IDN Media Fauzi Mubarok Apr 22, 2025

Enhancing Android Development Productivity with Convention Plugins

Article Summary

Fauzi Mubarok from IDN Engineering tackles a problem every Android team hits: copy-pasting the same build configurations across dozens of modules. His solution? Convention plugins that centralize it all.

In multi-module Android projects, maintaining consistent build configurations becomes a nightmare of redundancy. This article walks through implementing custom Gradle convention plugins that standardize settings, dependencies, and coding standards across your entire project structure.

Key Takeaways

Critical Insight

Convention plugins transform scattered build configurations into a single source of truth, dramatically improving maintainability and consistency across Android projects.

The article includes complete code samples for setting up your first convention plugin, including the exact directory structure and Gradle configuration you need.

About This Article

Problem

Android developers working on multi-module projects often end up with build configurations scattered across different build.gradle.kts files. This makes it harder to maintain consistency and creates extra work whenever SDK versions, Java compatibility, or ProGuard settings need to change.

Solution

Fauzi Mubarok created a build-logic module with custom Gradle plugins that put all the configuration in one place. An ApplicationPlugin class handles compileSdkVersion, minSdk, targetSdk, and JVM 11 targeting. Modules can then use these settings by adding a single plugin ID.

Impact

Teams can apply standardized Android build settings to any module by declaring one plugin. This covers namespace, SDK versions, ProGuard rules, and Kotlin compilation targets. It removes the need to repeat the same boilerplate configuration across the entire project.