.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

• Localization or language switching — see .NET MAUI localization docs
• Accessibility-specific visual adjustments — see .NET MAUI accessibility docs
• App icon or splash screen configuration — see .NET MAUI app icon docs
• Bootstrap-style class theming — see the Plugin.Maui.BootstrapTheme NuGet package