EXCEEDS logo
Exceeds
Chris Craik

PROFILE

Chris Craik

Over the past year, contributed to the androidx/androidx repository by building and enhancing tools for Android app bundle analysis, benchmarking, and build optimization. Leveraging Kotlin, Java, and Gradle, delivered features such as CSV-based reporting, parallel data processing, and modular benchmarking infrastructure. Improved code maintainability through refactoring, introduced safer defaults for performance testing, and modernized build automation with new DSLs and source set migrations. Addressed reliability by fixing test flakiness and aligning with evolving toolchains like AGP and Perfetto. The work emphasized data fidelity, developer usability, and forward compatibility, resulting in more robust performance analysis and streamlined build workflows.

Overall Statistics

Feature vs Bugs

79%Features

Repository Contributions

56Total
Bugs
7
Commits
56
Features
27
Lines of code
8,973
Activity Months12

Your Network

5953 people

Shared Repositories

797
Yuri SchimkeMember
Rahul RavikumarMember
Liana KazanovaMember
Jorim JaggiMember
elabadysayedMember
Robin LiuMember
Abhijith NairMember
Abhijith NairMember
Abhijoy SahaMember

Work History

June 2026

7 Commits • 2 Features

Jun 1, 2026

June 2026 monthly summary for androidx/androidx: - Delivered modular benchmark enhancements and stability improvements for TraceProcessor and Perfetto integration, enabling microbenchmarks, simplifying build configuration, and increasing reliability across CI and device tests. - Achieved actionable business value by reducing cross-module friction, improving performance data quality, and ensuring consistent benchmarking across supported platforms.

May 2026

3 Commits • 3 Features

May 1, 2026

2026-05 monthly summary for androidx/androidx: Delivered three principal capabilities that improve safety, build reliability, and performance, while reducing maintenance burden. Highlights include a Type-Safe ThreadTrack API, migration of KMP consumer rules to a keepRules source set with automatic packaging (removing the DSL), and adoption of a new optimization DSL for resource shrinking to boost build efficiency.

April 2026

5 Commits • 3 Features

Apr 1, 2026

April 2026 month summary focusing on delivering test infrastructure improvements, safer benchmarking defaults, and clearer memory-profiling documentation across AndroidX and Perfetto. Delivered concrete feature work with rigorous validation and linked to business value: more reliable test execution for minified libraries, safer startup benchmarks, and improved developer onboarding to profiling tools.

March 2026

2 Commits • 2 Features

Mar 1, 2026

March 2026 monthly summary for androidx/androidx: Delivered two feature improvements focused on logging clarity and benchmark configuration maintainability. No major bugs fixed were documented in this period. Business value: improved debugging efficiency and cleaner benchmark setup, enabling faster issue resolution and easier onboarding for maintainers. Technologies demonstrated: Android logging discipline, ProGuard configuration management, Gradle-based build and benchmark workflows.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 - androidx/androidx: Delivered documentation-driven enhancements and a critical metric-detection fix, strengthening developer usability and metrics accuracy across AGP/R8 packaging.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for androidx/androidx focusing on macrobenchmark work and performance reliability.

November 2025

9 Commits • 4 Features

Nov 1, 2025

Monthly performance summary for 2025-11 (androidx/androidx): Delivered significant enhancements across instrumentation, CSV reporting, obfuscation analytics, and build-tool readiness, with a strong emphasis on business value, data fidelity, and forward-compatibility. Overall impact: Strengthened performance analysis capabilities for Android components, improved reporting reliability and speed, and aligned tooling with upcoming AGP 9.0 requirements, enabling faster decision-making and smoother developer workflows.

October 2025

6 Commits • 4 Features

Oct 1, 2025

October 2025 performance summary for androidx/androidx: - Delivered significant analytics and reporting enhancements for Android app bundles, focusing on minification, obfuscation, and native library analysis, while maintaining performance integrity. - Fixed a key performance regression in benchmarks to ensure reliable measurements and faster iteration cycles. - Prepared the wear benchmarks and AGP9 migration path by adjusting ProGuard rules to be test-only and compatible with upcoming tooling, minimizing impact on production rules. Overall, this month emphasized business value through deeper insights into code size optimization, faster and more accurate reporting, and safer upgrade paths for AGP 9 and Wear benchmarks.

September 2025

2 Commits

Sep 1, 2025

Month: 2025-09 Concise monthly summary focused on business value and technical achievements for androidx/androidx. Highlights include stability improvements in tracing and native linking reliability, underpinned by tests and clear release notes.

August 2025

11 Commits • 5 Features

Aug 1, 2025

August 2025 monthly summary for androidx/androidx focusing on expanding AAB/APK analysis capabilities, improving data extraction/normalization, upgrading build tooling, and enhancing reporting. Delivered major features across R8/D8 metadata parsing, build system upgrades, APK analysis support, ProGuard mapping extraction, and Perfetto trace labeling.

July 2025

7 Commits • 1 Features

Jul 1, 2025

July 2025: Delivered the AAB Report Tool Overhaul for androidx/androidx with Gradle-based build integration, CSV reporting, and score-based analysis; improved usability, performance, and reporting quality. Implemented parallel batch processing for faster CSV output and analysis scoring, and refactored the code into packages with flattened classes for maintainability. Enhanced CSV outputs to include analysis scores and richer reporting. Fixed flaky tests in LazyStaggeredGridScrollingBenchmark to unblock CI/testing, improving overall reliability.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for androidx/androidx: Delivered a non-functional dependency upgrade targeting the Benchmark library to align with newer benchmarking capabilities. Upgraded from 1.4.0-rc01 to 1.5.0-alpha01 in libraryversions.toml with no functional code changes, maintaining behavior while enabling future improvements. Commit reference captured for traceability.

Activity

Loading activity data...

Quality Metrics

Correctness90.2%
Maintainability86.4%
Architecture87.6%
Performance81.4%
AI Usage23.6%

Skills & Technologies

Programming Languages

GradleGroovyJavaKotlinMarkdownProGuardTOML

Technical Skills

Android App Bundle AnalysisAndroid App BundlesAndroid Build SystemAndroid DevelopmentAndroid developmentBenchmarkingBuild AutomationBuild ConfigurationBuild OptimizationBuild System ConfigurationBuild System IntegrationBuild ToolingBuild ToolsCSV GenerationCSV Handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

androidx/androidx

Jun 2025 Jun 2026
12 Months active

Languages Used

TOMLJavaKotlinGradleProGuardGroovy

Technical Skills

Dependency ManagementAndroid App Bundle AnalysisAndroid App BundlesAndroid DevelopmentBuild System ConfigurationBuild System Integration

google/perfetto

Apr 2026 Apr 2026
1 Month active

Languages Used

Markdown

Technical Skills

documentationmemory profilingsoftware profilingtechnical writing