One of the main strengths of Android is undoubtedly represented by its diverse ecosystem of devices, with over 24,000 distinct devices and used by billions of people around the world.
Obviously, this huge amount of devices puts the Google developer team in front of many problems concerning the compatibility of the various versions of the operating system with the relative possible “recipients” on which they will be installed and among the solutions studied there is also the Compatibility Test Suite (CTS), a sort of collection of more than two million test cases that check the implementations of Android devices, so as to ensure that developer applications run on a variety of devices and enable a consistent experience for users.
In practice, device manufacturers run the Compatibility Test Suite on their devices throughout the development process and use it to identify and fix any bugs before launch.
The Google team launches the CTS-D suite for Android
Although most of the CTS tests are written by Android engineers, the Google team is aware that app developers have a unique perspective when it comes to device compatibility issues, and to improve the overall experience, they have decided to launch a new test suite called CTS-D ( Developer-powered CTS ), specially created by developers.
This is a new CTS module powered by app developers with a focus on the weaknesses they are experiencing in practical cases.
Essentially, developers through CTS-D can create and contribute test cases to help detect such issues, and the Google team aims to work closely with the Android developer community to expand the CTS-D suite, which is expected to become a tool for identifying and sharing problems more effectively.
Google is keen to point out that CTS-D is open source and available on AOSP, so any app developer can use it as a verification tool.
For more information on the CTS-D suite, we refer you to the tutorial.
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