🤖 Recognition_MLKit – Android Kotlin App with Google ML Kit

Recognition_MLKit is a modern Android application built with Kotlin that integrates Google's ML Kit to perform various on-device machine learning tasks. The app provides real-time image recognition functionalities using the device's camera or gallery.

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🚀 Features

• 📷 Text Recognition (OCR) – Detect and extract text from camera or image input.
• 😊 Face Detection – Identify human faces, facial landmarks, and emotions.
• 📦 Barcode Scanning – Read QR codes, EAN, UPC, and other barcode formats.
• 🧠 Image Labeling – Automatically label objects or scenes in an image.
• 🖼️ Object Detection – Detect and track multiple objects in real time (optional).
• 📁 Image Picker – Select image from gallery for offline analysis.

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🧱 Project Structure

Recognition_MLKit/ ├── app/ │ ├── src/ │ │ └── main/ │ │ ├── java/com/example/recognition_mlkit/ │ │ │ ├── MainActivity.kt │ │ │ ├── TextRecognitionActivity.kt │ │ │ ├── FaceDetectionActivity.kt │ │ │ ├── BarcodeScannerActivity.kt │ │ │ └── utils/ │ │ └── res/ │ │ ├── layout/ │ │ ├── drawable/ │ │ └── values/ ├── build.gradle ├── AndroidManifest.xml

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⚙️ Technologies & Dependencies

• Kotlin – Modern programming language for Android
• CameraX – Jetpack library for camera handling
• Google ML Kit:
  • com.google.mlkit:text-recognition
  • com.google.mlkit:face-detection
  • com.google.mlkit:barcode-scanning
  • com.google.mlkit:image-labeling
• ViewModel + LiveData – For clean state management
• Material Components – For UI styling

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🔐 Permissions

Make sure to request these runtime permissions:

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
For Android 13+ (API 33), add:

<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />


✅ Setup Instructions
Clone the repository:
git clone https://github.com/your-username/Recognition_MLKit.git
Open the project in Android Studio.

Sync Gradle and install dependencies.

Run the app on a device or emulator with camera support.

📦 Future Improvements
📹 Real-time video processing with CameraX

☁️ Cloud-based ML support (optional)

🌙 Dark Mode

🧪 Unit & Instrumented Tests

🧑‍💻 Author
Tran Cuong