Package icyllis.modernui.fragment

# Interface FragmentManager.OnBackStackChangedListener

Enclosing class:
  `FragmentManager`

Functional Interface:
  This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface FragmentManager.OnBackStackChangedListener
Interface to watch for changes to the back stack.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `onBackStackChanged()`
  Called whenever the contents of the back stack change.

- ## Method Details

  - ### onBackStackChanged

    @UiThread void onBackStackChanged()
    Called whenever the contents of the back stack change.