Kotlin Weather App

• Search weather by city name
• Display temperature, humidity, and conditions
• Show a loading indicator while fetching
• Display an error message if the city is not found

Follow these steps in order. Each one builds on the previous.

1. Step 1

   Create an Android project and add Retrofit and Gson dependencies

2. Step 2

   Sign up for a free OpenWeatherMap API key

3. Step 3

   Define a data class matching the API JSON response

4. Step 4

   Build a Retrofit interface with a suspend GET function

5. Step 5

   Launch a coroutine in the button click listener to fetch data

6. Step 6

   Show a ProgressBar while the request is in flight

7. Step 7

   Update the UI with the result or display an error message

• Retrofit docs
• Kotlin Coroutines guide
• OpenWeatherMap API