Just a Line features an Uncorked-authored Java library, RecordableSurfaceView, that streamlines video sharing in Android. Creative Lab chose to release the software as Open Source.
ARCore is implemented as a special case OpenGL stack — a well known method of rendering graphics to the screen. However, recording a video of a GL Android app, either as a user or as a developer, can be challenging, until now.
RecordableSurfaceView is intended to be a drop-in replacement for GLSurfaceView, but with the added benefit of it being able to record the frames to an mp4 for sharing. If you’re interested in learning more, or using RecordableSurfaceView in your app, read more at a tutorial in With Intent.