Interface for widgets to implement default behavior for receiving content. Content may be both text and non-text (plain/styled text, HTML, images, videos, audio files, etc).
Widgets should implement this interface to define the default behavior for receiving content. Apps wishing to provide custom behavior for receiving content should set a listener via
ViewCompat#performReceiveContent for more info.
@Nullable abstract fun onReceiveContent(@NonNull payload: ContentInfoCompat): ContentInfoCompat?
Implements a view's default behavior for receiving content.
|The portion of the passed-in content that was not handled (may be all, some, or none of the passed-in content).