Added in API level 11
Deprecated in API level 28

OnBackStackChangedListener

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Kotlin |Java

interface OnBackStackChangedListener

android.app.FragmentManager.OnBackStackChangedListener

Known Direct Subclasses FragmentBreadCrumbs FragmentBreadCrumbs Helper class for showing "bread crumbs" representing the fragment stack in an activity.

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This interface was deprecated in API level 28.

Use the Support Library androidx.fragment.app.FragmentManager.OnBackStackChangedListener

Interface to watch for changes to the back stack.

Summary

Public methods
abstract Unit	onBackStackChanged() Called whenever the contents of the back stack change.

Public methods

onBackStackChanged

Added in API level 11

abstract fun onBackStackChanged(): Unit

Deprecated: Deprecated in Java.

Called whenever the contents of the back stack change.