State of the KF5 Android CI

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I would have liked to say, “Yeah the Android CI runs!” – But we are not there yet; pretty close actually, and close enough that it already makes sense to tell about it, yet a few last Jenkins settings remain to be done and real life issues cause this to take a few more days. So, I will give a short primer on what we prepared in Randa.

After tonight’s run of the KApiDox generation at https://api.kde.org, all KF5 libraries whill correctly show if they support Android or not. The current count of supported frameworks is 16 and since last year some important ones like KI18n, KCoreAddons and Threadweaver were added to the list. For all of them I can say that the build is tested in my Android cross-building Docker image together with Qt 5.6 and the Android CMake toolchain from Extra-CMake-Modules.

Obviously, the currently most pressing issue is to get a proper CI system for KF5 on Android into place. The very  same Docker image, as names above, was extended to be utilized as container for our future Docker based CI system. During the Randa week the container was already integrated into build-sandbox.kde.org and just waits there for the last infrastructure bits to be correctly set. The next step following the build coverage will be the integration of automatic unit tests. For e.g. Linux systems this is a boring topic, since one can just run tools like CTest. On Android the story is slightly more complicated. Our goal is to run unit tests in a closest possible real life scenario. That means, we want unit test to be packaged as APK files, then installed and run in an Android emulator, and also need to get the results back. This means, we need some wrapper code around the generated CTest files that does all the packaging, installing, result downloads, etc. The main parts of these scripts were finished during Randa and as a proof of concept, for the first tested framework Attica’s unit tests already pass on my devel machine \o/ Once we have the build coverage in place, getting the unit tests checked on the CI will be the next step.

I hope that all of these existing bits will come together soon. However, with QtCon approaching in already two months and me giving a talk about KF5 on Android, it sounds there is a clear deadline for this integration to conclude 🙂

PS: the fundraiser campaign for Randa is still ongoing for 12 more days!

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