3 things to know about Jetpack Compose from Android Dev Summit 2019

Posted by Anna-Chiara Bellini, @dr0nequeen

Last month’s #AndroidDevSummit was jam-packed with announcements and technical news…so much that we wouldn’t be surprised if you missed something. So all this month, we’ll be diving into key areas from throughout the summit so you don’t miss anything. Earlier today, we spotlighted Kotlin and now we’re diving into Jetpack Compose, with the top three things you should know:

#1: Jetpack Compose is available in Developer Preview!

Jetpack Compose is Android’s modern toolkit for building native UI. It allows developers to write beautiful Android apps in an intuitive way, writing less code and accelerating development. It’s powerful, because when writing code is a pleasure, you can focus on making your apps look beautiful and giving your users the best experience. At #AndroidDevSummit, we released the Developer Preview, to enable more feedback as we work towards bringing Jetpack Compose to beta next year. All you need to do is download the Android Studio 4.0 Canary build to try it out. To give feedback, feel free to reach out through the Kotlinlang Slack channel or our Bug Tracker to let us know what you think. It’s your chance to help us build the right thing!

#2: See what’s new in Jetpack Compose

At Android Dev Summit we showed how we’ve designed Compose to simplify development of Android apps, details on the new Material UI components we are building, and insights on some of the learnings that are informing the way we think about Compose. We also showcased how to write a small app, including layout and state management for a list of elements, in just a few lines of code.

Watch the Android Dev Summit session video to learn more:

Embed: what’s new in Jetpack Compose

If you want to take a look behind the scenes, we also had a tech deep dive into the inner workings of Compose:

Embed: Understanding Compose

#3: Try it out, with our tutorial, sample app, and codelab!

Jetpack Compose is still in Developer Preview, which means it’s a great time to try it out and let us know what you think about it. To help you with that, you can follow our tutorial, which will take you through the first steps of building a Compose app, and also take a look at our sample app, Jetnews, that shows what is currently possible with Jetpack Compose. We also have a popular codelab available to take you through how to build UIs with Compose, how to manage state in composable functions, and data flow principles in Compose.

Jetnews sample app

…and we also heard from you!

But Android Dev Summit isn’t just about what we’ve got to say; it’s also about you telling us what you’d like to see worked on to make your life easier. And this year, one thing we heard strongly from our community was how important it is to have the right tools to manage your layouts on so many different form factors and devices. Jetpack Compose has full Android Studio support and you can iterate fast with live Previews.

Android Dev Summit is over for this year, but you can keep giving us your feedback through the Kotlinlang Slack channel and Bug Tracker.

You can find the entire playlist of Android Dev Summit sessions and videos here. We’ll continue to spotlight other areas later this month, so keep an eye out and follow AndroidDevelopers on Twitter. Thanks so much for letting us be a part of this experience with you!

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