Barcode Scanner: QR & Barcode

A high-performance barcode and QR Code scanner app developed using Android Jetpack Compose and Google ML Kit.

📷 Real-Time Camera Scan
- High-Performance Recognition: Powered by the Google ML Kit Barcode Scanning API for ultra-fast and precise barcode recognition.
- Camera Controls: Supports toggling the flashlight and zoom-in / zoom-out controls.
- Customizable Viewfinder: Easily resize the scanning viewfinder in real-time with a one-tap reset to default size.

🖼️ Gallery Scanning & Image Crop
- Gallery Loading: Select images from your device album to scan for barcodes.
- Image Crop: Built-in image cropping interface allows you to flexibly select a specific barcode area when dealing with multiple barcodes or complex backgrounds.

⚡ Smart Parsing & Actions
- Automatic Classification: Automatically detects scanned content (such as TWQR, Wi-Fi, contacts, calendar events, URLs, emails, SMS, phone numbers, etc.) and provides corresponding quick actions:
．One-tap Wi-Fi connection
．One-tap add to system contacts
．One-tap add to system calendar
．One-tap open URL in browser
．One-tap dial / send SMS / send email
- Direct Open App: Enable this in settings to automatically jump to the corresponding app after scanning.

🎨 Barcode Reproduction / Generation
Scanned results or history items can be instantly regenerated into high-resolution barcodes or QR Codes for easy saving, sharing, or scanning by others.

📜 History Management
- Local Storage: Safely stores all scanning history locally using the Room database.
- Auto-Cleanup: Customize the retention period for history items (e.g., 30 days) to automatically clean up expired records.
- Gesture Support: Swipe left to delete individual records, or clear all history with a single tap.

🔘 Quick Settings Tile
Integrated with Android Quick Settings tiles, allowing you to launch the scanner instantly from the system panel regardless of which app you are currently using.

Recent changes:
• Added support for event, vCard, and meCard QR codes.
• Image scan now supports selecting a custom scan area.
• Camera zoom is now controlled by tapping.
• Drag the scan frame to adjust the detection area.
• Fixed known issues and improved overall stability.