Modern Android Architecture (Part 4): Design Patterns — The Glue of Lego Architecture

Series Navigation: Article 1: A Decade of Android Architecture Evolution | Article 2: The Lego Architecture: Divide and Conquer, Taken to the Extreme | Article 3: Refactoring a Product Detail Page with Lego Architecture

Project Repository: https://github.com/zealot2002/androidArch

Foreword: Bricks Are Ready, How to Assemble Them Stably?

In the first three articles, we followed a clear path:

Article 1 pointed out: Architecture is just "technique" — it can manage layering, but not splitting granularity.