add
open fun addOnContentEditingBarLifecycleListener(@NonNull listener: ContentEditingStylingBar.OnContentEditingBarLifecycleListener)
Adds an OnContentEditingBarLifecycleListener for listening to the content editing bar lifecycle. If the listener has already been added previously, this method will be a no-op. Passing null is not allowed and will result in an exception.
Parameters
listener
OnContentEditingBarLifecycleListener that should be notified. Must be non-null.