# library-design

Published articles for library-design.

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## The Ultimate Guide to Developing High-Quality Android Libraries

DevFeed: [The Ultimate Guide to Developing High-Quality Android Libraries](<https://devfeed.tech/articles/the-ultimate-guide-to-developing-high-quality-android-libraries-22786.md>)

Original publisher: [Read original article](<https://medium.com/microsoft-mobile-engineering/the-ultimate-guide-to-developing-high-quality-android-libraries-6cabca3ca277?source=rss----87f10537e947---4>)

Author: Akshay Bora

Published: 2024-12-04T08:27:06Z

Content type: tutorial

Language: en

Sources: [Android@Microsoft - Medium](<https://devfeed.tech/sources/android-microsoft-medium.md>)

Topics: [Android Library](<https://devfeed.tech/topics/android-library.md>), [Library](<https://devfeed.tech/topics/library.md>), [Development](<https://devfeed.tech/topics/development.md>), [API](<https://devfeed.tech/topics/api.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Developer experience](<https://devfeed.tech/topics/developer-experience.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [api](<https://devfeed.tech/tags/api.md>), [build-times](<https://devfeed.tech/tags/build-times.md>), [consistency](<https://devfeed.tech/tags/consistency.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [guide](<https://devfeed.tech/tags/guide.md>), [libraries](<https://devfeed.tech/tags/libraries.md>), [library-design](<https://devfeed.tech/tags/library-design.md>), [mobile](<https://devfeed.tech/tags/mobile.md>), [quality](<https://devfeed.tech/tags/quality.md>), [ui-testing](<https://devfeed.tech/tags/ui-testing.md>)

### AI overview

A practical guide to developing high-quality Android libraries. It recommends using a dedicated playground or development app for isolated feature development, shorter build times, UI testing, easier replacement of implementations, and better integration references. It also advises maintaining a simple, consistent, well-documented, encapsulated API with graceful error handling.

### Source excerpt

In the fast-paced world of software development, creating Libraries efficiently and effectively is crucial to ensure the code reuse across apps. Here are some preferred practices to help you streamline your Library development process and guide you towards unlocking the secrets of building a top-notch Android Library. In Microsoft we do use these guidelines while developing the Libraries like File Picker, Share and Calendar libraries which helped us big time. 1. Create a Playground/Development App When developing libraries, it is advantageous to create a playground or development application that integrates with the library for faster development cycles. This approach has proven highly beneficial, as developers no longer need to build an example Teams codebase to test the libraries, significantly reducing the time required for testing. This approach offers several benefits: Isolated Testing: Developers can test and develop features in isolation, without waiting for integration into the consumer codebase. This leads to faster development cycles. Shorter Build Times: The development app targets specific features, resulting in quicker builds. Developers can launch the feature they want to test with just a click. UI Testing: Run UI tests from the playground app, allowing the consumer or library to focus on integration tests. Feature-level UI tests can be handled in isolation. Easier Replacement: Replace actual implementations with fake ones for UI tests easily. Better Integration References: Provide better integration references in developer documentation and stakeholders to play around before consuming the Library. 2. Cleaner API Surface When developing high-quality Android libraries, it's crucial to maintain a clean and intuitive API surface. A cleaner API surface ensures that your library is easy to understand and use, which can significantly enhance the developer experience. Simplicity: Keep your API simple and avoid unnecessary complexity. Provide clear, concise me