How can I build a calorie calculator app with .NET 8?

Hailey Frod 0 Reputation points
2025-09-06T14:41:10.1566667+00:00

I’m learning .NET 8 and want to make a small app as practice. The idea is a Link removed

I’m not sure how to start this project:

Should I make a desktop app, web app, or mobile app in .NET 8?

How do I create a simple form where a user chooses a drink, and the app shows calories?

Is there an example or tutorial in Microsoft Learn that could help me with this?

Any guidance or beginner-friendly resources would be appreciated.

Developer technologies | .NET | Other

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  2. Adiba Khan 2,355 Reputation points Microsoft External Staff
    2025-09-08T09:22:55.0333333+00:00

    Here’s how you can approach it step by step:

    1.      Decide on the app type

    ·         Desktop (WinForms/WPF): easiest for beginners, runs only on Windows.

    ·         Web (ASP.NET Core): accessible from browser, good if you want to learn web development.

    ·         Mobile/Desktop (MAUI): works across android, IOS, Windows, Mac- best if you want cross-platform.

    For learning, I recommend starting with .NET MAUI because you’ll learn modern UI and can reuse your skills for desktop and mobile.

    2.      Basic Project Setup

    ·         Install the latest .NET 8 SDK and Visual Studio 2022/2025 with MAUI or ASP.NET workloads.

    ·         Create a new project:

                                                                  i.            For desktop/mobile -> “.NET MAUI App” template.

                                                                ii.            For web-> “ASP.NET Core Web App (Model-View-Controller)” template.

    3.      Create a simple form (UI) by learning from the link below:

    Get started with .NET MAUI XAML - .NET MAUI | Microsoft Learn

    4.      In code-behind (C#)

    Create a function OnCalculateClicked

    {

                    Var drink= DrinlPicker.SelectedItem?.ToString();

                    Int calories = drink switch

                    {

                                    “Coffee” => 5,

                                    “Tea” =>2,

                                    “Soda” =>150,

                                    _ =>0

                    };

                    ResultLable.Text= $”Calories {calories}”;

    }

    5.      Expand Functionality

    ·         Store drink/calorie data in a JSON file or database.

    ·         Let users add their own drinks.

    ·         Show total calories for a day.

    6.      Learn from official tutorials

    ·         Get started with .NET MAUI XAML - .NET MAUI | Microsoft Learn

    ·         Get started with ASP.NET Core MVC | Microsoft Learn

    ·         Write your first C# code - Training | Microsoft Learn

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