Individual skill

maui-theming

Guide for theming .NET MAUI apps — light/dark mode via AppThemeBinding, ResourceDictionary theme switching, DynamicResource bindings, system theme detection, and user theme preferences. Use when: "dark mode", "light mode", "theming", "AppThemeBinding", "theme switching", "ResourceDictionary theme", "dynamic resources", "system theme detection", "color scheme", "app theme", "DynamicResource". Do not use for: localization or language switching (see .NET MAUI localization documentation), accessibility visual adjustments (see .NET MAUI accessibility documentation), app icons or splash screens (see .NET MAUI app icons documentation), or Bootstrap-style class theming (see Plugin.Maui.BootstrapTheme NuGet package).

plugins/dotnet-maui/skills/maui-theming/SKILL.md

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# .NET MAUI Theming

Apply light/dark mode support, custom branded themes, and runtime theme switching in .NET MAUI apps using AppThemeBinding, ResourceDictionary swapping, and system theme detection APIs.

## When to Use

- Adding light and dark mode support to a .NET MAUI app
- Creating custom branded themes with ResourceDictionary
- Detecting and responding to system theme changes at runtime
- Letting users choose a preferred theme (light, dark, or system default)
- Combining OS-driven theme response with custom color palettes

## When Not to Use