Chatwise Assignment

This project is an Android application that displays a list of products and their details. It uses Retrofit for network requests, Gson for JSON serialization/deserialization, and Coil for image loading.

Features

• Fetches a list of products from a remote API.
• Displays the list of products in a RecyclerView.
• Shows product details in a separate activity when a product is clicked.

Technologies Used

• Kotlin
• Retrofit
• Gson
• Coil
• AndroidX Libraries
• Coroutines

Project Structure

app/
├── src/
│   ├── main/
│   │   ├── java/com/samuelokello/chatwiseassignment/
│   │   │   ├── data/
│   │   │   │   └── remote/
│   │   │   │       └── ApiService.kt
│   │   │   ├── domain/
│   │   │   │   └── ProductRepository.kt
│   │   │   ├── ui/
│   │   │   │   ├── ProductAdapter.kt
│   │   │   │   ├── ProductDetailActivity.kt
│   │   │   │   └── ProductListActivity.kt
│   │   │   └── Product.kt
│   │   ├── res/
│   │   │   ├── layout/
│   │   │   │   ├── activity_product_detail.xml
│   │   │   │   ├── activity_product_list.xml
│   │   │   │   └── product_item.xml
│   │   │   └── values/
│   │   │       └── strings.xml
│   └── build.gradle
└── build.gradle

Getting Started

Prerequisites

• Android Studio
• Kotlin 1.5+
• Gradle 7.0+

Installation

1. Clone the repository:

   git clone https://github.com/OkelloSam21/chatwise-assignment.git

2. Open the project in Android Studio.
3. Sync the project with Gradle files.

Running the App

1. Connect an Android device or start an emulator.
2. Click on the "Run" button in Android Studio.

Code Overview

ApiService

Defines the API endpoints using Retrofit.

interface ApiService {
    @GET("products")
    suspend fun getProducts(): ProductResponse
}

ProductRepository

Handles data operations and provides a clean API for data access to the rest of the application.

class ProductRepository {
    private val apiService: ApiService = // initialize Retrofit service

    suspend fun getProducts(): List<Product> {
        return apiService.getProducts().products
    }
}

ProductListActivity

Displays a list of products using a RecyclerView.

class ProductListActivity : AppCompatActivity() {
    // Implementation details
}

ProductDetailActivity

Displays the details of a selected product.

class ProductDetailActivity : AppCompatActivity() {
    // Implementation details
}

ProductAdapter

Adapter for the RecyclerView in ProductListActivity.

class ProductAdapter(
    private var products: List<Product>,
    private val onItemClick: (Product) -> Unit
) : RecyclerView.Adapter<ProductAdapter.ProductViewHolder>() {
    // Implementation details
}

Screenshots

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