void onOffsetChanged (AppBarLayout appBarLayout,
int verticalOffset)
Called when the AppBarLayout's layout offset has been changed. This allows
child views to implement custom behavior based on the offset (for instance pinning a
view at a certain y value).
Parameters
appBarLayout
AppBarLayout: the AppBarLayout which offset has changed
verticalOffset
int: the vertical offset for the parent AppBarLayout, in px
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# AppBarLayout.OnOffsetChangedListener\n\nadded in [version 22.2.0](/topic/libraries/support-library/revisions) \nbelongs to Maven artifact com.android.support:design:27.1.0 \n\nAppBarLayout.OnOffsetChangedListener\n====================================\n\n| This package is part of the Android [support library](/topic/libraries/support-library) which is no longer maintained. The support library has been superseded by [AndroidX](/jetpack/androidx) which is part of [Jetpack](/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider [migrating](/jetpack/androidx/migrate) existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library [class\n| mappings](/jetpack/androidx/migrate/class-mappings).\n\n\n`\npublic\nstatic\n\n\ninterface\nAppBarLayout.OnOffsetChangedListener\n`\n\n\n`\n\n\n`\n\n|--------------------------------------------------------------------|\n| android.support.design.widget.AppBarLayout.OnOffsetChangedListener |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nInterface definition for a callback to be invoked when an [AppBarLayout](/reference/android/support/design/widget/AppBarLayout)'s vertical\noffset changes.\n\nSummary\n-------\n\n| ### Public methods ||\n|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` abstract void` | ` `[onOffsetChanged](/reference/android/support/design/widget/AppBarLayout.OnOffsetChangedListener#onOffsetChanged(android.support.design.widget.AppBarLayout, int))`(`[AppBarLayout](/reference/android/support/design/widget/AppBarLayout)` appBarLayout, int verticalOffset) ` Called when the [AppBarLayout](/reference/android/support/design/widget/AppBarLayout)'s layout offset has been changed. |\n\nPublic methods\n--------------\n\n### onOffsetChanged\n\nadded in [version 22.2.0](/topic/libraries/support-library/revisions) \n\n```\nvoid onOffsetChanged (AppBarLayout appBarLayout, \n int verticalOffset)\n```\n\nCalled when the [AppBarLayout](/reference/android/support/design/widget/AppBarLayout)'s layout offset has been changed. This allows\nchild views to implement custom behavior based on the offset (for instance pinning a\nview at a certain y value).\n\n\u003cbr /\u003e\n\n| Parameters ||\n|------------------|-------------------------------------------------------------------------------------------------------------------------------|\n| `appBarLayout` | `AppBarLayout`: the [AppBarLayout](/reference/android/support/design/widget/AppBarLayout) which offset has changed \u003cbr /\u003e |\n| `verticalOffset` | `int`: the vertical offset for the parent [AppBarLayout](/reference/android/support/design/widget/AppBarLayout), in px \u003cbr /\u003e |\n\n-\n\n Annotations\n -----------\n\n - [CoordinatorLayout.DefaultBehavior](/reference/android/support/design/widget/CoordinatorLayout.DefaultBehavior)\n-\n\n Interfaces\n ----------\n\n - [AppBarLayout.OnOffsetChangedListener](/reference/android/support/design/widget/AppBarLayout.OnOffsetChangedListener)\n - [BaseTransientBottomBar.ContentViewCallback](/reference/android/support/design/widget/BaseTransientBottomBar.ContentViewCallback)\n - [BottomNavigationView.OnNavigationItemReselectedListener](/reference/android/support/design/widget/BottomNavigationView.OnNavigationItemReselectedListener)\n - [BottomNavigationView.OnNavigationItemSelectedListener](/reference/android/support/design/widget/BottomNavigationView.OnNavigationItemSelectedListener)\n - [CoordinatorLayout.AttachedBehavior](/reference/android/support/design/widget/CoordinatorLayout.AttachedBehavior)\n - [NavigationView.OnNavigationItemSelectedListener](/reference/android/support/design/widget/NavigationView.OnNavigationItemSelectedListener)\n - [SwipeDismissBehavior.OnDismissListener](/reference/android/support/design/widget/SwipeDismissBehavior.OnDismissListener)\n - [TabLayout.OnTabSelectedListener](/reference/android/support/design/widget/TabLayout.OnTabSelectedListener)\n-\n\n Classes\n -------\n\n - [AppBarLayout](/reference/android/support/design/widget/AppBarLayout)\n - [AppBarLayout.Behavior](/reference/android/support/design/widget/AppBarLayout.Behavior)\n - [AppBarLayout.Behavior.DragCallback](/reference/android/support/design/widget/AppBarLayout.Behavior.DragCallback)\n - [AppBarLayout.Behavior.SavedState](/reference/android/support/design/widget/AppBarLayout.Behavior.SavedState)\n - [AppBarLayout.LayoutParams](/reference/android/support/design/widget/AppBarLayout.LayoutParams)\n - [AppBarLayout.ScrollingViewBehavior](/reference/android/support/design/widget/AppBarLayout.ScrollingViewBehavior)\n - [BaseTransientBottomBar](/reference/android/support/design/widget/BaseTransientBottomBar)\n - [BaseTransientBottomBar.BaseCallback](/reference/android/support/design/widget/BaseTransientBottomBar.BaseCallback)\n - [BottomNavigationView](/reference/android/support/design/widget/BottomNavigationView)\n - [BottomSheetBehavior](/reference/android/support/design/widget/BottomSheetBehavior)\n - [BottomSheetBehavior.BottomSheetCallback](/reference/android/support/design/widget/BottomSheetBehavior.BottomSheetCallback)\n - [BottomSheetBehavior.SavedState](/reference/android/support/design/widget/BottomSheetBehavior.SavedState)\n - [BottomSheetDialog](/reference/android/support/design/widget/BottomSheetDialog)\n - [BottomSheetDialogFragment](/reference/android/support/design/widget/BottomSheetDialogFragment)\n - [CollapsingToolbarLayout](/reference/android/support/design/widget/CollapsingToolbarLayout)\n - [CollapsingToolbarLayout.LayoutParams](/reference/android/support/design/widget/CollapsingToolbarLayout.LayoutParams)\n - [CoordinatorLayout](/reference/android/support/design/widget/CoordinatorLayout)\n - [CoordinatorLayout.Behavior](/reference/android/support/design/widget/CoordinatorLayout.Behavior)\n - [CoordinatorLayout.LayoutParams](/reference/android/support/design/widget/CoordinatorLayout.LayoutParams)\n - [CoordinatorLayout.SavedState](/reference/android/support/design/widget/CoordinatorLayout.SavedState)\n - [FloatingActionButton](/reference/android/support/design/widget/FloatingActionButton)\n - [FloatingActionButton.Behavior](/reference/android/support/design/widget/FloatingActionButton.Behavior)\n - [FloatingActionButton.OnVisibilityChangedListener](/reference/android/support/design/widget/FloatingActionButton.OnVisibilityChangedListener)\n - [NavigationView](/reference/android/support/design/widget/NavigationView)\n - [NavigationView.SavedState](/reference/android/support/design/widget/NavigationView.SavedState)\n - [Snackbar](/reference/android/support/design/widget/Snackbar)\n - [Snackbar.Callback](/reference/android/support/design/widget/Snackbar.Callback)\n - [SwipeDismissBehavior](/reference/android/support/design/widget/SwipeDismissBehavior)\n - [TabItem](/reference/android/support/design/widget/TabItem)\n - [TabLayout](/reference/android/support/design/widget/TabLayout)\n - [TabLayout.Tab](/reference/android/support/design/widget/TabLayout.Tab)\n - [TabLayout.TabLayoutOnPageChangeListener](/reference/android/support/design/widget/TabLayout.TabLayoutOnPageChangeListener)\n - [TabLayout.ViewPagerOnTabSelectedListener](/reference/android/support/design/widget/TabLayout.ViewPagerOnTabSelectedListener)\n - [TextInputEditText](/reference/android/support/design/widget/TextInputEditText)\n - [TextInputLayout](/reference/android/support/design/widget/TextInputLayout)"]]