Purpose

Implement or migrate modern Android navigation without breaking screens, route arguments, deep links or back stack behavior.

When to use

• Adding Navigation 3 to an Android app.
• Migrating from Navigation Compose or custom navigation.
• Fixing typed routes, deep links, nested graphs or back stack issues.

Inputs to inspect

• build.gradle.kts and libs.versions.toml
• MainActivity.kt and app entry points
• NavHost, routes and feature navigation files
• AndroidManifest.xml deep links
• screens/* and ViewModel event flow

Required workflow