This, and the fact that you're now allowed to use the app until the update is complete, suggests that this method will be used for critical updates like bug fixes and security hole plugs.
The feature was announced as part of Android's In-App Updates API, which Google said is now being tested and will launch to developers soon. The first is a full-screen experience, which blocks use of the app until the update downloads and installs. Google aims to support the new form factors in Android. The In-app Updates API is being tested with Android's early access partners, and will soon be distributed to all developers.More news: Filipino graphic novel series to become Netflix anime
The latter - which Google calls "flexible in-app update" - will be for new but not pressing features. The Android Developers blog says that the "update flow" can be customized to feel like part of the app (see GIF at the top of this article). Originally created to help Android users in certain countries that do not have a lot of storage on their mobile devices, the app was quickly adopted worldwide.
We've heard that you'd like more controls to ensure that users are running the latest and greatest version of your app. Another neat reveal coming out of the Android Dev Summit, however, is a feature that will allow users to continue using Android apps while they're being updated.More news: With poo on the podium, Bill Gates talks toilet technology
Android device makers, led by Samsung, are expected to start releasing foldable phones next year.
This month over 118,000 new projects using Kotlin started in Android Studio, marking a 10-fold increase on previous year, according to Google.More news: South Korean minister: United States says N. Korea canceled meeting