EXCEEDS logo
Exceeds
Mikołaj Szydłowski

PROFILE

Mikołaj Szydłowski

Over a three-month period, contributed to mrousavy/react-native-reanimated and expo/expo by focusing on stability, user experience, and documentation. Addressed Android runtime crashes by implementing robust NullPointerException handling in Java, improving production reliability. Enhanced the animated keyboard example using React Native and TypeScript, adding features like a sticky accessory bar and real-time keyboard state, while also clarifying documentation for useAnimatedKeyboard behavior on iPad. In expo/expo, updated Markdown documentation to include react-native-enriched in the Rich Text Editing guide, streamlining developer onboarding. The work emphasized defensive programming, clear documentation, and thoughtful UI development across both Android and cross-platform environments.

Overall Statistics

Feature vs Bugs

40%Features

Repository Contributions

5Total
Bugs
3
Commits
5
Features
2
Lines of code
210
Activity Months3

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for expo/expo: Focused on improving documentation quality for Rich Text Editing by updating the supported libraries section to include react-native-enriched, enhancing developer onboarding and integration clarity. No major bugs fixed this month. The change reinforces Expo’s commitment to accurate, actionable docs and aligns documentation with the current library ecosystem.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 (Month: 2025-02) highlights for mrousavy/react-native-reanimated. Focused on reliability with Android Fabric integration, improved keyboard-related UX, and clarified behavior in docs. Key results include: 1) Android Fabric event listeners: prevent duplicate handling by registering listeners only once when the new architecture is enabled; 2) Animated keyboard example enhancements: sticky accessory bar, real-time height/state, interactive dismissal testing, and expanded scrolling demo; 3) Documentation update for useAnimatedKeyboard on iPad floating keyboard to reflect height 0 and state CLOSED. Impact: increased stability, better developer experience, and reduced support overhead.

January 2025

1 Commits

Jan 1, 2025

January 2025 monthly summary focused on delivering stability and reliability improvements in mrousavy/react-native-reanimated for Android. Implemented a targeted crash fix in TabNavigatorObserver by adding NullPointerException handling in onFragmentUpdate to prevent release-build crashes and improve runtime stability. The change reduces crash reports in production and enhances user experience on Android devices. The work aligns with defensive programming practices and quality standards for Android integration, with a strong emphasis on maintainability and long-term stability.

Activity

Loading activity data...

Quality Metrics

Correctness90.0%
Maintainability88.0%
Architecture84.0%
Performance84.0%
AI Usage24.0%

Skills & Technologies

Programming Languages

JavaJavaScriptMarkdownTypeScript

Technical Skills

Android DevelopmentDocumentationException HandlingMobile DevelopmentReact NativeReanimatedUI Development

Repositories Contributed To

2 repos

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

mrousavy/react-native-reanimated

Jan 2025 Feb 2025
2 Months active

Languages Used

JavaJavaScriptMarkdownTypeScript

Technical Skills

Android DevelopmentException HandlingDocumentationMobile DevelopmentReact NativeReanimated

expo/expo

Sep 2025 Sep 2025
1 Month active

Languages Used

Markdown

Technical Skills

Documentation