Just a Line
Make simple drawings in AR, by Google
Just a Line launched on March 23, 2018 with 325 votes, #44 of 2,954 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Just a Line is an Android app from Google that enables users to create simple drawings in augmented reality and share them as short videos. Users draw by touching the screen, record their creation, and distribute it to others. The app also offers developers open-sourced code as a starter project for ARCore integration or for implementing RecordableSurfaceView to capture MP4 video in Android applications.
written from the facts on this page · September 2026
From the sources
Just a Line is an app that lets you make simple drawings in augmented reality, then share your creation with a short video. Touch the screen to draw, then hit record and share what you make. If you’re a developer, you can use the open-sourced code as a starter project for ARCore, or RecordableSurfaceView to grab mp4 video in any Android project.
Since 2009, coders have created thousands of amazing experiments using Chrome, Android, AI, WebVR, AR and more. We're showcasing projects here, along with helpful tools and resources, to inspire others to create new experiments.
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