(2025 | Flutter, Dart, BLE (flutter_blue_plus), Provider, Intl, CSV | Android + iOS)
Links
- GitHub Repository: https://github.com/K3nny-k/BlinkOBD
- Privacy Policy: https://github.com/K3nny-k/BlinkOBD/blob/main/PRIVACY_POLICY.md
- Google Play (internal testing): https://play.google.com/apps/internaltest/4701275817624984097
Overview
A cross‑platform OBD‑II diagnostics app delivering real‑time vehicle telemetry, DTC read/clear, maintenance resets, and an advanced Hex console. Built for reliability and store‑ready release operations.
Development Process
Planning & Design
- Scoped MVP around stable BLE transport, core diagnostics (DTC/maintenance), and a clean Material 3 UI with EN/CN i18n.
- Defined data model for ECU descriptors from CSV and navigation flows for “Connect → Diagnose → Reset”.
Implementation
- Engineered BLE transport: MTU negotiation, connection state machine, permission gating, reconnection policy; stable comms with common OBD‑II BLE dongles.
- Implemented ECU workflows: SFD access, searchable ECU selector backed by structured repository; safe command execution via Hex console.
- UI: responsive Material 3 with light/dark themes; i18n and low‑friction interactions across Home/Settings/Diagnosis.
Deployment & Optimization
- Release pipelines: Android signing/APK; iOS code signing/IPA; App Store Connect uploads (Transporter/altool).
- GitHub Releases automation and semantic version tags; repository rename/migration, bundle IDs/names, crypto/export compliance.
- Targeted tests for frame codec/BLE flows/repository behaviors; defensive error handling across BLE/diagnostics.
Key Highlights
- Robust BLE stack + advanced diagnostics (SFD/Hex console).
- Internationalization (EN/CN) and polished, low‑friction UX.
- Store‑ready release process and compliance hygiene.