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Build an advent calendar app your friends can actually use

Need a last-minute holiday project? Let’s build an advent calendar that your friends and family can actually use, regardless of what devices they have.

In this blog, part of the C# Advent Calendar 2024, our very own Agnes Zitte walks you through building a fun and interactive advent calendar app using Uno Platform. With this guide, you’ll dive into practical cross-platform development techniques, explore ways to customize your app’s functionality, and add make changes in real-time with Hot Design.

Here’s what you’ll learn:

Implementing C# logic to create dynamic, daily content and interactive surprises 🎁
Techniques for personalizing the app’s UI with holiday-specific messages and themes
How to use the Windows Community Toolkit and Uno Toolkit ResponsiveExtension to create adaptive layouts that seamlessly adjust across screen sizes
Persisting application state using ApplicationData.Current.LocalSettings and managing local storage with StorageFile to ensure a consistent experience across platforms
Bonus: How to adjust UI designs in real-time with Hot Design
Double Bonus: learn how to add a snowfall animation using the Canvas control ❄️

Build a Cross-Platform Advent Calendar App

Check out the full article and start building your festive advent calendar today!

And for those ready to jump into the code, Agnes is offering the complete shared festive advent calendar sample project on GitHub. This is your chance to create a version of the app with your own unique content and features, and even tweak it to match your style.

You can find Agnes on bluesky | X | GitHub | Discord

Happy coding, and happy holidays! 🎁