walmart-App.1.1.1.mov

Walmart Coding Assessment – Android (Kotlin)

This repository contains the implementation for the Walmart Software Engineer – Mobile (Android) coding assessment.

Assessment Task

Objective:
Build an Android application that fetches and displays a list of countries from a JSON API.

API Endpoint

https://gist.githubusercontent.com/peymano-wmt/32dcb892b06648910ddd40406e37fdab/raw/db25946fd77c5873b0303b858e861ce724e0dcd0/countries.json

Features

• Fetches country list from the remote JSON endpoint
• Displays countries in a scrollable RecyclerView
• Shows each country's:
  • Name
  • Region
  • Code
  • Capital
• Displays a loading indicator while fetching data
• Handles no internet connection and API failure gracefully with user-friendly error messages
• Preserves data on screen rotation (configuration changes)
• Follows MVVM architecture for separation of concerns and lifecycle-aware components