70.7 Summary
Picture-in-Picture mode is a multitasking feature introduced with Android 8.0 designed specifically to allow video playback to continue in a small window while the user performs tasks in other apps and activities. Before PiP mode can be used, it must first be enabled within the manifest file for those activities that require PiP support.
PiP mode behavior is configured using instances of the PictureInPictureParams class and initiated via a call to the enterPictureInPictureMode() method from within the activity. When in PiP mode, only the video playback should be visible, requiring that any other user interface elements be hidden until full screen mode is selected. These and other mode transition related tasks can be performed by overriding the onPictureInPictureModeChanged() method.
PiP actions appear as icons overlaid onto the PiP window when it is tapped by the user. When selected, these actions trigger behavior within the activity. The activity is notified of...