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Ebrahim Byagowi

PROFILE

Ebrahim Byagowi

Ebrahim developed and maintained the persian-calendar/persian-calendar repository, delivering a robust, feature-rich calendar application for Android and Wear OS. He engineered complex date handling, localization, and astronomical calculations, integrating Kotlin and Jetpack Compose to create responsive, accessible UIs. His work included implementing multi-calendar support, advanced scheduling widgets, and dynamic UI theming, while refactoring core logic for maintainability and performance. Ebrahim addressed cross-locale week-start logic, accessibility flows, and CI stability, ensuring reliable releases. By expanding data models, optimizing build systems, and modernizing codebases, he enabled broad internationalization and seamless user experiences, demonstrating depth in Android development, state management, and code quality.

Overall Statistics

Feature vs Bugs

77%Features

Repository Contributions

1,695Total
Bugs
171
Commits
1,695
Features
581
Lines of code
73,007
Activity Months13

Work History

November 2025

52 Commits • 19 Features

Nov 1, 2025

2025-11 monthly summary for persian-calendar/persian-calendar: Key features delivered, major fixes, and measurable impact. This month focused on unifying week-start semantics across locales, enhancing UI/UX in astronomy and settings, improving data modeling and performance, and stabilizing the CI/build process. Highlights include introducing WeekDay enum and flow-based week-start logic, Moon in Scorpio UI enhancements, WeekEnds refactor to a Set<WeekEnd>, autosize and rendering fixes in Settings UI, and ongoing build/test stability with dependency upgrades and JUnit runner upgrade.

October 2025

342 Commits • 107 Features

Oct 1, 2025

2025-10 monthly summary for persian-calendar/persian-calendar: Delivered UI refinements, accessibility and localization improvements, and stability hardening across the calendar app. Notable improvements include screen surface transitions optimizations for smoother navigation, overshoot background color bug fix, and expanded localization with more locations and Persian zero-padding adjustments. Typography and font management were enhanced with Material3 migration and licensing updates, complemented by broad UI polish for calendar interactions and animations. Strengthened accessibility (a11y) with TalkBack refinements and exposing accessibility state as flows. Calendar navigation and year-view stability were improved to reduce regressions and improve reliability across flows. These efforts collectively improve user experience, international reach, and developer maintainability.

September 2025

189 Commits • 58 Features

Sep 1, 2025

September 2025: persian-calendar/persian-calendar Overview: This month focused on user experience improvements, build stability, and calendar data enhancements to deliver measurable business value, while laying groundwork for upcoming features. The work spans UI refresh, platform modernization, API simplification, calendar data expansion, and accessibility/localization improvements. Key features delivered: - UI/UX refresh for MonthView and ScheduleWidget with design-aligned updates, including a circle add button for the secondary calendar, header overlap fixes, and refined color handling (commits a677d5350abcbe02c50cc411b0457b43b7f97c2d; 9c5c98adb41deef9d17eb0e56c1e2aaf17c336c1; 858a283eec4677587acc08dda6b19d2ed28dd054; 556d0ed1d087fc0cf5669ebf82ef468561d91c0e; 8a97786e61fa9f6781b386a440fbbd54bdcefec2). - API/Interface improvement: generalized interface for pending confirms to simplify usage and increase flexibility (commit 9c53d9eda9004eee6acf98c76567fcbe8bf8c463). - Build and platform modernization: AGP upgrade to the latest version and Gradle 9.0 adoption to align with project requirements and future releases (commits d56769399c0ebb715fa0a8afc747b026b45daa1a; dfd6b1dbbd770163edd8f43d673cd790b236307e). - Data and calendar enhancements: city data expansion and addition of new cities; planetary hours display; sacred months handling and astronomical feature toggles; Abjad mode introduction; and a general calendar/display polish (multiple commits listed below). - Accessibility and localization: broad accessibility improvements across dialogs, date pickers, and UI, with Persian translations tweaks to improve clarity and usability (multiple commits). Major bugs fixed: - UI/text polish and correctness: removed accidental underline in NumberEdit; fixed misspellings in UI/text (commit d4014d1f5d1579e7b5d221225e0df3fce8c66f7c). - Event creation behavior: prevent sending widget id on new event creation to avoid unintended behavior (commit ab1b4e3f017b869da8ab84b0573ce6863409530a). - Dialog/navigation stability: fixes to dialog flow on dismissals and nested dialogs exit paths (multiple commits). - Accessibility stability: fixes to ensure correct traversal and interaction in TalkBack scenarios and other accessibility flows (commits including 3e9cba592a58d238edb51e3bfcb359e0e8b687bf and related). - Minor UI and text fixes: various small misspellings and UI text adjustments (commits listed under UI polish, Minor tweaks). Overall impact and accomplishments: - Delivered a cohesive UI polish that improves user engagement and perceived quality while maintaining data accuracy across the calendar domain. Build/tooling modernization reduces release risk and supports faster iteration cycles. Availability of more cities and richer calendar features expands value for end users and supports higher retention. Accessibility and localization enhancements broaden reach and inclusivity, contributing to better adoption in multilingual contexts. Technologies/skills demonstrated: - Android/Kotlin development, Gradle and AGP modernization, Material 3 wear integration, localization and Persian translations, accessibility patterns and testing, calendar computations (e.g., planetary hours, sacred months), and robust code cleanup/refactor for maintainability.

August 2025

87 Commits • 48 Features

Aug 1, 2025

August 2025 highlights for persian-calendar/persian-calendar focused on calendar precision, data quality, localization, and build reliability. Delivered new calendar features, expanded zodiac data, and UX polish across multiple locales and Wear OS, while tightening robustness and keeping dependencies current. The work lays strong groundwork for broader localization and platform support while delivering measurable business value through improved scheduling accuracy, richer cultural context, and a more reliable user experience.

July 2025

67 Commits • 29 Features

Jul 1, 2025

July 2025 monthly performance for persian-calendar/persian-calendar focused on delivering concrete business value while improving code quality and maintainability. Key user-facing features were extended date/time capabilities and richer zodiac/astronomy calculations, accompanied by UI and reliability improvements across widgets and views. Strong emphasis on performance, testing, and dependency hygiene to support product stability and faster delivery of enhancements.

June 2025

115 Commits • 24 Features

Jun 1, 2025

June 2025 monthly summary for persian-calendar/persian-calendar focusing on business value, feature delivery, and reliability. Overview: Delivered significant calendar/date improvements, UI refinements, and stability enhancements. Expanded date handling with Yazdegerd/Yazdigird support, improved UI components (AppDialog/LazyList), and advanced astronomy/horoscope features. Strengthened CI stability through targeted testing improvements and dependency/credit updates, with notable bug fixes for runtime crashes. Impact: Broadened localization and historical calendar support, improved user experience in dialogs and widgets, and more robust date formatting across scenarios. Sustained high-quality code with fewer flaky tests and clearer credits.

May 2025

39 Commits • 17 Features

May 1, 2025

May 2025 delivered substantial calendar app enhancements, stability fixes, and build maintenance across persian-calendar/persian-calendar. Key features include Days screen enhancements with a secondary calendar and restored weekpager on landscape, Zodiac display improvements with accurate naming, and Moon in Scorpio features with clock behavior and test coverage. Localization improvements (Nepali and Tamil moon state visibility) plus year-name horoscope and month-table/Android compatibility tweaks broaden market readiness. Maintenance work included removing legacy generateZodiacInformation, lifecycle/Compose fixes, code cleanup (elegantTextHeight removal), and build upgrades (dependencies and AGP), resulting in higher quality, reliability, and faster iteration.

April 2025

114 Commits • 39 Features

Apr 1, 2025

April 2025 (2025-04) monthly summary for the Persian calendar initiative and related projects. Focused on delivering user-facing calendar improvements, improving localization, and bolstering reliability across Android, Wear OS, and build/dependency management. The work enhances user value by providing clearer information, richer calendar displays, and broader locale support, while strengthening stability through dependency management, testing, and CI improvements. Overall, this period shows strong cross-repo collaboration, practical UX enhancements, and robust scaffolding for future feature work.

March 2025

109 Commits • 37 Features

Mar 1, 2025

Month: 2025-03 — Persian Calendar (Wear OS Edition) — Concise Monthly Summary 1) Key features delivered - Wear OS integration and tile service enhancements: added Wear OS support, improved tile preview image and positioning, updated protos, and introduced a toggleable tile service with build tweaks. - Calendar intents integration: enabled receiving content://com.android.calendar/time/ intents and integrated with app calendar. - App scaffolding and navigation: introduced AppScaffold/ScreenScaffold, Compose navigation support, and separated MainScreen into its own file. - UI and accessibility: expanded settings UI and functionality; migrated to Material 3; added high-contrast text detection. - Wear OS calendar UI enhancements: clickable date titles, event indicators, font-scale resilience; month tile integration; calendar styling aligned with screen size; display of other calendars on main screen; date navigation helpers. - Localization and internationalization: Persian app name translation; Azeri months option; German translation enabled. - Build system and packaging improvements: modernization using tasks.register() and related build improvements. 2) Major bugs fixed - Timezone handling: do not override timezone on Android 13 and later. - Holidays and cross-calendar events: fix holidays offset by one and ensure events from other calendars display correctly. - Equinox remaining time updates: ensure accurate remaining time calculation. - Stability fixes: MainTileService onDestroy crash workaround; fix debug router; minor cleanup of scaffolds usage and UI layout alignment regressions; fix year logic. 3) Overall impact and accomplishments - Substantial modernization across the Wear OS module, enabling richer calendar features, better performance, and improved stability. - Expanded business value through broader localization (Persian, Azeri, German), calendar enhancements, and better user experience on Wear OS, driving user engagement and retention. - Faster, more maintainable builds and deployment through build-system modernization and refactors. 4) Technologies/skills demonstrated - Kotlin, Android Jetpack Compose, Wear OS development, Content intent integration, WorkManager for background updates, Material 3, localization (i18n), modular architecture, and build tooling improvements.

February 2025

108 Commits • 43 Features

Feb 1, 2025

February 2025 summary: Delivered major features and stability improvements across the Persian Calendar and related widgets, with a strong focus on internationalization, widget UX, and platform modernization. Highlights include i18n refinements, schedule and month widget enhancements (pre‑S updates, preview images, and secondary calendar support), and a ramp to modern Android tooling, CI practices, and dependency management. These efforts improve multilingual accuracy, user experience, and release reliability.

January 2025

151 Commits • 59 Features

Jan 1, 2025

January 2025: Delivered a comprehensive set of UI/UX, performance, localization, accessibility, and build-quality improvements across multiple repos (persian-calendar/persian-calendar, hallowelt/mediawiki, ggerganov/llama.cpp). Key calendar features delivered include crossfade between screen modes and the material FAB integration, day planning improvements with an expandable schedule when events exceed three, and broader UI/UX refactors to simplify layout and navigation. Performance and data-loading improvements were implemented by reading only the necessary week events, moving event retrieval out of DaysTable, and saving zoom/times expansion state across views. Localization and accessibility efforts added Portuguese, Italian, and Tamil language support, high-contrast optimizations, and updated accessibility attributes. Build and CI stabilization were advanced via Kotlin version update, AGP upgrade, and temporary CI disables for Android UI tests. Scheduling widgets were enhanced with integration and UI behavior improvements for better end-user workflows. Cross-repo quality efforts include RTL support for llama.cpp, dark mode adaptation in MediaWiki, and general code cleanup and refactors. Business value: faster, more reliable, and accessible experiences with improved release hygiene and broader internationalization.”,

December 2024

178 Commits • 55 Features

Dec 1, 2024

Concise monthly summary for 2024-12 focusing on key features delivered, major bug fixes, overall impact, and technologies demonstrated. Emphasizes business value and concrete deliverables across persian-calendar/persian-calendar and related repo.

November 2024

144 Commits • 46 Features

Nov 1, 2024

November 2024 performance snapshot: Focused on delivering a polished calendar experience and stabilizing core UI flows for persian-calendar/persian-calendar, with accessibility, performance, and release readiness improvements. Key features delivered include AgendaScreen (renamed later to Schedule) with refined UI and shared element transitions to the calendar, plus new daily/week scheduling interfaces and accessibility enhancements. The team also implemented cross-view cohesion via shared calendar days between calendar and schedule, and executed targeted UI/UX refinements and animation tweaks.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.4%
Architecture86.6%
Performance87.6%
AI Usage20.2%

Skills & Technologies

Programming Languages

C++DartGradleHTMLJSONJavaJavaScriptJetpack ComposeKotlinMarkdown

Technical Skills

API IntegrationAccessibilityAccessibility ServicesAlarmManagerAlgorithm DesignAlgorithm ImplementationAlgorithm OptimizationAlgorithm RefactoringAlgorithm simplificationAndroidAndroid AutoAndroid Car App DevelopmentAndroid DevelopmentAndroid Jetpack ComposeAndroid Testing

Repositories Contributed To

3 repos

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

persian-calendar/persian-calendar

Nov 2024 Nov 2025
13 Months active

Languages Used

JavaJavaScriptJetpack ComposeKotlinMarkdownXMLTextGradle

Technical Skills

AccessibilityAndroid DevelopmentAsset ManagementBackend DevelopmentBuild SystemsCalendar Development

hallowelt/mediawiki

Nov 2024 Apr 2025
5 Months active

Languages Used

PHP

Technical Skills

Code RefactoringInternationalizationLocalizationFront End DevelopmentBackend DevelopmentFront-end Development

ggerganov/llama.cpp

Jan 2025 Jan 2025
1 Month active

Languages Used

HTMLJavaScript

Technical Skills

UI/UX designVue.jsfront end development

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