Evolution of Android Architecture at DeWu App
The DeWu Android team transformed a rapidly expanding, tightly‑coupled codebase into a modular, stable, and efficient architecture by introducing componentization, CI/CD pipelines, DevOps practices, and reusable services across three evolutionary stages, ultimately delivering business value through open‑source libraries, streamlined processes, and improved developer productivity.
Background : The DeWu app grew explosively in both business volume and team size. The Android team expanded from a few members to dozens, facing technical, collaboration, efficiency, quality, and performance challenges.
Core Quadrants : The architecture focuses on four keywords – growth, experience, efficiency, and stability.
Current Pain Points of Core Components : Components are tightly coupled with business, lack a complete data model, have no management for versions or history, and miss README documentation, causing confusion for other teams.
Business Support : Established basic UI controls, push notifications, analytics, configuration, routing bus, security center, and an AB testing framework, with plans to decouple and expose them as reusable services.
R&D Support : Developed an Android Studio plugin, CI/CD pipelines, local git hooks, Merge Request pre‑compilation, performance monitoring, and webhook notifications to improve development efficiency.
Stability Assurance : Through DevOps, static analysis, hot‑fix, APM monitoring, log reporting, gray‑release capabilities, and an emerging app security center, the team strives for high online availability.
Engineering Iteration : Three evolutionary stages – 1.0 Farming era (monolithic code, module refactor), 2.0 Industrial era (componentization, independent modules), 3.0 Information era (independent builds, on‑demand releases).
Quality Management : Implements APM for performance tracking, CI for code checks before merge, and CD for continuous delivery of APKs.
GitLab Pre‑CI Checks : Custom CI rules enforce code style, pre‑compile validation, incremental compilation, and prevent broken builds from reaching the main branch.
Conclusion : The goal is to deliver technical and business value by providing open‑source libraries, streamlined processes, and a clean Android architecture that boosts team and individual productivity while avoiding bloated, hard‑to‑maintain codebases.
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