My name is David Serrano, I am a mobile app developer. In this personal blog I write articles about my work, my experiments and my experiences while carrying out my daily tasks; here you can find content ranging from tutorials on how to implement some functionality, articles aimed at beginners, writings of interest focused on mobile development technologies, through articles on marketing and application promotion.
I hope that the content you see in this blog is useful to you. I try to prepare every material I write with the utmost care, I always go through it several times before publishing it to make sure everyone can understand it; I also try to populate the article with external links of interest and source code for those who want to expand their knowledge.
If you want to help me you can do it in several ways:
<ul>
<li>Clicking on the 'Sponsor Author' button and donating a quantity of your choice</li>
<li>You can try any of <a target="_blank" href="/apps">my apps</a> and use it if you find it useful</li>
</ul>
Also, if you plan to register in one of the following services please consider using the affiliate link below as a way to support my work:
<ul>
<li><a target="_blank" href="https://m.do.co/c/b35ec851ad63">Digital Ocean</a>: Cloud computing services with predictable pricing, robust documentation, and scalability to support your growth at any stage (get 100$ in credit by using this link)</li>
<li><a target="_blank" href="https://usefathom.com/ref/WEJEIO">Fathom</a>: Google Analytics alternative that doesn’t compromise visitor privacy for data (get 10$ discount on your first invoice)</li>
<li><a target="_blank" href="https://go.nordvpn.net/aff_c?offer_id=525&amp;aff_id=50364">NordVPN</a>: Protect yourself and your data online. Securely access apps, websites, entertainment, and more.</li>
</ul>
Thank you very much for your support, it means a lot to me.
Happy coding 💪

My name is David Serrano, I am a mobile app developer. In this personal blog I write articles about my work, my experiments and my experiences while carrying out my daily tasks; here you can find content ranging from tutorials on how to implement some functionality, articles aimed at beginners, writings of interest focused on mobile development technologies, through articles on marketing and application promotion.

I hope that the content you see in this blog is useful to you. I try to prepare every material I write with the utmost care, I always go through it several times before publishing it to make sure everyone can understand it; I also try to populate the article with external links of interest and source code for those who want to expand their knowledge.

If you want to help me you can do it in several ways:
- Clicking on the 'Sponsor Author' button and donating a quantity of your choice
- You can try any of [my apps](/apps) and use it if you find it useful

Also, if you plan to register in one of the following services please consider using the affiliate link below as a way to support my work:

- [Digital Ocean](https://m.do.co/c/b35ec851ad63): Cloud computing services with predictable pricing, robust documentation, and scalability to support your growth at any stage **(get 100$ in credit by using this link)**
- [Fathom](https://usefathom.com/ref/WEJEIO): Google Analytics alternative that doesn’t compromise visitor privacy for data **(get 10$ discount on your first invoice)**
- [NordVPN](https://go.nordvpn.net/aff_c?offer_id=525&aff_id=50364): Protect yourself and your data online. Securely access apps, websites, entertainment, and more.

Thank you very much for your support, it means a lot to me.

Happy coding 💪

David Serrano

David Serrano

Archive (27)

const, final, dynamic, var... when and why?

How to know when to comment your Dart code

How to secure a server

Flutter PRO tip #1: Get the language, country and currency of your user

Create a Linux package browser in 5 minutes with Flutter 3

Write BETTER code with Dart 2.17 (Included in Flutter 3)

Amazing performance improvements in Flutter 3 for Mac apps

Flutter 3 for WEB: have they really managed to increase performance?

Best way to handle permissions in your Flutter app

Flutter 3 announced in the Google I/O event

Flutter PRO tip #0: Open a dialog at startup

Flutter State Management made easy with provider 2: Provider as a Dependency Injection framework and MultiProvider

Flutter State Management made easy with provider | Flutter Tutorial for Beginners

Unreal Engine 5 on Linux: compile source code + import assets from the Epic Games Launcher

Data layer in Flutter V2 | Use the Repository Pattern to keep a local copy of your API data

Flame Engine, the Game Engine built on top of Flutter

Do I need a Mac for Flutter development?

Create a feedback form with Flutter and Firebase

Top 4 ways to earn money with a mobile app or game

Creating a data layer in Flutter

7 tips for junior Flutter developers

The dark side of Flutter: 4 inconveniences that every Flutter developer should know

Measuring the impact of the app screenshots in Google Play and how it affects the overall downloads amount

Comparing Unreal, Unity, Godot, and Defold game engines in a graphical table of features

The beauty of the Flutter's programming language: 4 superb features of Dart