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Changan Shi

PROFILE

Changan Shi

Worked extensively on Esri/arcgis-maps-sdk-flutter-samples, delivering 21 features and addressing stability through targeted bug fixes over nine months. Focused on building robust Flutter sample apps for 3D visualization, navigation, and data handling, leveraging Dart and the ArcGIS Maps SDK. Enhanced user experience by refining UI/UX, optimizing performance, and consolidating reusable components. Upgraded dependencies and build tools, ensuring compatibility and maintainability across Android and Flutter platforms. Implemented advanced features such as dynamic route recalculation, viewpoint synchronization, and animated overlays, while improving error handling and onboarding. Prioritized code quality through refactoring, dependency management, and workflow automation for repeatable builds.

Overall Statistics

Feature vs Bugs

91%Features

Repository Contributions

35Total
Bugs
2
Commits
35
Features
21
Lines of code
41,317
Activity Months9

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for Esri/arcgis-maps-sdk-flutter-samples focusing on stability, developer experience, and repeatable builds. Delivered targeted changes that improve build reliability, onboarding, and issue triage, enabling faster delivery cycles for the SDK samples.

January 2026

2 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for Esri/arcgis-maps-sdk-flutter-samples. Focused on dependency hygiene and stability by upgrading the file_picker library to the latest compatible releases. Delivered a two-step upgrade from 10.2.0 to 10.3.10 (via 10.3.8 intermediate) across two commits, with these changes: update file_picker (#427) and Update the File_Picker 10.3.10 (#431). This work reduced build and runtime risks, improved file handling capabilities in the samples, and aligned the repository with current Flutter ecosystem standards. No customer-reported defects were addressed this month; the primary value was maintainability and forward compatibility.

July 2025

6 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for Esri/arcgis-maps-sdk-flutter-samples focused on delivering robust, developer-friendly Flutter samples and improving animation reliability across GeoViews. Key features delivered include a ticker-based ImageOverlay animation sample with improved frame control, caching improvements, and UI simplification; plus a new Viewpoint synchronization sample for MapView and SceneView with gesture-based enhancements. A targeted bug fix addressed a crash in the image animation feature by using file URIs and normalizing animation frame rates. These efforts reduce runtime crashes, enhance animation smoothness, and enable easier cross-view coordination for developers, driving faster prototyping and higher-quality demos.

June 2025

6 Commits • 5 Features

Jun 1, 2025

June 2025 monthly summary for Esri/arcgis-maps-sdk-flutter-samples highlighting key feature deliveries and code-level improvements across the ArcGIS Flutter samples.

March 2025

6 Commits • 3 Features

Mar 1, 2025

March 2025 monthly summary for Esri/arcgis-maps-sdk-flutter-samples focused on delivering feature-rich raster visualization improvements, UI polish, and improved sample organization, with a steady emphasis on business value, maintainability, and developer experience.

February 2025

2 Commits • 2 Features

Feb 1, 2025

February 2025: Delivered two key features in Esri/arcgis-maps-sdk-flutter-samples that enhance routing reliability and cross-platform consistency. The Dynamic Route Recalculation Sample App introduces a rerouting workflow with a README and core Dart navigation code, plus theme updates to support the new sample. The Cross-Platform Navigation Timing and Voice Guidance Stability work aligns location update intervals with iOS, stabilizes voice guidance by refining the speech engine readiness, ensures TTS stops when navigation ends, and removes the simulation speed parameter.

January 2025

3 Commits • 1 Features

Jan 1, 2025

January 2025: Delivered major enhancements for Esri/arcgis-maps-sdk-flutter-samples, focusing on business value and technical robustness. Key outcomes include unified Theme Management and a category-based Sample Browser UI that centralizes theme data and improves visual coherence and discoverability, and Flutter SDK compatibility and stability updates that upgrade Flutter to 3.27.2, replace deprecated color opacity methods, and ensure the context is mounted before navigation/dialog operations to prevent crashes. These changes reduce runtime issues, improve developer onboarding, and lay a scalable foundation for future theming and UI improvements.

December 2024

5 Commits • 3 Features

Dec 1, 2024

December 2024 performance summary for Esri/arcgis-maps-sdk-flutter-samples focused on modernization and UX polish across the Flutter sample suite. Key platform and UI improvements were delivered through tooling upgrades, UX enhancements, and component consolidation. No critical defects fixed this month; the work prioritized stability, security posture, and maintainability to enable faster feature delivery.

November 2024

4 Commits • 3 Features

Nov 1, 2024

November 2024 performance highlights for Esri/arcgis-maps-sdk-flutter-samples focused on UI polish, reliability, and user feedback improvements. Delivered concrete UI refinements, enhanced task status signaling for long-running operations, and robust error handling to prevent crashes and guide users through issues. These changes improve developer experience and product usability, reduce support friction, and contribute to faster onboarding with clearer feedback loops across sample apps.

Activity

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Quality Metrics

Correctness92.0%
Maintainability90.6%
Architecture88.4%
Performance85.4%
AI Usage20.6%

Skills & Technologies

Programming Languages

DartGradleJavaScriptMarkdownWebPXMLYAML

Technical Skills

3D VisualizationAPI IntegrationAndroid DevelopmentArcGIS Maps SDKArcGIS SDKAsynchronous ProgrammingBuild ToolsCode RefactoringDartData VisualizationDependency ManagementError HandlingFlutterFlutter DevelopmentFlutter development

Repositories Contributed To

1 repo

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

Esri/arcgis-maps-sdk-flutter-samples

Nov 2024 Mar 2026
9 Months active

Languages Used

DartGradleWebPJavaScriptMarkdownYAMLXML

Technical Skills

Error HandlingFlutter DevelopmentMobile DevelopmentAndroid DevelopmentBuild ToolsCode Refactoring