Can I force my app to stay in Dark Mode regardless of OS settings?

Yes, by setting Application.Current.UserAppTheme to AppTheme.Dark, you override the system preference. Set it back to AppTheme.Unspecified to follow the system theme again.

What is required for Android to detect theme changes correctly?

The MainActivity must include ConfigChanges.UiMode in its ConfigurationChanges attribute to prevent the activity from restarting and to ensure theme events fire correctly.

Why should I use DynamicResource instead of StaticResource for themes?

DynamicResource allows the UI to update at runtime when the underlying ResourceDictionary is swapped. StaticResource only evaluates the value once during object creation.

How do I detect the system theme in .NET MAUI?

You can access the current system theme by checking Application.Current.RequestedTheme, which returns AppTheme.Light, AppTheme.Dark, or AppTheme.Unspecified.

.NET MAUI Theming

Name: .NET MAUI Theming
Author: davidortinau

bydavidortinau

•

Mobile Development

Implements professional light and dark mode support in .NET MAUI applications using system-aware bindings and dynamic resource switching.

This skill provides Claude with expert guidance for implementing comprehensive theming systems within .NET MAUI applications. It bridges the gap between automatic OS-level theme responses via AppThemeBinding and custom runtime theme switching using dynamic ResourceDictionaries. Developers can leverage this skill to handle color schemes, manage system-wide theme detection, force specific UI modes, and ensure cross-platform UI consistency across iOS, Android, Windows, and macOS, including critical platform-specific configurations like Android's UiMode.

主要功能

0198 GitHub stars

02Automated OS theme response using AppThemeBinding markup extensions

03System-level theme detection and RequestedThemeChanged event handling

04Programmatic theme control and C# extension method implementations

05Platform-specific configuration guidance for Android and iOS

06Dynamic runtime theme switching via ResourceDictionary swapping

使用场景

01Ensuring theme persistence and proper activity lifecycle handling on Android devices

02Creating a user-facing theme toggle to switch between custom color palettes at runtime

03Synchronizing app UI colors automatically with system-wide light or dark mode settings

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add davidortinau/maui-skills maui-theming

For use in Claude.ai and ChatGPT

Download Skill