Android Studio 4.0



Posted by Adarsh Fernando, Product Manager

During these uncertain times, we’re humbled by the many developers around the world who are finding ways to keep doing what they do best—create amazing apps for Android. Whether you’re working from your kitchen table on a laptop or from a home office, you need tools that keep up with you. Android Studio 4.0 is the result of our drive to bring you new and improved tools for coding smarter, building faster, and designing the apps your users depend on, and it’s now available on the stable channel .

Some highlights of Android Studio 4.0 include a new Motion Editor to help bring your apps to life, a Build Analyzer to investigate causes for slower build times, and Java 8 language APIs you can use regardless of your app’s minimum API level. Based on your feedback, we’ve also overhauled the CPU Profiler user interface to provide a more intuitive workflow and easier side-by-side analysis of thread activity. And the improved Layout Inspector now provides live data of your app’s UI, so you can easily debug exactly what’s being shown on the device.

As always, this release wouldn’t be possible without the early feedback from our Preview users. So read on or watch below for further highlights and new features you can find in this stable version. If you’re ready to jump in and see for yourself, head over to the official website to download Android Studio 4.0 now .

Design

Motion Editor

The MotionLayout API extends the rich capabilities of ConstraintLayout to help Android developers manage complex motion and widget animation in their apps. In Android Studio 4.0, using this API is made easier with the new Motion Editor —a powerful interface for creating, editing, and previewing MotionLayout animations. You no longer have to create and modify complex XML files; the Motion Editor generates them for you, with support for editing constraint sets, transitions, keyframes, and view attributes. And if you do want to see the code the editor creates, it is one click away. And just as conveniently, for developers already using ConstraintLayout , the IDE can easily convert those to MotionLayout . Learn more

Create, edit, and preview animations in the Motion Editor

Upgraded Layout Inspector

Have you ever wanted to investigate where a value for a particular attribute came from? Or see a live 3D representation of nested views to more easily inspect your view hierarchy? With the new Layout Inspector, debugging your UI is much more intuitive by giving you access to data that stays updated with your running app and providing insights on how resources are being resolved.

Debug your app’s UI in real-time with Live Layout Inspector

Use the live Layout Inspector by selecting View > Tool Windows > Layout Inspector from the main menu. If you are deploying to a device running API 29 level or higher, you...

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