A simple two-classes DI container written in Kotlin but Java-friendly.
Built upon the handwave library, this library uses the front camera to detect when hand motions are detected as hitting a border for left, right, up, and down or a click overtop your phone's front facing camera. It works for modern devices, uses OpenCV, and the camera feed is translucent.
TimberLorry is a log collector without data loss (e.g. reboot, exit application). Library stores logs in the buffer (internal database by default), and periodically sends it to an endpoint. If no internet connection available, the periodical work will not be executed.