O'Reilly logo

Mastering Android Studio 3 by Kyle Mew

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Instant Run

In earlier versions of Android Studio, each time a project was run on any kind of device, a full build had to be performed. Even if we made only tiny changes to our code, we would still have to wait for the entire app to be rebuilt and reinstalled. This could prove very time-consuming, especially on less powerful machines. This slowness often resulted in having to test several modifications at once, leading to a more complex debugging process than is ideal.

Instant Run attempts to build only those classes or activities that have been changed since the last build, and providing the manifest file has not been edited, the app is not even reinstalled, and in some cases, the launch activity is not even restarted.

As Instant Run is ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required