ImageFlow

An intelligent image processing app built with Flutter that supports face anonymization and document scanning.

Features

• Home Screen — History of processed images with thumbnail, type, and date
• Image Capture — Camera or gallery selection via bottom sheet
• Processing Screen — Real-time progress with step descriptions
• Result Screen — Before/after comparison; Done saves to history
• History Detail — Full result view with metadata and PDF viewer

Tech Stack

• Flutter + GetX — state management and navigation
• ML Kit — face detection and text recognition
• OpenCV — document edge detection and perspective correction
• Hive — local storage
• PDF — document generation

Architecture

Clean Architecture with three layers:

lib/
├── core/         # constants, errors
├── domain/       # entities, repositories (abstract), use cases
├── data/         # models, local datasources, ML services, repository implementations
└── presentation/ # GetX controllers, views, bindings

Dependencies

Package	Purpose
get	State management & navigation
google_mlkit_face_detection	Face detection
google_mlkit_text_recognition	OCR / text recognition
opencv_dart	Document edge detection
hive / hive_flutter	Local storage
image_picker / camera	Image capture
pdf / printing	PDF generation
open_filex	Open PDF externally

Getting Started

flutter pub get
flutter run

Requires iOS 14+ or Android API 21+. Camera and photo library permissions needed at runtime.