androidx/androidx
Jun 2025 – May 2026
11 Months active
Languages Used
JavaKotlinGradleGroovy
Technical Skills
API DesignAR/VR DevelopmentAndroid DevelopmentJavaKotlinRefactoring
Marc Richards
PROFILE
Marc Richards
Over 11 months, this developer enhanced the androidx/androidx repository by modernizing and stabilizing core Android and XR APIs, focusing on SceneCore and related modules. They delivered 17 features and fixed 7 bugs, emphasizing API design, type safety, and maintainability using Kotlin, Java, and Gradle. Their work included refactoring APIs for consistency, improving listener management, and streamlining test infrastructure to support reliable CI and onboarding. They addressed UI and memory issues, optimized ProGuard configurations, and improved documentation for developer clarity. Through careful unit testing and incremental refactoring, they reduced integration friction and established a robust foundation for future development.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
55Total
Bugs
7
Commits
55
Features
17
Lines of code
25,973
Activity Months11
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5696 peopleSame Organization
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542
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Work History
May 2026
3 Commits • 2 Features
May 1, 2026May 2026 (2026-05) delivered targeted improvements in ProGuard behavior for JXR test apps and a major API cleanup for SceneCore. The changes emphasize maintainability, easier debugging, and clearer API contracts, while preserving and enhancing the product’s testability and reliability.
3 Commits • 2 Features
May 1, 2026May 2026 (2026-05) delivered targeted improvements in ProGuard behavior for JXR test apps and a major API cleanup for SceneCore. The changes emphasize maintainability, easier debugging, and clearer API contracts, while preserving and enhancing the product’s testability and reliability.
May 2026
April 2026
16 Commits • 3 Features
Apr 1, 2026April 2026 (2026-04) focused on stabilizing and modernizing the androidx/androidx SceneCore surface, delivering API cleanups, type-safety migrations, and a scalable event architecture. The team reduced binary size, improved runtime performance, and tightened API governance to enable safer future evolution. Comprehensive testing (unit tests and manual CUJs) validated changes with no 1P breakages and set up the groundwork for continued API evolution and better developer experience.
April 2026
16 Commits • 3 Features
Apr 1, 2026April 2026 (2026-04) focused on stabilizing and modernizing the androidx/androidx SceneCore surface, delivering API cleanups, type-safety migrations, and a scalable event architecture. The team reduced binary size, improved runtime performance, and tightened API governance to enable safer future evolution. Comprehensive testing (unit tests and manual CUJs) validated changes with no 1P breakages and set up the groundwork for continued API evolution and better developer experience.
March 2026
3 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for androidx/androidx focusing on internal quality improvements and stability of SceneCore and related test applications. The work emphasizes business value through cleaner API boundaries, reduced dependency complexity, and improved test reliability.
3 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for androidx/androidx focusing on internal quality improvements and stability of SceneCore and related test applications. The work emphasizes business value through cleaner API boundaries, reduced dependency complexity, and improved test reliability.
March 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for androidx/androidx focusing on API consistency and maintainability. Delivered a naming refactor for the ScenePose API, aligning naming across the interface and implementations. This reduces API drift and eases downstream migrations, providing long-term robustness for the library.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for androidx/androidx focusing on API consistency and maintainability. Delivered a naming refactor for the ScenePose API, aligning naming across the interface and implementations. This reduces API drift and eases downstream migrations, providing long-term robustness for the library.
January 2026
4 Commits • 1 Features
Jan 1, 2026January 2026 (2026-01) focused on stabilizing core SceneCore UX, hardening PanelEntity initialization, and clarifying the listener API for clearer, forward-looking integration. Delivered three high-impact items with measurable business value: improved FoV test usability, reliable pixel density calculations, and safer API evolution with backward compatibility. Result: stronger test stability, clearer migration paths for developers, and reduced risk of regressions in UI tests.
4 Commits • 1 Features
Jan 1, 2026January 2026 (2026-01) focused on stabilizing core SceneCore UX, hardening PanelEntity initialization, and clarifying the listener API for clearer, forward-looking integration. Delivered three high-impact items with measurable business value: improved FoV test usability, reliable pixel density calculations, and safer API evolution with backward compatibility. Result: stronger test stability, clearer migration paths for developers, and reduced risk of regressions in UI tests.
January 2026
November 2025
1 Commits
Nov 1, 2025Monthly summary for 2025-11: Highlights include a stability-focused bug fix in androidx/androidx that prevents IllegalStateException during session cleanup by removing the lifecycle state check in Session.getScene. This change stabilizes session teardown, with manual verification in a testapp and updated unit tests. The fix is associated with Bug 439906679 and committed as e86f8cef834edc73262b3b18f6e99304af98093e; Change-Id Ibff1cf591f291f3f20340f063b8fb69e9b35da2e. Impact: more reliable lifecycle transitions for apps relying on Session.getScene.
November 2025
1 Commits
Nov 1, 2025Monthly summary for 2025-11: Highlights include a stability-focused bug fix in androidx/androidx that prevents IllegalStateException during session cleanup by removing the lifecycle state check in Session.getScene. This change stabilizes session teardown, with manual verification in a testapp and updated unit tests. The fix is associated with Bug 439906679 and committed as e86f8cef834edc73262b3b18f6e99304af98093e; Change-Id Ibff1cf591f291f3f20340f063b8fb69e9b35da2e. Impact: more reliable lifecycle transitions for apps relying on Session.getScene.
October 2025
13 Commits • 1 Features
Oct 1, 2025Monthly work summary for 2025-10 (androidx/androidx). Delivered major API modernization across SceneCore with type-safe enums, updated API signatures and tests, and fixed HitTest no-hit behavior. This work improves API safety, reduces runtime errors for downstream apps, and strengthens end-to-end test coverage across the SceneCore surface.
13 Commits • 1 Features
Oct 1, 2025Monthly work summary for 2025-10 (androidx/androidx). Delivered major API modernization across SceneCore with type-safe enums, updated API signatures and tests, and fixed HitTest no-hit behavior. This work improves API safety, reduces runtime errors for downstream apps, and strengthens end-to-end test coverage across the SceneCore surface.
October 2025
September 2025
2 Commits • 2 Features
Sep 1, 20252025-09 Monthly summary for androidx/androidx. Delivered two key items: Solar System Visual Perspective Improvements to fix large/distant visuals in the test app by repositioning the sun and scaling entities; corrected perspective issue in Position testapp activity. Also restored DRM Video Player Integration Test Module for XR SceneCore, including build configuration and activity logic, to recover testing capabilities. These changes improve QA reliability, tester confidence, and end-to-end test coverage. Technologies demonstrated include Android UI/UX testing, build configuration, and integration testing.
September 2025
2 Commits • 2 Features
Sep 1, 20252025-09 Monthly summary for androidx/androidx. Delivered two key items: Solar System Visual Perspective Improvements to fix large/distant visuals in the test app by repositioning the sun and scaling entities; corrected perspective issue in Position testapp activity. Also restored DRM Video Player Integration Test Module for XR SceneCore, including build configuration and activity logic, to recover testing capabilities. These changes improve QA reliability, tester confidence, and end-to-end test coverage. Technologies demonstrated include Android UI/UX testing, build configuration, and integration testing.
August 2025
4 Commits • 2 Features
Aug 1, 20252025-08 Monthly Summary — AndroidX Repository (androidx/androidx) Overview: Focused on improving developer experience and stabilizing the SceneCore surface, while simplifying test infrastructure for the SceneCore module. No critical bugs reported this month; progress centered on API usability, documentation, and build/test maintenance across the AndroidX core stack. Key accomplishments and business value: - Delivered SceneCore API Usability Improvements: removed restrictive annotations from BaseEntity/BaseScenePose, enabling direct extension of core base classes and simplifying integration for downstream components. Updated PanelEntity documentation to guide usage more clearly, reducing onboarding time for new contributors and downstream teams. Commits: 6c09bd757c7dc50cd26b065db050cf15ef1d1a8d; 7121d9d3fe30b8c4ba473c5445f17a826b1c4f80. - Consolidated and cleaned Test Infrastructure: migrated tests to a single consolidated SceneCore app, eliminated standalone test apps, and removed the XR ArCore whitebox app, resulting in simpler CI pipelines and lower maintenance overhead. Gradle configuration updates accompanying this refactor. Commits: 2fdc3b284e68d6b1d2eff3ac118ff82dc0a56273; 5f61f1b0f74955991ea148863709b9664930340b. - Improved documentation and developer guidance: enhanced KDoc and in-code documentation as part of API usability work, supporting faster adoption and fewer misuses. Overall impact and accomplishments: - Reduced development friction and increased extensibility of SceneCore APIs, enabling downstream teams to extend core classes more naturally. - Streamlined test execution and maintenance, improving feedback cycles and CI reliability. - Strengthened documentation to support faster contributor onboarding and clearer usage expectations. Technologies and skills demonstrated: - Kotlin refactoring and API design (BaseEntity/BaseScenePose, PanelEntity). - Gradle build configuration and multi-module project maintenance. - Documentation practices (KDoc) and inline guidance updates. - Test infrastructure consolidation and cleanup within SceneCore.
4 Commits • 2 Features
Aug 1, 20252025-08 Monthly Summary — AndroidX Repository (androidx/androidx) Overview: Focused on improving developer experience and stabilizing the SceneCore surface, while simplifying test infrastructure for the SceneCore module. No critical bugs reported this month; progress centered on API usability, documentation, and build/test maintenance across the AndroidX core stack. Key accomplishments and business value: - Delivered SceneCore API Usability Improvements: removed restrictive annotations from BaseEntity/BaseScenePose, enabling direct extension of core base classes and simplifying integration for downstream components. Updated PanelEntity documentation to guide usage more clearly, reducing onboarding time for new contributors and downstream teams. Commits: 6c09bd757c7dc50cd26b065db050cf15ef1d1a8d; 7121d9d3fe30b8c4ba473c5445f17a826b1c4f80. - Consolidated and cleaned Test Infrastructure: migrated tests to a single consolidated SceneCore app, eliminated standalone test apps, and removed the XR ArCore whitebox app, resulting in simpler CI pipelines and lower maintenance overhead. Gradle configuration updates accompanying this refactor. Commits: 2fdc3b284e68d6b1d2eff3ac118ff82dc0a56273; 5f61f1b0f74955991ea148863709b9664930340b. - Improved documentation and developer guidance: enhanced KDoc and in-code documentation as part of API usability work, supporting faster adoption and fewer misuses. Overall impact and accomplishments: - Reduced development friction and increased extensibility of SceneCore APIs, enabling downstream teams to extend core classes more naturally. - Streamlined test execution and maintenance, improving feedback cycles and CI reliability. - Strengthened documentation to support faster contributor onboarding and clearer usage expectations. Technologies and skills demonstrated: - Kotlin refactoring and API design (BaseEntity/BaseScenePose, PanelEntity). - Gradle build configuration and multi-module project maintenance. - Documentation practices (KDoc) and inline guidance updates. - Test infrastructure consolidation and cleanup within SceneCore.
August 2025
July 2025
4 Commits • 1 Features
Jul 1, 2025July 2025: Focused stability and API accessibility work in androidx/androidx. Delivered a UI fix to reflect the latest SceneCore bounds change events, stabilized GLTF handling by temporarily disabling disposal to prevent runtime crashes, and enabled broader API usage for Alpha05 through temporary unexposures (with a revert planned). All work aligns with performance and reliability goals while documenting trade-offs (memory considerations during the disposal pause) and future revert steps.
July 2025
4 Commits • 1 Features
Jul 1, 2025July 2025: Focused stability and API accessibility work in androidx/androidx. Delivered a UI fix to reflect the latest SceneCore bounds change events, stabilized GLTF handling by temporarily disabling disposal to prevent runtime crashes, and enabled broader API usage for Alpha05 through temporary unexposures (with a revert planned). All work aligns with performance and reliability goals while documenting trade-offs (memory considerations during the disposal pause) and future revert steps.
June 2025
4 Commits • 3 Features
Jun 1, 2025June 2025: API modernization and accessibility improvements across core AndroidX APIs to improve consistency, developer experience, and future-proofing. Key changes include PanelEntity API modernization (removing deprecated BasePanelEntity and promoting direct PanelEntity usage; PanelEntity.size updated to Float2dSize; property accessors), ActivitySpace API modernization (property-based access for bounds and events; renamed listener methods; alignment of runtime implementations with API), and Public exposure of PointSourceParams (removing @RestrictTo and updating docs for configuring positional sound sources). No explicit bug fixes were reported in the provided data; the work focuses on API stability, consistency, and enabling broader usage. Business value includes reduced integration friction, easier onboarding for new features, and a solid foundation for future enhancements; demonstrated across API refactoring, runtime alignment, and documentation improvements.
4 Commits • 3 Features
Jun 1, 2025June 2025: API modernization and accessibility improvements across core AndroidX APIs to improve consistency, developer experience, and future-proofing. Key changes include PanelEntity API modernization (removing deprecated BasePanelEntity and promoting direct PanelEntity usage; PanelEntity.size updated to Float2dSize; property accessors), ActivitySpace API modernization (property-based access for bounds and events; renamed listener methods; alignment of runtime implementations with API), and Public exposure of PointSourceParams (removing @RestrictTo and updating docs for configuring positional sound sources). No explicit bug fixes were reported in the provided data; the work focuses on API stability, consistency, and enabling broader usage. Business value includes reduced integration friction, easier onboarding for new features, and a solid foundation for future enhancements; demonstrated across API refactoring, runtime alignment, and documentation improvements.
June 2025
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Quality Metrics
Correctness95.2%
Maintainability91.6%
Architecture91.0%
Performance88.4%
AI Usage22.2%
Skills & Technologies
Programming Languages
GradleGroovyJavaKotlin
Technical Skills
API DesignAPI DevelopmentAPI ManagementAR/VR DevelopmentAndroid DevelopmentAndroid developmentBuild ConfigurationBuild System ConfigurationBuild System ManagementCode RefactoringCode ReversionCodebase MaintenanceComposeConcurrency ManagementDRM
Repositories Contributed To
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