Skip to content


Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

Latest commit


Git stats


Failed to load latest commit information.

Android Dev Summit 2022 Speed Challenge

Note: This repository was used for the ADS and is not being maintained. As of Oct 2022 it works on Dolphin..Flamingo and uses AGP 7.3.0.

Instructions for contestants

  1. Clone repository

  2. Start coding! Check the local tests in test/. Do not modify the tests!

  3. Run tests locally Make all tests in app/test/java pass.

  4. Do not send PRs to the repo!

Instructions for hosts

  1. Create a couple of slides explaining the goal of the challenge and showing a screenshot of the app.
  2. Show the first hint on screen and drop a new one every ~5 minutes.
  3. Make sure contestants don't modify the tests instead of the code under test!


Test order

  1. LocationScreenTest
  2. LocationViewModelTest
  3. UiLayerTest
  4. LocationConfigChangeTest


  • Fix hardcoded title in TopAppBar
  • Swap IDs in left/right icons


  • Catch error in LocationViewModel's Flow (don't forget to emit it)


  • LocationScreenForecast: iterate on forecast.forecastWeek and create multiple rows in a column.


  • expandedDays should be saveable (look for indexSaver!)


Now in Android is distributed under the terms of the Apache License (Version 2.0). See the license for more information.