add
open fun addOnFormElementEditingModeChangeListener(@NonNull listener: FormManager.OnFormElementEditingModeChangeListener)
Adds a OnFormElementEditingModeChangeListener to get notified when form element editing mode gets updated. If the listener has already been added previously, this method will be a no-op. Adding null is not allowed, and will result in an exception.
Parameters
listener
OnFormElementEditingModeChangeListener that should be notified. Must be non-null.