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Chiping Yeh

PROFILE

Chiping Yeh

Over three months, Cpy developed and enhanced authentication and credential management features for the android/snippets repository, focusing on secure, modern user flows. He integrated the Android Credential Manager API and Digital Asset Links, enabling seamless password and passkey retrieval while refactoring code for clarity. Using Kotlin and Java, he implemented native passkey creation, Google Sign-In with Identity Services, and robust error handling for credential operations. Cpy also extended credential management into WebView, supporting autofill and aligning demo environments for reliable testing. The work demonstrated depth in Android development, API integration, and secure authentication, emphasizing maintainability and forward compatibility throughout.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

10Total
Bugs
0
Commits
10
Features
6
Lines of code
1,247
Activity Months3

Work History

July 2025

3 Commits • 2 Features

Jul 1, 2025

July 2025 highlights for android/snippets: Key features delivered: - Autofill Credential Manager Integration in WebView: Implemented autofillImplementation to process credential requests (passwords and passkeys), enhanced WebViewMainActivity setup to initialize WebView with a passkey-related listener, and enabled PendingGetCredentialRequest for username/password fields to integrate with the credential manager. - WebView Demo Site Update: Updated the WebView URL in WebViewMainActivity.kt to point to a new Glitch.me site, aligning webview content with the updated test/demo environment. Major bugs fixed: - None reported this month. Overall impact and accomplishments: - Strengthened security and user experience by supporting modern credential management within WebView, reducing login friction and improving adoption of passwordless flows. - Improved development and QA workflow by aligning the demo environment with the app, enabling reliable demonstrations and testing. Technologies/skills demonstrated: - Android WebView integration, credential management APIs (including passkeys), Kotlin/Java development for WebViewMainActivity - Git-based traceability with clear commit references - End-to-end feature delivery from UI integration to test/demo environment alignment

April 2025

3 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary for repository android/snippets. Delivered foundational authentication enhancements including Passkey and Credential Manager integration and Google Sign-In integration. Implemented native passkey creation via CreatePublicKeyCredentialRequest and password registration via CreatePasswordRequest with improved error handling for credential creation. Added Google Sign-In using Google's Identity Services with updated Gradle dependencies, sign-in flow, credential management, and token parsing. Overall impact: stronger, more seamless user authentication, improved security posture, and expanded on-device credential handling. No major bugs fixed this month; all changes align with existing QA practices and forthcoming documentation updates to accompany the features.

March 2025

4 Commits • 2 Features

Mar 1, 2025

For 2025-03 (android/snippets), delivered two major features focused on security and app-link integrity. Implemented Android Credential Manager API integration with dependencies, Play Services integration, and code to retrieve passwords and passkeys, accompanied by a refactor for clearer function naming. Added Digital Asset Links (DAL) integration with testing commands to properly associate apps with their web assets and verify DAL status. No explicit bug fixes surfaced this month; the work emphasizes stability, maintainability, and forward readiness for credential-based flows.

Activity

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Quality Metrics

Correctness89.0%
Maintainability88.0%
Architecture88.0%
Performance86.0%
AI Usage24.0%

Skills & Technologies

Programming Languages

GradleHTTPJSONJavaJavaScriptKotlinProguardXML

Technical Skills

API IntegrationAndroid DevelopmentAuthenticationBuild ConfigurationCredential ManagementCredential Manager APIDependency ManagementDigital Asset LinkingGoogle Identity ServicesJavaScript InterfaceJetpack ComposeKotlinPasskey ImplementationRefactoringServer Configuration

Repositories Contributed To

1 repo

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

android/snippets

Mar 2025 Jul 2025
3 Months active

Languages Used

GradleHTTPJSONJavaKotlinProguardXMLJavaScript

Technical Skills

API IntegrationAndroid DevelopmentBuild ConfigurationCredential ManagementDependency ManagementDigital Asset Linking

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