Pixabay Photo Viewer

Pixabay Photo Viewer is a modern Android application that allows users to browse and view images fetched from the Pixabay API. The app is built with a clean architecture, follows Material Design principles, and supports both light and dark modes.

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Features

• User Authentication: Login and registration with basic validation.
  • Login credentials:
    • Email: [email protected]
    • Password: password123
• Browse Images: Fetches images from the Pixabay API with pagination support.
• Image Details: Displays detailed information about the selected image.
• Dark Mode Support: The app UI adapts to the system's light or dark theme.
• Secure Storage: Credentials are securely stored using encrypted shared preferences.

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Technologies Used

Languages and Frameworks

• Kotlin
• Coroutines and Flow
• Jetpack Components: ViewModel, LiveData, Navigation Component, and Data Binding

Architectural Patterns

• Clean Architecture: Layers separated into presentation, domain, and data.
• MVVM (Model-View-ViewModel)

Third-Party Libraries

• Retrofit: For network requests
• OkHttp: For HTTP client
• Hilt: For dependency injection
• Glide: For image loading
• MockWebServer: For testing API responses
• Google Truth: For assertions in test cases
• Espresso: For UI testing
• Mockito: For mocking dependencies

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Installation

Prerequisites

• Android Studio (Latest version recommended)
• Minimum SDK: 21 (Android 5.0 Lollipop)
• Target SDK: 33 (Android 13)

Steps to Build

1. Clone the repository:

   git clone https://github.com/your-username/pixabay-photo-viewer.git
   cd pixabay-photo-viewer

2. Open the project in Android Studio.
3. Sync the Gradle files.
4. Replace the API key in BuildConfig with your Pixabay API key:

   const val API_KEY = "YOUR_API_KEY_HERE"

5. Run the app on an emulator or device.

How to Use

1. Login:
   • Use the provided credentials:
     • Email: [email protected]
     • Password: password123
2. Register:
   • Create a new user by providing an email, password, and age (18–99).
3. Browse Images:
   • Scroll through a list of images retrieved from the Pixabay API.
4. View Image Details:
   • Tap an image to view details like:
     • Image size, type, tags, uploader info, views, likes, comments, and more.
5. Logout:
   • Use the dropdown menu in the toolbar to log out.