Recently I recognized Android's behavior:
- start video playback in one application (in my case it's Netflix Android app)
- go to Youtube Android app - Netflix video preview goes into PIP mode and playback is rolling
- in Youtube app start a video - then Netflix PIP playback stops
How is that possible and what api is used to inform the other app to stop it's playback? Does it happen independently from the Netflix/ Youtube app on the level of Android OS itself? Is it described somewhere?