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README.md

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+# Android challenge
+
+## The task
+
+We would like you to build an app to search for flights.
+
+You are provided with a codebase containing a bit of code so that you can start working on the task faster. It
+includes some parts of the UI, basic network layer implementation with DTOs & DI setup. Feel free to modify any file
+you find in the repo – this is only there to help you out.
+
+Please develop an Android app with the following requirements:
+
+---
+
+### Search screen
+
+* User can search for flights with the following criteria:
+    * Origin & destination station
+    * Departure date
+    * Number of adults, teen & children
+* Destination can only be selected after picking origin
+* All fields need to be filled to make a search
+* Number of adults must be greater than 0
+
+### Station search screen
+
+* User can select a station from a list
+* Stations are grouped by country (country name to be shown before each group)
+* User can use search field to filter the airports list
+* Screen works with 2 configurations
+    * Origin selection – all stations are available for selection
+    * Destination selection – only stations to which we can travel from origin selection are available for selection 
+
+### Results screen
+
+* A list of results for the specified search criteria is shown  
+* Show only the crucial information about the trip
+* Make sure to handle network errors and empty results
+
+___
+
+**URLs:**
+
+* for `AirportService` and `RoutesService`: <https://services-api.ryanair.com/>
+* for `FlightService`: <https://nativeapps.ryanair.com/api/>
+
+*Tip: For test purposes try DUB (Dublin) – STN (London Stansted) route – it has flights every day.*  
+
+---
+
+### What we expect from you
+
+* Architecture for both domain and UI layer. Please avoid using framework libraries if possible.
+* Use `kotlinx.coroutines` library. Do not use Live Data.
+* Squeeze all the best from Kotlin!
+* UI part is not crucial, we would more appreciate better code than great design in this task.
+* Creativity - shine in areas you are best!
+* Understanding of your solution.
+
+### Questions for you
+
+Please submit the answers to the following questions in the README.md file
+* How long did you spend on the task?
+* Rate from 0-10, how would you assess the complexity of the task? _0 - very trivial_, _10 - extremely complex_
+* If you had more time (or if you were doing it in production) what would you have changed/improved?
+* Which parts of the code would you like to highlight?
+* In your opinion, which Google library was the best addition to the Android Dev world in the last years?
+
+> If you have the need to comment the provided task, we would love to hear that from you 🙂  
+> ...  
+> ...
+
+### Time frame
+
+You have __4 days__ to submit your solution. There is no need to spend more than 12 hours on the task as we don't seek perfection.
+Focus on the key areas of Android development
+---
+
+#### Please fork this repository. After finishing a task, create pull request to the parent repository ``main`` branch.
+
+You are allowed to use AI tools to assist with this programming task. However, you will be asked to explain your solutions in detail.
+
+---
+
+In case of any questions feel free to drop us an email at _AndroidDevelopers@ryanair.com_ any time.
+
+<img src="https://4.bp.blogspot.com/-NnAkV5vpYuw/XNMYF4RtLvI/AAAAAAAAI70/kdgLm3cnTO4FB4rUC0v9smscN3zHJPlLgCLcBGAs/s1600/Jetpack_logo%2B%25282%2529.png" height=150 width=150>
+
+Fly high!
+
+___
+
+### COPYRIGHTS
+
+Copyright licensed by &copy; Ryanair Labs