3… 2… 1… It’s time for a new challenge! Welcome to the second week of #AndroidDevChallenge! We were delighted to see the creative work submitted by many developers in last week’s challenge:

Some of them are from Chinese developers and we can’t wait to see what you create this week! This week’s challenge:

Week 2 Challenge – Countdown timer ⏲️

Create a working single-screen countdown timer. You must be available by 23:59 PST on March 9(March 10, 3:59 p.m. Beijing Time)beforeSubmit your entry 。

Your interface must be built entirely with Compose. To help you build your application, see the Compose documentation for state and animation. To get started, try the Compose Pathway, where Codelab covers a number of topics that can help tackle this challenge.

Your solution to each challenge must be implemented in a GitHub repo. We have a Github repo template for you that contains a basic Hello World built using Compose. Application and continuous integration Settings. Copy this template and follow the instructions in README.

Prize of the week: Compose Poster collection!

The prize for the second week is a piece of art that we will work with you to complete Compose! The first 500 entrants who successfully complete the challenge and submit an entry will receive a Jetpack Compose poster and a set of Android brushes for your own coloring and stress relief experience. You’ll also get a limited edition Jetpack Compose comic poster depicting the Jetpack team’s efforts to save the world from a “bad interface.”

Prize of Week 2: Jetpack Compose poster collection

Help improve Jetpack Compose

Community support is one of the core drivers of Jetpack Compose, and your feedback helps us build a better product:

  • Submit a question about Jetpack Compose on the official Issue Tracker page.
  • Sign up to participate in the Jetpack Compose study.

* For more information about participating in the Challenge, see the full official rules.