{% setvar book_path %}/reference/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

FragmentManager.OnBackStackChangedListener

{% setvar page_path %}androidx/fragment/app/FragmentManager.OnBackStackChangedListener.html{% endsetvar %} {% setvar can_switch %}1{% endsetvar %} {% include "reference/_java_switcher2.md" %}

interface FragmentManager.OnBackStackChangedListener


Interface to watch for changes to the back stack.

Summary

Public methods

abstract @NonNull void

Called whenever the contents of the back stack change.

Public methods

onBackStackChanged

@NonNull
public abstract void onBackStackChanged()

Called whenever the contents of the back stack change.