SYS_ID: sampletrack-mobileMOBILE
Open Live DemoSampleTrack Mobile
Mobile QR Scanner & Lab Sample Registration App
// Technologies:
FlutterSQLite / HiveRiverpod / BlocGPS Engine
PROJECT SCREENSHOTS (16:9 HD)
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Overview
Mobile application for field technicians to scan QR codes, log physical laboratory samples, and capture sample condition photos directly in the field.
// Role:
Mobile Developer & System Analyst
// Key Contributions:
- Built the mobile application from scratch as the full developer for the entire app, collaborating with the manager and lead staff.
- Designed an intuitive mobile UI/UX interface optimized for rapid field QR scanning and updated features based on operational user feedback.
- Analyzed field sample collection workflows and built the Flutter Riverpod mobile app.
- Engineered an integrated auto-focus camera QR code & barcode scanner with automatic GPS location tagging.
- Implemented offline SQLite local storage with automated data conflict resolution and Dio HTTP retry queue interceptors.
Key Features
- 1High-Speed Barcode & QR Code Camera Scanner
- 2Field Sample Registration with GPS Location Tagging
- 3Physical Sample Condition Photo Capture
- 4Offline Mode for Low-Connectivity Plantation Remote Areas
- 5Multi-Regional & Plantation Unit Selector
System Architecture
// DEEP_TECH_SPECS & INTEGRATION
- >Integrated Camera QR Scanner with Auto-Focus Engine
- >Offline SQLite Database with Automated Conflict Resolution
- >Dio HTTP Interceptor for Token Management & Retry Queue
- >On-Device Image Compression Prior to Server Upload
- >Flutter Riverpod State Management
- >Device Fingerprinting & Regional Data Caching
Screenshots & Visuals

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