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@jbw0033 jbw0033 commented Aug 19, 2025

Publishing snippets that show some examples of converting common patterns in nav2 to nav3.

Jeremy Woods added 2 commits August 14, 2025 17:30
Publishing snippest that show some examples of converting common patterns in nav2 to nav3.
@jbw0033 jbw0033 requested a review from dturner as a code owner August 19, 2025 02:58
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Summary of Changes

Hello @jbw0033, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new markdown document, Nav2ToNav3Snippets.md, which serves as a comprehensive guide for migrating Android navigation patterns from Navigation 2 to Navigation 3. The document specifically targets Compose-based applications and provides side-by-side code snippets to demonstrate how common navigation functionalities are implemented in both versions, aiding developers in the transition process.

Highlights

  • New Migration Guide Document: A new markdown file, Nav2ToNav3Snippets.md, has been added to provide a detailed guide for transitioning navigation patterns from Navigation 2 to Navigation 3.
  • Comparative Code Examples: The document offers clear, comparative code snippets for a wide array of navigation functionalities, illustrating both Navigation 2 and Navigation 3 implementations side-by-side.
  • Comprehensive Coverage of Navigation Patterns: The snippets cover essential navigation concepts including NavController usage, graph construction, basic navigation, back stack manipulation (pop, pop up to), state saving, type-safe routes, dialog and activity navigation, encapsulation, nested navigation, animations, shared element transitions, activity transitions, deep linking, conditional navigation, circular navigation, ViewModel integration, and testing.
  • Compose-Only Focus: All provided code examples are specifically tailored for Compose-only implementations, offering relevant guidance for modern Android application development.
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Code Review

This pull request adds a new markdown file with code snippets to help developers migrate from Navigation 2 to Navigation 3. This is a valuable addition. However, I've found several issues in the provided code snippets, including syntax errors, logical flaws, and the use of non-standard helper functions without explanation. These issues could confuse users or lead to incorrect implementations. My review includes specific comments and suggestions to correct these problems and improve the overall quality and accuracy of the guide.

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