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Mike Hardy

PROFILE

Mike Hardy

Mike Hardy contributed to the AnkiDroid/Anki-Android and Anki-Android-Backend repositories by delivering robust release engineering, backend integration, and CI/CD modernization. He implemented features such as versioning automation, dependency upgrades, and security hardening, while also addressing edge cases like SQLiteDiskIOException handling on Android API 36+. Using Kotlin, Gradle, and Rust, Mike modernized build scripts, improved test reliability, and enhanced developer documentation. His work included aligning backend compatibility with upstream Anki releases and optimizing CI pipelines with caching and self-hosted runners. These efforts resulted in more stable releases, improved developer velocity, and better cross-platform maintainability for the AnkiDroid ecosystem.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

211Total
Bugs
20
Commits
211
Features
54
Lines of code
25,710
Activity Months13

Work History

October 2025

16 Commits • 3 Features

Oct 1, 2025

Monthly summary for 2025-10: Delivered substantive backend and Android app improvements with a clear business impact: higher stability, faster and more reliable builds, and closer alignment with upstream Anki/mobile client requirements. The work spanned three repositories, emphasizing robust error handling, modernized code style, and scalable CI/CD infrastructure. Key features and changes delivered: - Android SQLiteDiskIOException handling for API 36: Updated tests to verify robust handling of disk-full errors across SDK levels (commit 1cf98834d470b4fa7965357db9a44a3884af5714). - Code style and build configuration modernization: Adopt lint suggestions for ktlint plugin, refactor imports, replace System.exit(1) with exitProcess(1); modern Kotlin compiler options (commits 02021d0e001b89f68cf86f3ef5c5460c8264efad, 8f7234405fdea8b10e6313f75d272dec3ce0b9f4). - CI/CD reliability and performance improvements: Self-hosted macOS runners, caching enhancements, bootstrap scripts, and various build optimizations to reduce flakiness and improve cycle time (multiple commits including 10187de5309ded7c280ecff03535ae8d1f288793, etc.). - AnkiDroid Mobile Backend Compatibility and Release Update: No-op shim for new saveCustomColours backend function; upgraded Anki backend dependencies for mobile compatibility; bumped alpha release version to 2.23.0alpha5 (commits c13f0b8fcf65add66388b969ba0cf95268cf0708, 248e715ff437c50a407d71c119b1f5b735ee2034). Key bugs fixed: - Android SQLiteDiskIOException handling for API 36: tests updated to ensure robust handling of disk-full scenarios across SDK levels (commit 1cf98834d470b4fa7965357db9a44a3884af5714). Overall impact and accomplishments: - Improved stability and reliability in the Android backend and mobile integration, reducing risk from disk I/O edge cases on newer API levels. - Accelerated development cycles through modernized tooling, clearer Kotlin idioms, and faster CI/CD pipelines with cached artifacts and self-hosted runners. - Closer alignment with upstream Anki/mobile client requirements, enabling smoother releases and better end-user experiences. Technologies/skills demonstrated: - Kotlin, Android development, Gradle, ktlint, modern Kotlin compiler options, test-driven updates. - CI/CD optimization, self-hosted runners, build caching, cross-platform bootstrap scripting, and release management. - Dependency management and backend/frontend compatibility with upstream changes.

September 2025

3 Commits • 1 Features

Sep 1, 2025

September 2025 Monthly Summary: Focused delivery across two repos to improve release readiness and testing reliability. AnkiDroid: released release metadata bump for 2.23.0alpha4; Firebase Tools: fixed emulator SMS MFA finalization with obfuscated numbers, aligning behavior with cloud authentication. This work reduces release risk, accelerates testing, and demonstrates core skills in versioning, emulator debugging, and cloud-auth integration.

August 2025

4 Commits • 1 Features

Aug 1, 2025

Monthly performance summary for August 2025 focused on delivering business value through release readiness, compatibility, and stable upkeep across repositories.

July 2025

23 Commits • 6 Features

Jul 1, 2025

July 2025 monthly summary: Drove the 2.22.x release cycle for Anki-Android and backend, implemented release management with version bumps and milestone alignment, hardened security for content provider, improved localization compatibility, and modernized build tooling and dependencies. Updated backend dependencies and Android build environment to ensure stability and faster release readiness, delivering business value through stronger security, broader device compatibility, and streamlined CI/build processes.

June 2025

26 Commits • 6 Features

Jun 1, 2025

June 2025 monthly summary: Delivered coordinated release engineering and build/CI improvements across AnkI-Android and Anki-Android-Backend, enabling faster, more reliable releases with clearer observability. Key deliverables include a synchronized 2.22 alpha release cycle for Anki-Android, dependency and Gradle modernization, cross-repo core upgrades, observability enhancements, and developer workflow documentation. These efforts reduced release risk, improved build reliability, and accelerated triage and onboarding.

May 2025

5 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for ankidroid repositories focused on documentation enhancements and dependency maintenance to align with the latest Anki upstream releases. Implemented comprehensive docs updates for the switch from the SuperMemo 2 algorithm to the AI-optimized FSRS algorithm, and documented growth of premade decks from over 6,000 to over 10,000. Performed dependency upgrades to ensure compatibility with the latest Anki backend (25.02.4), preparing for smoother future upgrades.

April 2025

4 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary focusing on business value and technical delivery across ankidroid/Anki-Android and ankidroid/Anki-Android-Backend. Key focus areas: dependency modernization, release readiness, and CI/CD reliability enhancements that improve security, stability, and developer velocity.

March 2025

11 Commits • 5 Features

Mar 1, 2025

March 2025 (2025-03) achievements across Ankidroid repositories focused on stability, security, and release readiness. Key outcomes include dependency stabilization and modernization in Anki-Android, addition of SECURITY.md, backend dependency governance improvements via Dependabot, Rust 1.84 compatibility updates, and platform/toolchain upgrades for more reliable releases.

February 2025

24 Commits • 4 Features

Feb 1, 2025

February 2025 monthly performance summary across ankidroid/Anki-Android and ankidroid/Anki-Android-Backend. Focused on timely release maintenance, dependency and tooling upgrades, and CI/CD improvements to boost release velocity, stability, and cross-repo collaboration. Deliveries included version bumps for AnkiDroid, dependency upgrades, backend/toolchain updates, and CI/CD modernization, complemented by targeted test reliability improvements.

January 2025

25 Commits • 6 Features

Jan 1, 2025

January 2025: Cross-repo delivery focused on localization, release hygiene, and build health. Key features delivered: Uyghur i18n support in Anki-Android; release pipeline improvements for 2.21 alpha (multi-version bumps, minSdk updates, explicit release naming); backend upgrade of Anki subproject to 25.01beta1 with rc1 adoption; dependency/lockfile maintenance regenerating Cargo.lock and upgrading jaq to 2.1.0. Major bugs fixed: ReviewerTest local failure, and UI FAB layout margin. Overall impact: improved localization accessibility, faster, more reliable releases, and stronger build reproducibility. Technologies/skills demonstrated: Android/Kotlin, Gradle, CI/CD, Rust, Cargo, yarn, linting/formatting with clippy; cross-repo release engineering.

December 2024

14 Commits • 3 Features

Dec 1, 2024

Month: 2024-12. This period delivered notable improvements across AnkI Android Backend and App core, focusing on release readiness, UI accessibility, and CI/CD reliability. Highlights include upstream alignment for the backend submodule, structured release/versioning for alpha/beta cadences, RTL-friendly UI padding improvements, and stabilized dependency management and pipelines. These changes reduce release risk, accelerate delivery, and enhance internationalization and developer experience.

November 2024

50 Commits • 14 Features

Nov 1, 2024

November 2024 (2024-11) delivered substantial backend and Android app improvements, focusing on release readiness, synchronization reliability, build/CI/CD resilience, and system stability across the stack. Key changes include version bumps and SYNC_SERVER_MESSAGE handling in the Anki-Android-Backend, upgrades to Gradle and build tooling, and expanded CI workflows for faster, more reliable releases. On Anki-Android, we prepared the 2.20 alpha cycle with successive version bumps and dependency updates, plus notable refactors for testability and WebView handling, along with extensive crash prevention and resiliency fixes. Collectively, these efforts reduce release risk, improve developer productivity, and deliver a smoother user experience with better diagnostics and coverage.

October 2024

6 Commits • 2 Features

Oct 1, 2024

October 2024: Focused on stabilizing user-facing rendering and preparing a production release, while modernizing the build pipeline to reduce risk and improve maintainability. Key work included fixing flashcard image rendering across legacy WebView and Chrome engines, delivering Release 2.19.1, and updating Gradle tooling and build configs to align with updated permissions API and manifest requirements. These efforts improved app reliability, streamlined release readiness, and strengthened the development pipeline for future features.

Activity

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Quality Metrics

Correctness93.6%
Maintainability93.6%
Architecture90.6%
Performance88.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashBatchCSSGitGradleGroovyHTMLJavaJavaScriptKotlin

Technical Skills

API DevelopmentAPI SecurityAndroid DevelopmentAndroid TestingAuthenticationBackend DevelopmentBackend IntegrationBuild AutomationBuild ConfigurationBuild ManagementBuild ProcessBuild Script DevelopmentBuild ScriptingBuild SystemBuild System Configuration

Repositories Contributed To

5 repos

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

ankidroid/Anki-Android

Oct 2024 Oct 2025
13 Months active

Languages Used

CSSGradleHTMLJavaJavaScriptGroovyKotlinTOML

Technical Skills

Android DevelopmentBuild AutomationBuild ConfigurationDevOpsDocumentationFront End Development

ankidroid/Anki-Android-Backend

Nov 2024 Oct 2025
10 Months active

Languages Used

GradleGroovyJavaKotlinRustYAMLGitMarkdown

Technical Skills

Backend DevelopmentBuild AutomationBuild Script DevelopmentBuild SystemCI/CDConfiguration

ankitects/anki

Jan 2025 Jan 2025
1 Month active

Languages Used

N/A

Technical Skills

Build ProcessDependency Management

wix/Detox

Aug 2025 Aug 2025
1 Month active

Languages Used

Kotlin

Technical Skills

Android DevelopmentKotlin

firebase/firebase-tools

Sep 2025 Sep 2025
1 Month active

Languages Used

MarkdownTypeScript

Technical Skills

AuthenticationBackend DevelopmentEmulator Development

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