_app This will generate minimal pubspec.yaml and main.dart files (without any comments). 👇

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Andrea Bizzotto 💙

2 years

If your users speak another language, you’ll need to localize your Flutter app 🗺 Here’s how to setup Flutter app localizations in just 5 minutes, using code generation. Also covered: template vs non-template files and synthetic vs non-synthetic package. 👀 🧵

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@biz84

Andrea Bizzotto 💙

3 months

Did you know? OverflowBar makes it easy to layout your widgets in a row unless they overflow the available horizontal space, in which case they're arranged as a column. Both the horizontal and vertical spacing are customizable, as well as the overflow alignment. 👇

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@biz84

Andrea Bizzotto 💙

3 months

Did you know? Since Flutter 3.24, a new "Rebuild Stats" feature is available on the DevTools performance page. Once you open it, simply use the app and the stats will update in realtime. If you spot a widget that rebuilds too often, click on its location to go to the code.

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Andrea Bizzotto 💙

1 year

Recently, I promised to write articles about the new language features in Dart 3.0. And tomorrow, I'll share an (updated) article about exception handling with Result types and sealed classes. If you don't wanna miss it, sign up here:

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@biz84

Andrea Bizzotto 💙

6 months

My Flutter Tips app is now live on the Google Play Store! 🚀 📘 Over 150 Flutter tips 🔍 Search Feature 🛜 Offline mode 🌖 Light/dark mode Hope you'll find it useful. 🙂

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A curated collection of bite-sized tips and tricks for Flutter app development.

fluttertips.dev

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@biz84

Andrea Bizzotto 💙

8 months

Real-world apps work offline! So I just added caching & offline mode to my Flutter tips app! (courtesy of Drift/SQLite) Took a bit of thinking to get it right, but I'm super happy with the result! 🛜

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@biz84

Andrea Bizzotto 💙

11 months

Ever tried to force multiple Text widgets to have the same fixed width (e.g. with a parent SizedBox)? Don’t do that, as this will break your layout when the text size changes. Instead, use IntrinsicWidth and let Flutter calculate the right size for you. 👍

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@biz84

Andrea Bizzotto 💙

5 months

Did you know? With the Vector Graphics Compiler, you can precompile SVGs at build time for better rendering performance. To do this, install the vector_graphics_compiler package and use it as a transformer for each of your SVG assets.

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@biz84

Andrea Bizzotto 💙

3 months

Did you know? The hugeicons package was recently released, featuring a collection of over 4,000 stroke Flutter icons. If you're looking for an alternative to the standard Material icons set, give it a go. 👍

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@biz84

Andrea Bizzotto 💙

4 years

Two big milestones on Udemy this week! - My Dart course reached $10,000 in total sales - My Flutter & Firebase course reached $50,000 in total sales Been live for 7 and 25 months respectively. 👇

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Andrea Bizzotto 💙

2 years

Can GPT-4 and GPT-3.5 play Wordle? 🤔 I decided to find out! Here's what I discovered: ✅ GPT-4 understands the game and can improve on each move ❌ GPT-3.5 doesn't quite get it 😅 Want to know all the details (prompt & answers)? Then read on! 🧵

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@biz84

Andrea Bizzotto 💙

3 years

The Flutter "Fix All" command is great! But you know what's even better? Fix All on Save. 🚀 Just add "source.fixAll" to "editor.codeActionsOnSave" on your VSCode settings and you're good to go! Bonus: you can also include "source.organizeImports" to save even more time!

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@biz84

Andrea Bizzotto 💙

4 years

Three years into being a content creator, I’m still earning less half of what I could with a software DEV job, but: - I’m doing what I love (coding & teaching) - I have time for my family - I can support them with my work That is a true blessing!

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@biz84

Andrea Bizzotto 💙

4 years

Today is my birthday! I’m very grateful for many things, including all of you who support my work! Here’s to +1 year of Flutter tutorials 🎉

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@biz84

Andrea Bizzotto 💙

1 year

Ever wanted to measure how long a network request takes in Dart? This is easily done by creating a helper function that calculates the difference between two dates. 👇

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@biz84

Andrea Bizzotto 💙

3 years

When it comes to Flutter App Architecture, there is so much to learn and talk about! So I just published an in-depth article about the repository pattern. 👇 And if you have any feedback, let me know in the comments. 🙏

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Flutter App Architecture: The Repository Pattern

An in-depth overview of the repository pattern in Flutter: what it is, when to use it, and various implementation strategies along with their tradeoffs.

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

6 months

Uh oh, looks like I’ll be speaking at FlutterCon! 🎉🎉

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@biz84

Andrea Bizzotto 💙

8 months

Wow, this is big! According to this job listing, Headspace (65M users) plans to rewrite their app with Flutter! 👇

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@biz84

Andrea Bizzotto 💙

3 years

Riverpod tip. 👇 You can replace tedious try/catch blocks with AsyncValue.guard() inside your StateNotifier subclasses.

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Andrea Bizzotto 💙

1 year

Quite impressed with the Material 3 Flutter WasmGC demo! 🚀 Loads quickly and the UI is very snappy. ⏱️ Even gets a Lighthouse performance score of 79. 🔥 That's much better than many bloated non-Flutter apps out there. 👍

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Andrea Bizzotto 💙

4 years

#FlutterDev Animations Tip #3 : Need to redraw the UI every frame? Use Ticker, not Timer ⏱

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Andrea Bizzotto 💙

4 years

My Flutter REST API Course is FREE for a LIMITED TIME only! 🚀 I've never done this before! 🤞 Get it while it's hot, time is ticking! 🔥 #FlutterDev #dartlang RT please 😉

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Andrea Bizzotto 💙

1 year

Flutter 3.10 has shipped. 🚀 Go get it 🙂

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@biz84

Andrea Bizzotto 💙

10 days

Did you know? If your Flutter app has multiple flavors, you can put all the Firebase initialization logic in one file. How? Define aliases for the config files and switch between them based on the appFlavor constant. 👌 Then, simply call initializeFirebaseApp() from main().

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Andrea Bizzotto 💙

3 years

Did you know? You can easily add gaps inside Flex widgets such as Columns and Rows or scrolling views. Just install the `gap` package, and replace all those pesky SizedBoxes!

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Andrea Bizzotto 💙

4 years

I'll be announcing something new tomorrow. #FlutterDev 😉

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@biz84

Andrea Bizzotto 💙

3 months

To date, there haven't been any *comprehensive* guides for shipping Flutter apps in production. Time to change that. (big announcement coming tomorrow)

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@biz84

Andrea Bizzotto 💙

3 months

It's time to announce my upcoming course. 🚀 I designed this for folks who want to ship and monitor their Flutter apps in production, without overlooking important details. If that sounds like you, check this page for all the details:

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Flutter In Production

Learn about flavors, environments, error monitoring, analytics, release management, CI/CD, and finally ship your Flutter apps to the stores. 🚀

codewithandrea.com

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@biz84

Andrea Bizzotto 💙

2 years

GoRouter 5.0 is here! This is a BIG release and I'm already at work creating some new content about it. Stay tuned for updates. 😉

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go_router | Flutter package

A declarative router for Flutter based on Navigation 2 supporting deep linking, data-driven routes and more

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@biz84

Andrea Bizzotto 💙

4 months

Did you know? CancelToken lets you cancel HTTP requests on demand. It's great for optimizing network usage, improving UX, and handling timeouts. Use it to stop unnecessary data fetches when users navigate away or to implement "cancel" buttons in your Flutter apps.

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@biz84

Andrea Bizzotto 💙

2 years

Ever needed to return an empty box (that takes no space) in Flutter? There's a widget for that → SizedBox.shrink() This is more performant than returning an empty Container (which is complex inside and can't be declared as a const widget).

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Andrea Bizzotto 💙

3 years

After spending several months writing a full-stack Flutter project for my upcoming courses, today I have started writing the content (and will soon begin recording 📹). This got me thinking about WHY I wanted to make these courses in the first place. And this is it. 👇

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@biz84

Andrea Bizzotto 💙

4 months

Did you know? You can use BoxHeightStyle to change the selection height style of a TextField. This is quite useful in apps where you can enter emojis and text in multiple languages. 👌

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Andrea Bizzotto 💙

2 months

Did you know? You can create a stylish Text by combining a ShaderMask with a LinearGradient! 🌈 Here's how to do it. 👇

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Andrea Bizzotto 💙

11 months

5 years ago, I made a big bet on Flutter. Quite literally, it’s one of the best decisions I ever made! 🚀

@FlutterDev

Flutter

11 months

💙 Celebrating the stable release of Flutter 1.0! 5 years ago, we started with iOS and Android. Thanks to our incredible community, Flutter has blossomed! 🎂 So for our #ThanksFlutter , we're grateful for such an awesome community! High-five a fellow Flutter dev 🎉 #Flutterturns5

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Andrea Bizzotto 💙

11 months

My Ultimate Guide to Deep Linking in Flutter is here! 🔥 ✅ Android + iOS platform setup & testing ✅ Common gotchas and use cases ✅ Handling deep links with GoRouter ✅ Guards and redirection with query parameters Read on for all the details. 👇

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Flutter Deep Linking: The Ultimate Guide

A step-by-step tutorial showing how to implement deep links in Flutter using GoRouter, including the native Android and iOS platform setup.

codewithandrea.com

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Andrea Bizzotto 💙

1 year

My Flutter app architecture series has been very popular, and many developers have been using it in their apps.🙏 So I've decided to revisit and expand it with these two articles, which will be out tomorrow. 👇 If you don't wanna miss them, sign up here:

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Andrea Bizzotto 💙

1 year

Time to share my latest article, which is all about data fetching and mutations with Riverpod. 🚀 I spent quite a bit of time designing nice diagrams for this one, and I hope you'll find them helpful. 🙂 Read on for all the details. 👇

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How to Fetch Data and Perform Data Mutations with the Riverpod Architecture

When building mobile apps, we often need to fetch and mutate data. This article explains how to do it effectively using my reference Riverpod architecture.

codewithandrea.com

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Andrea Bizzotto 💙

2 years

I couldn't resist. 😅

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Andrea Bizzotto 💙

4 years

#dartlang #FlutterDev Easy Win #19 : ⚡️ 19. Need to execute multiple Futures concurrently? Use Future.wait.

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Andrea Bizzotto 💙

12 days

Ever needed a force update prompt that is controlled remotely? There's a package for that: force_udpate_helper This works by comparing the *current* app version with a *required* app version that is fetched from a remote source.

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Andrea Bizzotto 💙

5 months

I just rebuilt the Flutter web clone of my home page with the latest 3.22 release (regular web and wasm builds). Preview links below. 👇

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Andrea Bizzotto 💙

2 years

Do you have a lot of code-generated files and want to hide them by default the project explorer? Just enable file nesting in the VSCode settings and you're good to go! 🚀 Very useful if you use build_runner, Freezed, or json_serializable in your Flutter apps. 👌

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Andrea Bizzotto 💙

6 months

When building a "search-as-you-type" feature, you need to strike the right balance between two things: - show the results quickly - avoid excessive calls to the server API This can be accomplished with a so-called debouncer. Here's a thread showing how to implement this. 🧵

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Andrea Bizzotto 💙

5 months

Did you know? Apps created with Flutter 3.22 use a new, faster web bootstrap process. The easiest way to upgrade your existing apps is to delete the web folder and recreate it again with the Flutter CLI.

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