.NET MAUI App Lifecycle

Handle application state transitions correctly in .NET MAUI. This skill covers the cross-platform Window lifecycle events, their platform-native mappings, and patterns for preserving state across backgrounding and resume cycles.

When to Use

• Saving or restoring state when the app backgrounds or resumes
• Subscribing to Window lifecycle events (Created, Activated, Deactivated, Stopped, Resumed, Destroying)
• Hooking into platform-native lifecycle callbacks via ConfigureLifecycleEvents
• Deciding where to place initialization, teardown, or refresh logic
• Understanding the difference between Deactivated and Stopped

When Not to Use

• Page-level navigation events — use Shell navigation guidance instead
• Registering services at startup — use dependency injection guidance instead
• Calling platform-specific APIs outside lifecycle context — use platform invoke guidance instead

Inputs