FotoCamera - Android Camera App

A Android camera application built with Kotlin that allows users to add customizable 4-digit number overlays to their photos.

Features

📷 Camera Preview - Real-time camera preview using Camera2 API

🔢 Number Overlay - Customizable 4-digit number displayed on viewfinder and saved photos

• First 2 digits: Red background
• Last 2 digits: Blue background
• Click to change via wheel picker dialog

💾 Smart File Naming - Photos saved with format: Number-day.month-time (e.g., 1234-28.02-11.48.56.jpg)

🔄 Persistent Settings - Number preference saved and restored between app launches

Technical Details

• Language: Kotlin
• Minimum SDK: Android 7.0 (API 24)
• Target SDK: Android 14 (API 34)
• Camera API: CameraX
• Architecture: MVVM pattern with ViewBinding

Dependencies

• CameraX: Camera functionality and lifecycle management
• Material Design: Modern UI components
• Number Picker: Custom wheel picker for digit selection
• SharedPreferences: Persistent storage for user settings

Permissions Required

• CAMERA - Access device camera
• WRITE_EXTERNAL_STORAGE - Save photos to device storage
• READ_EXTERNAL_STORAGE - Read existing photos

Number Overlay

• Real-time display on camera preview
• Canvas drawing on captured images
• Two-color background (red/blue) for visual distinction

Wheel Picker Dialog

• 4 individual NumberPicker components
• Range 0-9 for each digit
• Smooth scrolling and selection

Image Processing

• Post-capture overlay addition using Canvas
• High-quality JPEG compression
• Custom file naming with timestamp

License

This project is licensed under the MIT License - see the LICENSE file for details.

Support

For support, email [email protected] or create an issue in this repository.