# Class Index # Class Index | The Android[support library](https://developer.android.com/topic/libraries/support-library)is no longer maintained. It has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. These are the API classes. See all[API packages](https://developer.android.com/reference/android/support/packages). [A](https://developer.android.com/reference/android/support/classes#letter_A)[B](https://developer.android.com/reference/android/support/classes#letter_B)[C](https://developer.android.com/reference/android/support/classes#letter_C)[D](https://developer.android.com/reference/android/support/classes#letter_D)[E](https://developer.android.com/reference/android/support/classes#letter_E)[F](https://developer.android.com/reference/android/support/classes#letter_F)[G](https://developer.android.com/reference/android/support/classes#letter_G)[H](https://developer.android.com/reference/android/support/classes#letter_H)[I](https://developer.android.com/reference/android/support/classes#letter_I)[J](https://developer.android.com/reference/android/support/classes#letter_J)[K](https://developer.android.com/reference/android/support/classes#letter_K)[L](https://developer.android.com/reference/android/support/classes#letter_L)[M](https://developer.android.com/reference/android/support/classes#letter_M)[N](https://developer.android.com/reference/android/support/classes#letter_N)[O](https://developer.android.com/reference/android/support/classes#letter_O)[P](https://developer.android.com/reference/android/support/classes#letter_P)[Q](https://developer.android.com/reference/android/support/classes#letter_Q)[R](https://developer.android.com/reference/android/support/classes#letter_R)[S](https://developer.android.com/reference/android/support/classes#letter_S)[T](https://developer.android.com/reference/android/support/classes#letter_T)[U](https://developer.android.com/reference/android/support/classes#letter_U)[V](https://developer.android.com/reference/android/support/classes#letter_V)[W](https://developer.android.com/reference/android/support/classes#letter_W)[X](https://developer.android.com/reference/android/support/classes#letter_X) ## A |----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [AbsSavedState](https://developer.android.com/reference/android/support/v4/view/AbsSavedState) | A[Parcelable](https://developer.android.com/reference/android/os/Parcelable.html)implementation that should be used by inheritance hierarchies to ensure the state of all classes along the chain is saved. | | [AbstractDetailsDescriptionPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractDetailsDescriptionPresenter) | An abstract[Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)for rendering a detailed description of an item. | | [AbstractDetailsDescriptionPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractDetailsDescriptionPresenter.ViewHolder) | The ViewHolder for the[AbstractDetailsDescriptionPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractDetailsDescriptionPresenter). | | [AbstractMediaItemPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter) | Abstract[Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)class for rendering media items in a playlist format. | | [AbstractMediaItemPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter.ViewHolder) | The ViewHolder for the[AbstractMediaItemPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter). | | [AbstractMediaListHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaListHeaderPresenter) | Abstract presenter class for rendering the header for a list of media items in a playlist. | | [AbstractMediaListHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaListHeaderPresenter.ViewHolder) | The ViewHolder for the[AbstractMediaListHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaListHeaderPresenter). | | [AccessibilityDelegateCompat](https://developer.android.com/reference/android/support/v4/view/AccessibilityDelegateCompat) | Helper for accessing[View.AccessibilityDelegate](https://developer.android.com/reference/android/view/View.AccessibilityDelegate.html). | | [AccessibilityEventCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityEventCompat) | Helper for accessing features in[AccessibilityEvent](https://developer.android.com/reference/android/view/accessibility/AccessibilityEvent.html). | | [AccessibilityManagerCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityManagerCompat) | Helper for accessing features in[AccessibilityManager](https://developer.android.com/reference/android/view/accessibility/AccessibilityManager.html). | | [AccessibilityManagerCompat.AccessibilityStateChangeListener](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityManagerCompat.AccessibilityStateChangeListener) | *This interface was deprecated in API level 26.1.0. Use[AccessibilityManager.AccessibilityStateChangeListener](https://developer.android.com/reference/android/view/accessibility/AccessibilityManager.AccessibilityStateChangeListener.html)directly instead of this listener.* | | [AccessibilityManagerCompat.AccessibilityStateChangeListenerCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityManagerCompat.AccessibilityStateChangeListenerCompat) | *This class was deprecated in API level 25.1.0. Use[AccessibilityManager.AccessibilityStateChangeListener](https://developer.android.com/reference/android/view/accessibility/AccessibilityManager.AccessibilityStateChangeListener.html)directly instead of this listener.* | | [AccessibilityManagerCompat.TouchExplorationStateChangeListener](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityManagerCompat.TouchExplorationStateChangeListener) | Listener for the system touch exploration state. | | [AccessibilityNodeInfoCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeInfoCompat) | Helper for accessing[AccessibilityNodeInfo](https://developer.android.com/reference/android/view/accessibility/AccessibilityNodeInfo.html)in a backwards compatible fashion. | | [AccessibilityNodeInfoCompat.AccessibilityActionCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeInfoCompat.AccessibilityActionCompat) | | | [AccessibilityNodeInfoCompat.CollectionInfoCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeInfoCompat.CollectionInfoCompat) | Class with information if a node is a collection. | | [AccessibilityNodeInfoCompat.CollectionItemInfoCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeInfoCompat.CollectionItemInfoCompat) | Class with information if a node is a collection item. | | [AccessibilityNodeInfoCompat.RangeInfoCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeInfoCompat.RangeInfoCompat) | Class with information if a node is a range. | | [AccessibilityNodeProviderCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityNodeProviderCompat) | Helper for accessing[AccessibilityNodeProvider](https://developer.android.com/reference/android/view/accessibility/AccessibilityNodeProvider.html). | | [AccessibilityRecordCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityRecordCompat) | Helper for accessing[AccessibilityRecord](https://developer.android.com/reference/android/view/accessibility/AccessibilityRecord.html). | | [AccessibilityServiceInfoCompat](https://developer.android.com/reference/android/support/v4/accessibilityservice/AccessibilityServiceInfoCompat) | Helper for accessing features in[AccessibilityServiceInfo](https://developer.android.com/reference/android/accessibilityservice/AccessibilityServiceInfo.html). | | [AccessibilityWindowInfoCompat](https://developer.android.com/reference/android/support/v4/view/accessibility/AccessibilityWindowInfoCompat) | Helper for accessing[AccessibilityWindowInfo](https://developer.android.com/reference/android/view/accessibility/AccessibilityWindowInfo.html). | | [Action](https://developer.android.com/reference/android/support/v17/leanback/widget/Action) | An action contains one or two lines of text, an optional image and an optional id. | | [ActionBar](https://developer.android.com/reference/android/support/v7/app/ActionBar) | A primary toolbar within the activity that may display the activity title, application-level navigation affordances, and other interactive items. | | [ActionBar.LayoutParams](https://developer.android.com/reference/android/support/v7/app/ActionBar.LayoutParams) | Per-child layout information associated with action bar custom views. | | [ActionBar.OnMenuVisibilityListener](https://developer.android.com/reference/android/support/v7/app/ActionBar.OnMenuVisibilityListener) | Listener for receiving events when action bar menus are shown or hidden. | | [ActionBar.OnNavigationListener](https://developer.android.com/reference/android/support/v7/app/ActionBar.OnNavigationListener) | *This interface was deprecated in API level 24.1.0. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other[common navigation patterns](http://developer.android.com/design/patterns/navigation.html)instead.* | | [ActionBar.Tab](https://developer.android.com/reference/android/support/v7/app/ActionBar.Tab) | *This class was deprecated in API level 24.1.0. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other[common navigation patterns](http://developer.android.com/design/patterns/navigation.html)instead.* | | [ActionBar.TabListener](https://developer.android.com/reference/android/support/v7/app/ActionBar.TabListener) | *This interface was deprecated in API level 24.1.0. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other[common navigation patterns](http://developer.android.com/design/patterns/navigation.html)instead.* | | [ActionBarDrawerToggle](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle) | This class provides a handy way to tie together the functionality of[DrawerLayout](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout)and the framework`ActionBar`to implement the recommended design for navigation drawers. | | [ActionBarDrawerToggle](https://developer.android.com/reference/android/support/v7/app/ActionBarDrawerToggle) | This class provides a handy way to tie together the functionality of[DrawerLayout](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout)and the framework`ActionBar`to implement the recommended design for navigation drawers. | | [ActionBarDrawerToggle.Delegate](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle.Delegate) | *This interface was deprecated in API level 25.4.0. Use ActionBarDrawerToggle.DelegateProvider in support-v7-appcompat.* | | [ActionBarDrawerToggle.Delegate](https://developer.android.com/reference/android/support/v7/app/ActionBarDrawerToggle.Delegate) | | | [ActionBarDrawerToggle.DelegateProvider](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle.DelegateProvider) | *This interface was deprecated in API level 25.4.0. Use ActionBarDrawerToggle.DelegateProvider in support-v7-appcompat.* | | [ActionBarDrawerToggle.DelegateProvider](https://developer.android.com/reference/android/support/v7/app/ActionBarDrawerToggle.DelegateProvider) | Allows an implementing Activity to return an[ActionBarDrawerToggle.Delegate](https://developer.android.com/reference/android/support/v7/app/ActionBarDrawerToggle.Delegate)to use with ActionBarDrawerToggle. | | [ActionMenuView](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView) | ActionMenuView is a presentation of a series of menu options as a View. | | [ActionMenuView.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView.LayoutParams) | | | [ActionMenuView.OnMenuItemClickListener](https://developer.android.com/reference/android/support/v7/widget/ActionMenuView.OnMenuItemClickListener) | Interface responsible for receiving menu item click events if the items themselves do not have individual item click listeners. | | [ActionMode](https://developer.android.com/reference/android/support/v7/view/ActionMode) | Represents a contextual mode of the user interface. | | [ActionMode.Callback](https://developer.android.com/reference/android/support/v7/view/ActionMode.Callback) | Callback interface for action modes. | | [ActionProvider](https://developer.android.com/reference/android/support/v4/view/ActionProvider) | This class is a mediator for accomplishing a given task, for example sharing a file. | | [ActionProvider.VisibilityListener](https://developer.android.com/reference/android/support/v4/view/ActionProvider.VisibilityListener) | Listens to changes in visibility as reported by[refreshVisibility()](https://developer.android.com/reference/android/support/v4/view/ActionProvider#refreshVisibility()). | | [ActivityCompat](https://developer.android.com/reference/android/support/v13/app/ActivityCompat) | *This class was deprecated in API level 27.1.0. Use[android.support.v4.app.ActivityCompat](https://developer.android.com/reference/android/support/v4/app/ActivityCompat).* | | [ActivityCompat](https://developer.android.com/reference/android/support/v4/app/ActivityCompat) | Helper for accessing features in[Activity](https://developer.android.com/reference/android/app/Activity.html). | | [ActivityCompat.OnRequestPermissionsResultCallback](https://developer.android.com/reference/android/support/v4/app/ActivityCompat.OnRequestPermissionsResultCallback) | This interface is the contract for receiving the results for permission requests. | | [ActivityCompat.PermissionCompatDelegate](https://developer.android.com/reference/android/support/v4/app/ActivityCompat.PermissionCompatDelegate) | Customizable delegate that allows delegating permission compatibility methods to a custom implementation. | | [ActivityInfoCompat](https://developer.android.com/reference/android/support/v4/content/pm/ActivityInfoCompat) | *This class was deprecated in API level 27.1.0. Use[ActivityInfo](https://developer.android.com/reference/android/content/pm/ActivityInfo.html)directly.* | | [ActivityManagerCompat](https://developer.android.com/reference/android/support/v4/app/ActivityManagerCompat) | Helper for accessing features in[ActivityManager](https://developer.android.com/reference/android/app/ActivityManager.html)in a backwards compatible fashion. | | [ActivityOptionsCompat](https://developer.android.com/reference/android/support/v4/app/ActivityOptionsCompat) | Helper for accessing features in[ActivityOptions](https://developer.android.com/reference/android/app/ActivityOptions.html)in a backwards compatible fashion. | | [AdapterListUpdateCallback](https://developer.android.com/reference/android/support/v7/util/AdapterListUpdateCallback) | ListUpdateCallback that dispatches update events to the given adapter. | | [AlarmManagerCompat](https://developer.android.com/reference/android/support/v4/app/AlarmManagerCompat) | Compatibility library for[AlarmManager](https://developer.android.com/reference/android/app/AlarmManager.html)with fallbacks for older platforms. | | [AlertDialog](https://developer.android.com/reference/android/support/v7/app/AlertDialog) | A subclass of Dialog that can display one, two or three buttons. | | [AlertDialog.Builder](https://developer.android.com/reference/android/support/v7/app/AlertDialog.Builder) | | | [AmbientMode](https://developer.android.com/reference/android/support/wear/ambient/AmbientMode) | *This class was deprecated in API level 27.1.0. please use[AmbientModeSupport](https://developer.android.com/reference/android/support/wear/ambient/AmbientModeSupport)instead.* | | [AmbientMode.AmbientCallback](https://developer.android.com/reference/android/support/wear/ambient/AmbientMode.AmbientCallback) | Callback to receive ambient mode state changes. | | [AmbientMode.AmbientCallbackProvider](https://developer.android.com/reference/android/support/wear/ambient/AmbientMode.AmbientCallbackProvider) | Interface for any[Activity](https://developer.android.com/reference/android/app/Activity.html)that wishes to implement Ambient Mode. | | [AmbientMode.AmbientController](https://developer.android.com/reference/android/support/wear/ambient/AmbientMode.AmbientController) | A class for interacting with the ambient mode on a wearable device. | | [AmbientModeSupport](https://developer.android.com/reference/android/support/wear/ambient/AmbientModeSupport) | Use this as a headless Fragment to add ambient support to an Activity on Wearable devices. | | [AmbientModeSupport.AmbientCallback](https://developer.android.com/reference/android/support/wear/ambient/AmbientModeSupport.AmbientCallback) | Callback to receive ambient mode state changes. | | [AmbientModeSupport.AmbientCallbackProvider](https://developer.android.com/reference/android/support/wear/ambient/AmbientModeSupport.AmbientCallbackProvider) | Interface for any[Activity](https://developer.android.com/reference/android/app/Activity.html)that wishes to implement Ambient Mode. | | [AmbientModeSupport.AmbientController](https://developer.android.com/reference/android/support/wear/ambient/AmbientModeSupport.AmbientController) | A class for interacting with the ambient mode on a wearable device. | | [Animatable2Compat](https://developer.android.com/reference/android/support/graphics/drawable/Animatable2Compat) | Interface that drawables supporting animations and callbacks should extend in support lib. | | [Animatable2Compat.AnimationCallback](https://developer.android.com/reference/android/support/graphics/drawable/Animatable2Compat.AnimationCallback) | Abstract class for animation callback. | | [AnimatedVectorDrawableCompat](https://developer.android.com/reference/android/support/graphics/drawable/AnimatedVectorDrawableCompat) | For API 24 and above, this class is delegating to the framework's[AnimatedVectorDrawable](https://developer.android.com/reference/android/graphics/drawable/AnimatedVectorDrawable.html). | | [AnimatorRes](https://developer.android.com/reference/android/support/annotation/AnimatorRes) | Denotes that an integer parameter, field or method return value is expected to be an animator resource reference (e.g. | | [AnimRes](https://developer.android.com/reference/android/support/annotation/AnimRes) | Denotes that an integer parameter, field or method return value is expected to be an anim resource reference (e.g. | | [AnyRes](https://developer.android.com/reference/android/support/annotation/AnyRes) | Denotes that an integer parameter, field or method return value is expected to be a resource reference of any type. | | [AnyThread](https://developer.android.com/reference/android/support/annotation/AnyThread) | Denotes that the annotated method can be called from any thread (e.g. | | [AppCompatActivity](https://developer.android.com/reference/android/support/v7/app/AppCompatActivity) | Base class for activities that use the[support library](https://developer.android.com/tools/extras/support-library)action bar features. | | [AppCompatAutoCompleteTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatAutoCompleteTextView) | A[AutoCompleteTextView](https://developer.android.com/reference/android/widget/AutoCompleteTextView.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatButton) | A[Button](https://developer.android.com/reference/android/widget/Button.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatCallback](https://developer.android.com/reference/android/support/v7/app/AppCompatCallback) | Implemented this in order for AppCompat to be able to callback in certain situations. | | [AppCompatCheckBox](https://developer.android.com/reference/android/support/v7/widget/AppCompatCheckBox) | A[CheckBox](https://developer.android.com/reference/android/widget/CheckBox.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[CompoundButtonCompat](https://developer.android.com/reference/android/support/v4/widget/CompoundButtonCompat). | | [AppCompatCheckedTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatCheckedTextView) | A[CheckedTextView](https://developer.android.com/reference/android/widget/CheckedTextView.html)which supports compatible features on older versions of the platform. | | [AppCompatDelegate](https://developer.android.com/reference/android/support/v7/app/AppCompatDelegate) | This class represents a delegate which you can use to extend AppCompat's support to any[Activity](https://developer.android.com/reference/android/app/Activity.html). | | [AppCompatDialog](https://developer.android.com/reference/android/support/v7/app/AppCompatDialog) | Base class for AppCompat themed[Dialog](https://developer.android.com/reference/android/app/Dialog.html)s. | | [AppCompatDialogFragment](https://developer.android.com/reference/android/support/v7/app/AppCompatDialogFragment) | A special version of[DialogFragment](https://developer.android.com/reference/android/support/v4/app/DialogFragment)which uses an[AppCompatDialog](https://developer.android.com/reference/android/support/v7/app/AppCompatDialog)in place of a platform-styled dialog. | | [AppCompatEditText](https://developer.android.com/reference/android/support/v7/widget/AppCompatEditText) | A[EditText](https://developer.android.com/reference/android/widget/EditText.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatImageButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatImageButton) | A[ImageButton](https://developer.android.com/reference/android/widget/ImageButton.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatImageView](https://developer.android.com/reference/android/support/v7/widget/AppCompatImageView) | A[ImageView](https://developer.android.com/reference/android/widget/ImageView.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatMultiAutoCompleteTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatMultiAutoCompleteTextView) | A[MultiAutoCompleteTextView](https://developer.android.com/reference/android/widget/MultiAutoCompleteTextView.html)which supports compatible features on older version of the platform, including: - Supports[textAllCaps](https://developer.android.com/reference/android/support/v7/appcompat/R.attr#textAllCaps)style attribute which works back to[Gingerbread](https://developer.android.com/reference/android/os/Build.VERSION_CODES.html#GINGERBREAD). | | [AppCompatRadioButton](https://developer.android.com/reference/android/support/v7/widget/AppCompatRadioButton) | A[RadioButton](https://developer.android.com/reference/android/widget/RadioButton.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[CompoundButtonCompat](https://developer.android.com/reference/android/support/v4/widget/CompoundButtonCompat). | | [AppCompatRatingBar](https://developer.android.com/reference/android/support/v7/widget/AppCompatRatingBar) | A[RatingBar](https://developer.android.com/reference/android/widget/RatingBar.html)which supports compatible features on older versions of the platform. | | [AppCompatResources](https://developer.android.com/reference/android/support/v7/content/res/AppCompatResources) | Class for accessing an application's resources through AppCompat, and thus any backward compatible functionality. | | [AppCompatSeekBar](https://developer.android.com/reference/android/support/v7/widget/AppCompatSeekBar) | A[SeekBar](https://developer.android.com/reference/android/widget/SeekBar.html)which supports compatible features on older versions of the platform. | | [AppCompatSpinner](https://developer.android.com/reference/android/support/v7/widget/AppCompatSpinner) | A[Spinner](https://developer.android.com/reference/android/widget/Spinner.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[CompoundButtonCompat](https://developer.android.com/reference/android/support/v4/widget/CompoundButtonCompat). | | [AppCompatTextView](https://developer.android.com/reference/android/support/v7/widget/AppCompatTextView) | A[TextView](https://developer.android.com/reference/android/widget/TextView.html)which supports compatible features on older versions of the platform, including: - Allows dynamic tint of its background via the background tint methods in[ViewCompat](https://developer.android.com/reference/android/support/v4/view/ViewCompat). | | [AppCompatViewInflater](https://developer.android.com/reference/android/support/v7/app/AppCompatViewInflater) | This class is responsible for manually inflating our tinted widgets. | | [AppLaunchChecker](https://developer.android.com/reference/android/support/v4/app/AppLaunchChecker) | This class provides APIs for determining how an app has been launched. | | [AppOpsManagerCompat](https://developer.android.com/reference/android/support/v4/app/AppOpsManagerCompat) | Helper for accessing features in[AppOpsManager](https://developer.android.com/reference/android/app/AppOpsManager.html). | | [ArcMotion](https://developer.android.com/reference/android/support/transition/ArcMotion) | A PathMotion that generates a curved path along an arc on an imaginary circle containing the two points. | | [ArrayMap](https://developer.android.com/reference/android/support/v4/util/ArrayMap)\ | ArrayMap is a generic key-\>value mapping data structure that is designed to be more memory efficient than a traditional[HashMap](https://developer.android.com/reference/java/util/HashMap), this implementation is a version of the platform's`android.util.ArrayMap`that can be used on older versions of the platform. | | [ArrayObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ArrayObjectAdapter) | An[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)implemented with an[ArrayList](https://developer.android.com/reference/java/util/ArrayList). | | [ArrayRes](https://developer.android.com/reference/android/support/annotation/ArrayRes) | Denotes that an integer parameter, field or method return value is expected to be an array resource reference (e.g. | | [ArraySet](https://developer.android.com/reference/android/support/v4/util/ArraySet)\ | ArraySet is a generic set data structure that is designed to be more memory efficient than a traditional[HashSet](https://developer.android.com/reference/java/util/HashSet). | | [AsyncDifferConfig](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/AsyncDifferConfig)\ | Configuration object for[ListAdapter](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/ListAdapter),[AsyncListDiffer](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/AsyncListDiffer), and similar background-thread list diffing adapter logic. | | [AsyncDifferConfig.Builder](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/AsyncDifferConfig.Builder)\ | Builder class for[AsyncDifferConfig](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/AsyncDifferConfig). | | [AsyncLayoutInflater](https://developer.android.com/reference/android/support/v4/view/AsyncLayoutInflater) | Helper class for inflating layouts asynchronously. | | [AsyncLayoutInflater.OnInflateFinishedListener](https://developer.android.com/reference/android/support/v4/view/AsyncLayoutInflater.OnInflateFinishedListener) | | | [AsyncListDiffer](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/AsyncListDiffer)\ | Helper for computing the difference between two lists via[DiffUtil](https://developer.android.com/reference/android/support/v7/util/DiffUtil)on a background thread. | | [AsyncListUtil](https://developer.android.com/reference/android/support/v7/util/AsyncListUtil)\ | A utility class that supports asynchronous content loading. | | [AsyncListUtil.DataCallback](https://developer.android.com/reference/android/support/v7/util/AsyncListUtil.DataCallback)\ | The callback that provides data access for[AsyncListUtil](https://developer.android.com/reference/android/support/v7/util/AsyncListUtil). | | [AsyncListUtil.ViewCallback](https://developer.android.com/reference/android/support/v7/util/AsyncListUtil.ViewCallback) | The callback that links[AsyncListUtil](https://developer.android.com/reference/android/support/v7/util/AsyncListUtil)with the list view. | | [AsyncTaskLoader](https://developer.android.com/reference/android/support/v4/content/AsyncTaskLoader)\ | Static library support version of the framework's[AsyncTaskLoader](https://developer.android.com/reference/android/content/AsyncTaskLoader.html). | | [AtomicFile](https://developer.android.com/reference/android/support/v4/util/AtomicFile) | Static library support version of the framework's[AtomicFile](https://developer.android.com/reference/android/util/AtomicFile.html), a helper class for performing atomic operations on a file by creating a backup file until a write has successfully completed. | | [AttrRes](https://developer.android.com/reference/android/support/annotation/AttrRes) | Denotes that an integer parameter, field or method return value is expected to be an attribute reference (e.g. | | [AudioAttributesCompat](https://developer.android.com/reference/android/support/v4/media/AudioAttributesCompat) | A class to encapsulate a collection of attributes describing information about an audio stream. | | [AudioAttributesCompat.Builder](https://developer.android.com/reference/android/support/v4/media/AudioAttributesCompat.Builder) | Builder class for[AudioAttributesCompat](https://developer.android.com/reference/android/support/v4/media/AudioAttributesCompat)objects. | | [AutoScrollHelper](https://developer.android.com/reference/android/support/v4/widget/AutoScrollHelper) | AutoScrollHelper is a utility class for adding automatic edge-triggered scrolling to Views. | | [AutoTransition](https://developer.android.com/reference/android/support/transition/AutoTransition) | Utility class for creating a default transition that automatically fades, moves, and resizes views during a scene change. | ## B |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [BackgroundManager](https://developer.android.com/reference/android/support/v17/leanback/app/BackgroundManager) | Supports background image continuity between multiple Activities. | | [BandPredicate](https://developer.android.com/reference/androidx/recyclerview/selection/BandPredicate) | Provides a means of controlling when and where band selection can be initiated. | | [BandPredicate.EmptyArea](https://developer.android.com/reference/androidx/recyclerview/selection/BandPredicate.EmptyArea) | A BandPredicate that allows initiation of band selection only in areas of RecyclerView that map to[NO_POSITION](https://developer.android.com/reference/android/support/v7/widget/RecyclerView#NO_POSITION). | | [BandPredicate.NonDraggableArea](https://developer.android.com/reference/androidx/recyclerview/selection/BandPredicate.NonDraggableArea) | A BandPredicate that allows initiation of band selection in any area that is not draggable as determined by consulting[inDragRegion(MotionEvent)](https://developer.android.com/reference/androidx/recyclerview/selection/ItemDetailsLookup.ItemDetails#inDragRegion(android.view.MotionEvent)). | | [BaseCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseCardView) | A card style layout that responds to certain state changes. | | [BaseCardView.LayoutParams](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseCardView.LayoutParams) | Per-child layout information associated with BaseCardView. | | [BaseFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BaseFragment) | *This class was deprecated in API level 27.1.0. use[BaseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BaseSupportFragment)* | | [BaseGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView) | An abstract base class for vertically and horizontally scrolling lists. | | [BaseGridView.OnKeyInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnKeyInterceptListener) | Listener for intercepting key dispatch events. | | [BaseGridView.OnMotionInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnMotionInterceptListener) | Listener for intercepting generic motion dispatch events. | | [BaseGridView.OnTouchInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnTouchInterceptListener) | Listener for intercepting touch dispatch events. | | [BaseGridView.OnUnhandledKeyListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnUnhandledKeyListener) | | | [BaseLeanbackPreferenceFragment](https://developer.android.com/reference/android/support/v17/preference/BaseLeanbackPreferenceFragment) | This fragment provides a preference fragment with leanback-style behavior, suitable for embedding into broader UI elements. | | [BaseOnItemViewClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseOnItemViewClickedListener)\ | Interface for receiving notification when an item view holder is clicked. | | [BaseOnItemViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseOnItemViewSelectedListener)\ | Interface for receiving notification when a row or item becomes selected. | | [BaseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BaseSupportFragment) | Base class for leanback Fragments. | | [BatchingListUpdateCallback](https://developer.android.com/reference/android/support/v7/util/BatchingListUpdateCallback) | Wraps a[ListUpdateCallback](https://developer.android.com/reference/android/support/v7/util/ListUpdateCallback)callback and batches operations that can be merged. | | [BidiFormatter](https://developer.android.com/reference/android/support/v4/text/BidiFormatter) | Utility class for formatting text for display in a potentially opposite-directionality context without garbling. | | [BidiFormatter.Builder](https://developer.android.com/reference/android/support/v4/text/BidiFormatter.Builder) | A class for building a BidiFormatter with non-default options. | | [BinderThread](https://developer.android.com/reference/android/support/annotation/BinderThread) | Denotes that the annotated method should only be called on the binder thread. | | [BitmapCompat](https://developer.android.com/reference/android/support/v4/graphics/BitmapCompat) | Helper for accessing features in[Bitmap](https://developer.android.com/reference/android/graphics/Bitmap.html). | | [BoolRes](https://developer.android.com/reference/android/support/annotation/BoolRes) | Denotes that an integer parameter, field or method return value is expected to be a boolean resource reference. | | [BoundsRule](https://developer.android.com/reference/android/support/v17/leanback/graphics/BoundsRule) | This class contains the rules for updating the bounds of a[CompositeDrawable.ChildDrawable](https://developer.android.com/reference/android/support/v17/leanback/graphics/CompositeDrawable.ChildDrawable). | | [BoundsRule.ValueRule](https://developer.android.com/reference/android/support/v17/leanback/graphics/BoundsRule.ValueRule) | This class represents individual rules for updating the bounds. | | [BoxInsetLayout](https://developer.android.com/reference/android/support/wear/widget/BoxInsetLayout) | BoxInsetLayout is a screen shape-aware ViewGroup that can box its children in the center square of a round screen by using the`boxedEdges`attribute. | | [BoxInsetLayout.LayoutParams](https://developer.android.com/reference/android/support/wear/widget/BoxInsetLayout.LayoutParams) | Per-child layout information for layouts that support margins, gravity and boxedEdges. | | [BrandedFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrandedFragment) | *This class was deprecated in API level 27.1.0. use[BrandedSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrandedSupportFragment)* | | [BrandedSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrandedSupportFragment) | Fragment class for managing search and branding using a view that implements[TitleViewAdapter.Provider](https://developer.android.com/reference/android/support/v17/leanback/widget/TitleViewAdapter.Provider). | | [BrowseFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment) | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.BrowseTransitionListener](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.BrowseTransitionListener) | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.FragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.FragmentFactory)\ | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.FragmentHost](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.FragmentHost) | *This interface was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.ListRowFragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.ListRowFragmentFactory) | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapter)\ | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.MainFragmentAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapterProvider) | *This interface was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.MainFragmentAdapterRegistry](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapterRegistry) | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentRowsAdapter)\ | *This class was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFragment.MainFragmentRowsAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentRowsAdapterProvider) | *This interface was deprecated in API level 27.1.0. use[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)* | | [BrowseFrameLayout](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout) | A ViewGroup for managing focus behavior between overlapping views. | | [BrowseFrameLayout.OnChildFocusListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout.OnChildFocusListener) | Interface for managing child focus in a BrowseFrameLayout. | | [BrowseFrameLayout.OnFocusSearchListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout.OnFocusSearchListener) | Interface for selecting a focused view in a BrowseFrameLayout when the system focus finder couldn't find a view to focus. | | [BrowserActionItem](https://developer.android.com/reference/androidx/browser/browseractions/BrowserActionItem) | A wrapper class holding custom item of Browser Actions menu. | | [BrowserActionsIntent](https://developer.android.com/reference/androidx/browser/browseractions/BrowserActionsIntent) | Class holding the[Intent](https://developer.android.com/reference/android/content/Intent.html)and start bundle for a Browser Actions Activity. | | [BrowserActionsIntent.Builder](https://developer.android.com/reference/androidx/browser/browseractions/BrowserActionsIntent.Builder) | Builder class for opening a Browser Actions context menu. | | [BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment) | A fragment for creating Leanback browse screens. | | [BrowseSupportFragment.BrowseTransitionListener](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.BrowseTransitionListener) | Listener for transitions between browse headers and rows. | | [BrowseSupportFragment.FragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.FragmentFactory)\ | Factory class responsible for creating fragment given the current item. | | [BrowseSupportFragment.FragmentHost](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.FragmentHost) | Possible set of actions that[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)exposes to clients. | | [BrowseSupportFragment.ListRowFragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.ListRowFragmentFactory) | FragmentFactory implementation for[ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow). | | [BrowseSupportFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapter)\ | Interface that defines the interaction between[BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment)and its main content fragment. | | [BrowseSupportFragment.MainFragmentAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapterProvider) | Interface to be implemented by all fragments for providing an instance of[BrowseSupportFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapter). | | [BrowseSupportFragment.MainFragmentAdapterRegistry](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapterRegistry) | Registry class maintaining the mapping of[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)subclasses to[BrowseSupportFragment.FragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.FragmentFactory). | | [BrowseSupportFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentRowsAdapter)\ | This is used to pass information to[RowsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/RowsSupportFragment)or its subclasses. | | [BrowseSupportFragment.MainFragmentRowsAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentRowsAdapterProvider) | Interface to be implemented by[RowsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/RowsSupportFragment)and its subclasses for providing an instance of[BrowseSupportFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentRowsAdapter). | | [BuildCompat](https://developer.android.com/reference/android/support/v4/os/BuildCompat) | This class contains additional platform version checking methods for targeting pre-release versions of Android. | | [BundleCompat](https://developer.android.com/reference/android/support/v4/app/BundleCompat) | Helper for accessing features in[Bundle](https://developer.android.com/reference/android/os/Bundle.html). | | [BundledEmojiCompatConfig](https://developer.android.com/reference/android/support/text/emoji/bundled/BundledEmojiCompatConfig) | [EmojiCompat.Config](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.Config)implementation that loads the metadata using AssetManager and bundled resources. | ## C |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [CallSuper](https://developer.android.com/reference/android/support/annotation/CallSuper) | Denotes that any overriding methods should invoke this method as well. | | [CancellationSignal](https://developer.android.com/reference/android/support/v4/os/CancellationSignal) | Static library support version of the framework's[CancellationSignal](https://developer.android.com/reference/android/os/CancellationSignal.html). | | [CancellationSignal.OnCancelListener](https://developer.android.com/reference/android/support/v4/os/CancellationSignal.OnCancelListener) | Listens for cancellation. | | [CardView](https://developer.android.com/reference/android/support/v7/widget/CardView) | A FrameLayout with a rounded corner background and shadow. | | [ChangeBounds](https://developer.android.com/reference/android/support/transition/ChangeBounds) | This transition captures the layout bounds of target views before and after the scene change and animates those changes during the transition. | | [ChangeClipBounds](https://developer.android.com/reference/android/support/transition/ChangeClipBounds) | ChangeClipBounds captures the[getClipBounds()](https://developer.android.com/reference/android/view/View.html#getClipBounds())before and after the scene change and animates those changes during the transition. | | [ChangeImageTransform](https://developer.android.com/reference/android/support/transition/ChangeImageTransform) | This Transition captures an ImageView's matrix before and after the scene change and animates it during the transition. | | [ChangeScroll](https://developer.android.com/reference/android/support/transition/ChangeScroll) | This transition captures the scroll properties of targets before and after the scene change and animates any changes. | | [ChangeTransform](https://developer.android.com/reference/android/support/transition/ChangeTransform) | This Transition captures scale and rotation for Views before and after the scene change and animates those changes during the transition. | | [Channel](https://developer.android.com/reference/android/support/media/tv/Channel) | A convenience class to access[TvContractCompat.Channels](https://developer.android.com/reference/android/support/media/tv/TvContractCompat.Channels)entries in the system content provider. | | [Channel.Builder](https://developer.android.com/reference/android/support/media/tv/Channel.Builder) | The builder class that makes it easy to chain setters to create a[Channel](https://developer.android.com/reference/android/support/media/tv/Channel)object. | | [ChannelLogoUtils](https://developer.android.com/reference/android/support/media/tv/ChannelLogoUtils) | A utility class for conveniently storing and loading channel logos. | | [CheckBoxPreference](https://developer.android.com/reference/android/support/v7/preference/CheckBoxPreference) | A[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)that provides checkbox widget functionality. | | [CheckResult](https://developer.android.com/reference/android/support/annotation/CheckResult) | Denotes that the annotated method returns a result that it typically is an error to ignore. | | [CircularArray](https://developer.android.com/reference/android/support/v4/util/CircularArray)\ | CircularArray is a generic circular array data structure that provides O(1) random read, O(1) prepend and O(1) append. | | [CircularIntArray](https://developer.android.com/reference/android/support/v4/util/CircularIntArray) | CircularIntArray is a circular integer array data structure that provides O(1) random read, O(1) prepend and O(1) append. | | [CircularProgressDrawable](https://developer.android.com/reference/android/support/v4/widget/CircularProgressDrawable) | Drawable that renders the animated indeterminate progress indicator in the Material design style without depending on API level 11. | | [CircularProgressLayout](https://developer.android.com/reference/android/support/wear/widget/CircularProgressLayout) | [CircularProgressLayout](https://developer.android.com/reference/android/support/wear/widget/CircularProgressLayout)adds a circular countdown timer behind the view it contains, typically used to automatically confirm an operation after a short delay has elapsed. | | [CircularProgressLayout.OnTimerFinishedListener](https://developer.android.com/reference/android/support/wear/widget/CircularProgressLayout.OnTimerFinishedListener) | Interface to implement for listening to[onTimerFinished(CircularProgressLayout)](https://developer.android.com/reference/android/support/wear/widget/CircularProgressLayout.OnTimerFinishedListener#onTimerFinished(android.support.wear.widget.CircularProgressLayout))event. | | [CircularPropagation](https://developer.android.com/reference/android/support/transition/CircularPropagation) | A propagation that varies with the distance to the epicenter of the Transition or center of the scene if no epicenter exists. | | [ClassPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/ClassPresenterSelector) | A ClassPresenterSelector selects a[Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)based on the item's Java class. | | [CollapsibleActionView](https://developer.android.com/reference/android/support/v7/view/CollapsibleActionView) | When a[View](https://developer.android.com/reference/android/view/View.html)implements this interface it will receive callbacks when expanded or collapsed as an action view alongside the optional, app-specified callbacks to[MenuItemCompat.OnActionExpandListener](https://developer.android.com/reference/android/support/v4/view/MenuItemCompat.OnActionExpandListener). | | [ColorFilterCache](https://developer.android.com/reference/android/support/v17/leanback/graphics/ColorFilterCache) | Cache of[ColorFilter](https://developer.android.com/reference/android/graphics/ColorFilter.html)s for a given color at different alpha levels. | | [ColorFilterDimmer](https://developer.android.com/reference/android/support/v17/leanback/graphics/ColorFilterDimmer) | Helper class for applying a dim level to a View. | | [ColorInt](https://developer.android.com/reference/android/support/annotation/ColorInt) | Denotes that the annotated element represents a packed color int,`AARRGGBB`. | | [ColorLong](https://developer.android.com/reference/android/support/annotation/ColorLong) | Denotes that the annotated element represents a packed color long. | | [ColorOverlayDimmer](https://developer.android.com/reference/android/support/v17/leanback/graphics/ColorOverlayDimmer) | Helper class for assigning a dim color to Paint. | | [ColorRes](https://developer.android.com/reference/android/support/annotation/ColorRes) | Denotes that an integer parameter, field or method return value is expected to be a color resource reference (e.g. | | [ColorUtils](https://developer.android.com/reference/android/support/v4/graphics/ColorUtils) | A set of color-related utility methods, building upon those available in`Color`. | | [CompositeDrawable](https://developer.android.com/reference/android/support/v17/leanback/graphics/CompositeDrawable) | Generic drawable class that can be composed of multiple children. | | [CompositeDrawable.ChildDrawable](https://developer.android.com/reference/android/support/v17/leanback/graphics/CompositeDrawable.ChildDrawable) | Wrapper class holding a drawable object and[BoundsRule](https://developer.android.com/reference/android/support/v17/leanback/graphics/BoundsRule)to update drawable bounds when parent bound changes. | | [CompoundButtonCompat](https://developer.android.com/reference/android/support/v4/widget/CompoundButtonCompat) | Helper for accessing[CompoundButton](https://developer.android.com/reference/android/widget/CompoundButton.html). | | [ConfigurationCompat](https://developer.android.com/reference/android/support/v4/os/ConfigurationCompat) | Helper class which allows access to properties of[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)in a backward compatible fashion. | | [ConfigurationHelper](https://developer.android.com/reference/android/support/v4/content/res/ConfigurationHelper) | Helper class which allows access to properties of[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)in a backward compatible fashion. | | [ConnectivityManagerCompat](https://developer.android.com/reference/android/support/v4/net/ConnectivityManagerCompat) | Helper for accessing features in[ConnectivityManager](https://developer.android.com/reference/android/net/ConnectivityManager.html). | | [ContentLoadingProgressBar](https://developer.android.com/reference/android/support/v4/widget/ContentLoadingProgressBar) | ContentLoadingProgressBar implements a ProgressBar that waits a minimum time to be dismissed before showing. | | [ContentPager](https://developer.android.com/reference/android/support/content/ContentPager) | [ContentPager](https://developer.android.com/reference/android/support/content/ContentPager)provides support for loading "paged" data on a background thread using the[ContentResolver](https://developer.android.com/reference/android/content/ContentResolver.html)framework. | | [ContentPager.ContentCallback](https://developer.android.com/reference/android/support/content/ContentPager.ContentCallback) | Callback by which a client receives results of a query. | | [ContentPager.CursorDisposition](https://developer.android.com/reference/android/support/content/ContentPager.CursorDisposition) | | | [ContentPager.QueryRunner](https://developer.android.com/reference/android/support/content/ContentPager.QueryRunner) | Implementations of this interface provide the mechanism for execution of queries off the UI thread. | | [ContentPager.QueryRunner.Callback](https://developer.android.com/reference/android/support/content/ContentPager.QueryRunner.Callback) | Callback that receives a cursor once a query as been executed on the Runner. | | [ContentRecommendation](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation) | The ContentRecommendation object encapsulates all application provided data for a single content recommendation item. | | [ContentRecommendation.Builder](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.Builder) | Builder class for[ContentRecommendation](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation)objects. | | [ContentRecommendation.ContentMaturity](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.ContentMaturity) | | | [ContentRecommendation.ContentPricing](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.ContentPricing) | | | [ContentRecommendation.ContentStatus](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.ContentStatus) | | | [ContentRecommendation.ContentType](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.ContentType) | | | [ContentRecommendation.IntentData](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.IntentData) | Object used to encapsulate the data to be used to build the[PendingIntent](https://developer.android.com/reference/android/app/PendingIntent.html)object associated with a given content recommendation, at the time this recommendation gets posted to the home Screen. | | [ContentRecommendation.IntentType](https://developer.android.com/reference/android/support/app/recommendation/ContentRecommendation.IntentType) | | | [ContentResolverCompat](https://developer.android.com/reference/android/support/v4/content/ContentResolverCompat) | Helper for accessing features in[ContentResolver](https://developer.android.com/reference/android/content/ContentResolver.html)in a backwards compatible fashion. | | [ContextCompat](https://developer.android.com/reference/android/support/v4/content/ContextCompat) | Helper for accessing features in[Context](https://developer.android.com/reference/android/content/Context.html). | | [ContextThemeWrapper](https://developer.android.com/reference/android/support/v7/view/ContextThemeWrapper) | A context wrapper that allows you to modify or replace the theme of the wrapped context. | | [ControlButtonPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/ControlButtonPresenterSelector) | Displays primary and secondary controls for a[PlaybackControlsRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow). | | [CoordinatorLayout](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout) | CoordinatorLayout is a super-powered[FrameLayout](https://developer.android.com/reference/android/widget/FrameLayout.html). | | [CoordinatorLayout.AttachedBehavior](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.AttachedBehavior) | Defines the default attached[CoordinatorLayout.Behavior](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.Behavior)of a[View](https://developer.android.com/reference/android/view/View.html)class When writing a custom view, implement this interface to return the default behavior when used as a direct child of an[CoordinatorLayout](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout). | | [CoordinatorLayout.Behavior](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.Behavior)\ | Interaction behavior plugin for child views of[CoordinatorLayout](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout). | | [CoordinatorLayout.DefaultBehavior](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.DefaultBehavior) | *This @interface was deprecated in API level 27.1.0. Use[CoordinatorLayout.AttachedBehavior](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.AttachedBehavior)instead* | | [CoordinatorLayout.LayoutParams](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.LayoutParams) | Parameters describing the desired layout for a child of a[CoordinatorLayout](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout). | | [CoordinatorLayout.SavedState](https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.SavedState) | | | [CursorAdapter](https://developer.android.com/reference/android/support/v4/widget/CursorAdapter) | Static library support version of the framework's[CursorAdapter](https://developer.android.com/reference/android/widget/CursorAdapter.html). | | [CursorLoader](https://developer.android.com/reference/android/support/v4/content/CursorLoader) | Static library support version of the framework's[CursorLoader](https://developer.android.com/reference/android/content/CursorLoader.html). | | [CursorMapper](https://developer.android.com/reference/android/support/v17/leanback/database/CursorMapper) | Abstract class used to convert the current[Cursor](https://developer.android.com/reference/android/database/Cursor.html)row to a single object. | | [CursorObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/CursorObjectAdapter) | An[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)implemented with a[Cursor](https://developer.android.com/reference/android/database/Cursor.html). | | [CurvingLayoutCallback](https://developer.android.com/reference/android/support/wear/widget/CurvingLayoutCallback) | An implementation of the[WearableLinearLayoutManager.LayoutCallback](https://developer.android.com/reference/android/support/wear/widget/WearableLinearLayoutManager.LayoutCallback)aligning the children of the associated[WearableRecyclerView](https://developer.android.com/reference/android/support/wear/widget/WearableRecyclerView)along a pre-defined vertical curve. | | [CustomTabsCallback](https://developer.android.com/reference/android/support/customtabs/CustomTabsCallback) | A callback class for custom tabs client to get messages regarding events in their custom tabs. | | [CustomTabsClient](https://developer.android.com/reference/android/support/customtabs/CustomTabsClient) | Class to communicate with a[CustomTabsService](https://developer.android.com/reference/android/support/customtabs/CustomTabsService)and create[CustomTabsSession](https://developer.android.com/reference/android/support/customtabs/CustomTabsSession)from it. | | [CustomTabsIntent](https://developer.android.com/reference/android/support/customtabs/CustomTabsIntent) | Class holding the[Intent](https://developer.android.com/reference/android/content/Intent.html)and start bundle for a Custom Tabs Activity. | | [CustomTabsIntent.Builder](https://developer.android.com/reference/android/support/customtabs/CustomTabsIntent.Builder) | Builder class for[CustomTabsIntent](https://developer.android.com/reference/android/support/customtabs/CustomTabsIntent)objects. | | [CustomTabsService](https://developer.android.com/reference/android/support/customtabs/CustomTabsService) | Abstract service class for implementing Custom Tabs related functionality. | | [CustomTabsService.Relation](https://developer.android.com/reference/android/support/customtabs/CustomTabsService.Relation) | | | [CustomTabsService.Result](https://developer.android.com/reference/android/support/customtabs/CustomTabsService.Result) | | | [CustomTabsServiceConnection](https://developer.android.com/reference/android/support/customtabs/CustomTabsServiceConnection) | Abstract[ServiceConnection](https://developer.android.com/reference/android/content/ServiceConnection.html)to use while binding to a[CustomTabsService](https://developer.android.com/reference/android/support/customtabs/CustomTabsService). | | [CustomTabsSession](https://developer.android.com/reference/android/support/customtabs/CustomTabsSession) | A class to be used for Custom Tabs related communication. | | [CustomTabsSessionToken](https://developer.android.com/reference/android/support/customtabs/CustomTabsSessionToken) | Wrapper class that can be used as a unique identifier for a session. | ## D |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [DatabaseUtilsCompat](https://developer.android.com/reference/android/support/v4/database/DatabaseUtilsCompat) | *This class was deprecated in API level 27.1.0. Use[DatabaseUtils](https://developer.android.com/reference/android/database/DatabaseUtils.html)directly.* | | [DefaultItemAnimator](https://developer.android.com/reference/android/support/v7/widget/DefaultItemAnimator) | This implementation of[RecyclerView.ItemAnimator](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemAnimator)provides basic animations on remove, add, and move events that happen to the items in a RecyclerView. | | [DetailsFragment](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsFragment) | *This class was deprecated in API level 27.1.0. use[DetailsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragment)* | | [DetailsFragmentBackgroundController](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsFragmentBackgroundController) | *This class was deprecated in API level 27.1.0. use[DetailsSupportFragmentBackgroundController](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragmentBackgroundController)* | | [DetailsOverviewLogoPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewLogoPresenter) | Presenter that responsible to create a ImageView and bind to DetailsOverviewRow. | | [DetailsOverviewLogoPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewLogoPresenter.ViewHolder) | ViewHolder for Logo view of DetailsOverviewRow. | | [DetailsOverviewRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow) | An overview[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)for a details fragment. | | [DetailsOverviewRow.Listener](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow.Listener) | Listener for changes of DetailsOverviewRow. | | [DetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRowPresenter) | *This class was deprecated in API level 24.1.0. Use[FullWidthDetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter)* | | [DetailsOverviewRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRowPresenter.ViewHolder) | A ViewHolder for the DetailsOverviewRow. | | [DetailsParallax](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsParallax) | Subclass of Parallax object that tracks overview row's top and bottom edge in DetailsFragment or DetailsSupportFragment. | | [DetailsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragment) | A fragment for creating Leanback details screens. | | [DetailsSupportFragmentBackgroundController](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragmentBackgroundController) | Controller for DetailsSupportFragment parallax background and embedded video play. | | [DialogFragment](https://developer.android.com/reference/android/support/v4/app/DialogFragment) | Static library support version of the framework's[DialogFragment](https://developer.android.com/reference/android/app/DialogFragment.html). | | [DialogPreference](https://developer.android.com/reference/android/support/v7/preference/DialogPreference) | A base class for[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)objects that are dialog-based. | | [DialogPreference.TargetFragment](https://developer.android.com/reference/android/support/v7/preference/DialogPreference.TargetFragment) | | | [DiffCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/DiffCallback)\ | Callback that informs[ArrayObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ArrayObjectAdapter)how to compute list updates when using[DiffUtil](https://developer.android.com/reference/android/support/v7/util/DiffUtil)in[setItems(List, DiffCallback)](https://developer.android.com/reference/android/support/v17/leanback/widget/ArrayObjectAdapter#setItems(java.util.List, android.support.v17.leanback.widget.DiffCallback))method. | | [DiffUtil](https://developer.android.com/reference/android/support/v7/util/DiffUtil) | DiffUtil is a utility class that can calculate the difference between two lists and output a list of update operations that converts the first list into the second one. | | [DiffUtil.Callback](https://developer.android.com/reference/android/support/v7/util/DiffUtil.Callback) | A Callback class used by DiffUtil while calculating the diff between two lists. | | [DiffUtil.DiffResult](https://developer.android.com/reference/android/support/v7/util/DiffUtil.DiffResult) | This class holds the information about the result of a[calculateDiff(Callback, boolean)](https://developer.android.com/reference/android/support/v7/util/DiffUtil#calculateDiff(android.support.v7.util.DiffUtil.Callback, boolean))call. | | [DiffUtil.ItemCallback](https://developer.android.com/reference/android/support/v7/util/DiffUtil.ItemCallback)\ | Callback for calculating the diff between two non-null items in a list. | | [DimenRes](https://developer.android.com/reference/android/support/annotation/DimenRes) | Denotes that an integer parameter, field or method return value is expected to be a dimension resource reference (e.g. | | [Dimension](https://developer.android.com/reference/android/support/annotation/Dimension) | Denotes that an integer parameter, field or method return value is expected to represent a dimension. | | [DisplayManagerCompat](https://developer.android.com/reference/android/support/v4/hardware/display/DisplayManagerCompat) | Helper for accessing features in[DisplayManager](https://developer.android.com/reference/android/hardware/display/DisplayManager.html). | | [DividerItemDecoration](https://developer.android.com/reference/android/support/v7/widget/DividerItemDecoration) | DividerItemDecoration is a[RecyclerView.ItemDecoration](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ItemDecoration)that can be used as a divider between items of a[LinearLayoutManager](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutManager). | | [DividerPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerPresenter) | DividerPresenter provides a default presentation for[DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow)in HeadersFragment. | | [DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow) | Used to represent divider in HeadersFragment. | | [DocumentFile](https://developer.android.com/reference/android/support/v4/provider/DocumentFile) | Representation of a document backed by either a[DocumentsProvider](https://developer.android.com/reference/android/provider/DocumentsProvider.html)or a raw file on disk. | | [DragAndDropPermissionsCompat](https://developer.android.com/reference/android/support/v13/view/DragAndDropPermissionsCompat) | Helper for accessing features in[DragAndDropPermissions](https://developer.android.com/reference/android/view/DragAndDropPermissions.html)a backwards compatible fashion. | | [DragStartHelper](https://developer.android.com/reference/android/support/v13/view/DragStartHelper) | DragStartHelper is a utility class for implementing drag and drop support. | | [DragStartHelper.OnDragStartListener](https://developer.android.com/reference/android/support/v13/view/DragStartHelper.OnDragStartListener) | Interface definition for a callback to be invoked when a drag start gesture is detected. | | [DrawableCompat](https://developer.android.com/reference/android/support/v4/graphics/drawable/DrawableCompat) | Helper for accessing features in[Drawable](https://developer.android.com/reference/android/graphics/drawable/Drawable.html). | | [DrawableRes](https://developer.android.com/reference/android/support/annotation/DrawableRes) | Denotes that an integer parameter, field or method return value is expected to be a drawable resource reference (e.g. | | [DrawerArrowDrawable](https://developer.android.com/reference/android/support/v7/graphics/drawable/DrawerArrowDrawable) | A drawable that can draw a "Drawer hamburger" menu or an arrow and animate between them. | | [DrawerLayout](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout) | DrawerLayout acts as a top-level container for window content that allows for interactive "drawer" views to be pulled out from one or both vertical edges of the window. | | [DrawerLayout.DrawerListener](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout.DrawerListener) | Listener for monitoring events about drawers. | | [DrawerLayout.LayoutParams](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout.LayoutParams) | | | [DrawerLayout.SavedState](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout.SavedState) | State persisted across instances | | [DrawerLayout.SimpleDrawerListener](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout.SimpleDrawerListener) | Stub/no-op implementations of all methods of[DrawerLayout.DrawerListener](https://developer.android.com/reference/android/support/v4/widget/DrawerLayout.DrawerListener). | | [DropDownPreference](https://developer.android.com/reference/android/support/v7/preference/DropDownPreference) | A version of[ListPreference](https://developer.android.com/reference/android/support/v7/preference/ListPreference)that presents the options in a drop down menu rather than a dialog. | | [DynamicAnimation](https://developer.android.com/reference/android/support/animation/DynamicAnimation)\\> | This class is the base class of physics-based animations. | | [DynamicAnimation.OnAnimationEndListener](https://developer.android.com/reference/android/support/animation/DynamicAnimation.OnAnimationEndListener) | An animation listener that receives end notifications from an animation. | | [DynamicAnimation.OnAnimationUpdateListener](https://developer.android.com/reference/android/support/animation/DynamicAnimation.OnAnimationUpdateListener) | Implementors of this interface can add themselves as update listeners to an`DynamicAnimation`instance to receive callbacks on every animation frame, after the current frame's values have been calculated for that`DynamicAnimation`. | | [DynamicAnimation.ViewProperty](https://developer.android.com/reference/android/support/animation/DynamicAnimation.ViewProperty) | ViewProperty holds the access of a property of a[View](https://developer.android.com/reference/android/view/View.html). | ## E |--------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [EdgeEffectCompat](https://developer.android.com/reference/android/support/v4/widget/EdgeEffectCompat) | Helper for accessing[EdgeEffect](https://developer.android.com/reference/android/widget/EdgeEffect.html). | | [EditorInfoCompat](https://developer.android.com/reference/android/support/v13/view/inputmethod/EditorInfoCompat) | Helper for accessing features in[EditorInfo](https://developer.android.com/reference/android/view/inputmethod/EditorInfo.html)in a backwards compatible fashion. | | [EditTextPreference](https://developer.android.com/reference/android/support/v7/preference/EditTextPreference) | A[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)that allows for string input. | | [EditTextPreferenceDialogFragment](https://developer.android.com/reference/android/support/v14/preference/EditTextPreferenceDialogFragment) | | | [EditTextPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/EditTextPreferenceDialogFragmentCompat) | | | [EmojiAppCompatButton](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiAppCompatButton) | AppCompatButton widget enhanced with emoji capability by using[EmojiTextViewHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextViewHelper). | | [EmojiAppCompatEditText](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiAppCompatEditText) | AppCompatEditText widget enhanced with emoji capability by using[EmojiEditTextHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiEditTextHelper). | | [EmojiAppCompatTextView](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiAppCompatTextView) | AppCompatTextView widget enhanced with emoji capability by using[EmojiTextViewHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextViewHelper). | | [EmojiButton](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiButton) | Button widget enhanced with emoji capability by using[EmojiTextViewHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextViewHelper). | | [EmojiCompat](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat) | Main class to keep Android devices up to date with the newest emojis by adding[EmojiSpan](https://developer.android.com/reference/android/support/text/emoji/EmojiSpan)s to a given[CharSequence](https://developer.android.com/reference/java/lang/CharSequence). | | [EmojiCompat.Config](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.Config) | Configuration class for EmojiCompat. | | [EmojiCompat.InitCallback](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.InitCallback) | Listener class for the initialization of the EmojiCompat. | | [EmojiCompat.MetadataRepoLoader](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.MetadataRepoLoader) | Interface to load emoji metadata. | | [EmojiCompat.MetadataRepoLoaderCallback](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.MetadataRepoLoaderCallback) | Callback to inform EmojiCompat about the state of the metadata load. | | [EmojiEditText](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiEditText) | EditText widget enhanced with emoji capability by using[EmojiEditTextHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiEditTextHelper). | | [EmojiEditTextHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiEditTextHelper) | Utility class to enhance custom EditText widgets with[EmojiCompat](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat). | | [EmojiExtractTextLayout](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiExtractTextLayout) | Layout that contains emoji compatibility enhanced ExtractEditText. | | [EmojiSpan](https://developer.android.com/reference/android/support/text/emoji/EmojiSpan) | Base span class for the emoji replacement. | | [EmojiTextView](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextView) | TextView widget enhanced with emoji capability by using[EmojiTextViewHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextViewHelper). | | [EmojiTextViewHelper](https://developer.android.com/reference/android/support/text/emoji/widget/EmojiTextViewHelper) | Utility class to enhance custom TextView widgets with[EmojiCompat](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat). | | [EnvironmentCompat](https://developer.android.com/reference/android/support/v4/os/EnvironmentCompat) | Helper for accessing features in[Environment](https://developer.android.com/reference/android/os/Environment.html). | | [ErrorFragment](https://developer.android.com/reference/android/support/v17/leanback/app/ErrorFragment) | *This class was deprecated in API level 27.1.0. use[ErrorSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/ErrorSupportFragment)* | | [ErrorSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/ErrorSupportFragment) | A fragment for displaying an error indication. | | [EventInfo](https://developer.android.com/reference/androidx/slice/widget/EventInfo) | Represents information associated with a logged event on[SliceView](https://developer.android.com/reference/androidx/slice/widget/SliceView). | | [ExifInterface](https://developer.android.com/reference/android/support/media/ExifInterface) | This is a class for reading and writing Exif tags in a JPEG file or a RAW image file. | | [Explode](https://developer.android.com/reference/android/support/transition/Explode) | This transition tracks changes to the visibility of target views in the start and end scenes and moves views in or out from the edges of the scene. | | [ExploreByTouchHelper](https://developer.android.com/reference/android/support/v4/widget/ExploreByTouchHelper) | ExploreByTouchHelper is a utility class for implementing accessibility support in custom[View](https://developer.android.com/reference/android/view/View.html)s that represent a collection of View-like logical items. | ## F |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [FacetProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProvider) | This is the query interface to supply optional features(aka facets) on an object without the need of letting the object to subclass or implement java interfaces. | | [FacetProviderAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProviderAdapter) | Optional interface that implemented by[RecyclerView.Adapter](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Adapter)to query[FacetProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProvider)for a given type within Adapter. | | [Fade](https://developer.android.com/reference/android/support/transition/Fade) | This transition tracks changes to the visibility of target views in the start and end scenes and fades views in or out when they become visible or non-visible. | | [FastOutLinearInInterpolator](https://developer.android.com/reference/android/support/v4/view/animation/FastOutLinearInInterpolator) | Interpolator corresponding to[fast_out_linear_in](https://developer.android.com/reference/android/R.interpolator#fast_out_linear_in). | | [FastOutSlowInInterpolator](https://developer.android.com/reference/android/support/v4/view/animation/FastOutSlowInInterpolator) | Interpolator corresponding to[fast_out_slow_in](https://developer.android.com/reference/android/R.interpolator#fast_out_slow_in). | | [FileProvider](https://developer.android.com/reference/android/support/v4/content/FileProvider) | FileProvider is a special subclass of[ContentProvider](https://developer.android.com/reference/android/content/ContentProvider.html)that facilitates secure sharing of files associated with an app by creating a`content://`[Uri](https://developer.android.com/reference/android/net/Uri.html)for a file instead of a`file:///`[Uri](https://developer.android.com/reference/android/net/Uri.html). | | [FingerprintManagerCompat](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat) | A class that coordinates access to the fingerprint hardware. | | [FingerprintManagerCompat.AuthenticationCallback](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat.AuthenticationCallback) | Callback structure provided to[authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler)](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat#authenticate(android.support.v4.hardware.fingerprint.FingerprintManagerCompat.CryptoObject, int, android.support.v4.os.CancellationSignal, android.support.v4.hardware.fingerprint.FingerprintManagerCompat.AuthenticationCallback, android.os.Handler)). | | [FingerprintManagerCompat.AuthenticationResult](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat.AuthenticationResult) | Container for callback data from[authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler)](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat#authenticate(android.support.v4.hardware.fingerprint.FingerprintManagerCompat.CryptoObject, int, android.support.v4.os.CancellationSignal, android.support.v4.hardware.fingerprint.FingerprintManagerCompat.AuthenticationCallback, android.os.Handler)). | | [FingerprintManagerCompat.CryptoObject](https://developer.android.com/reference/android/support/v4/hardware/fingerprint/FingerprintManagerCompat.CryptoObject) | A wrapper class for the crypto objects supported by FingerprintManager. | | [FitWidthBitmapDrawable](https://developer.android.com/reference/android/support/v17/leanback/graphics/FitWidthBitmapDrawable) | Subclass of[Drawable](https://developer.android.com/reference/android/graphics/drawable/Drawable.html)that can be used to draw a bitmap into a region. | | [FlingAnimation](https://developer.android.com/reference/android/support/animation/FlingAnimation) | Fling animation is an animation that continues an initial momentum (most often from gesture velocity) and gradually slows down. | | [FloatPropertyCompat](https://developer.android.com/reference/android/support/animation/FloatPropertyCompat)\ | FloatPropertyCompat is an abstraction that can be used to represent a mutable float value that is held in a host object. | | [FloatRange](https://developer.android.com/reference/android/support/annotation/FloatRange) | Denotes that the annotated element should be a float or double in the given range Example: @FloatRange(from=0.0,to=1.0) public float getAlpha() { ... | | [FloatValueHolder](https://developer.android.com/reference/android/support/animation/FloatValueHolder) | FloatValueHolder holds a float value. | | [FocusDelegate](https://developer.android.com/reference/androidx/recyclerview/selection/FocusDelegate)\ | Override methods in this class to provide application specific behaviors related to focusing item. | | [FocusHighlight](https://developer.android.com/reference/android/support/v17/leanback/widget/FocusHighlight) | Interface for highlighting the item that has focus. | | [FocusHighlightHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/FocusHighlightHelper) | Sets up the highlighting behavior when an item gains focus. | | [FontRequest](https://developer.android.com/reference/android/support/v4/provider/FontRequest) | Information about a font request that may be sent to a Font Provider. | | [FontRequestEmojiCompatConfig](https://developer.android.com/reference/android/support/text/emoji/FontRequestEmojiCompatConfig) | [EmojiCompat.Config](https://developer.android.com/reference/android/support/text/emoji/EmojiCompat.Config)implementation that asynchronously fetches the required font and the metadata using a[FontRequest](https://developer.android.com/reference/android/support/v4/provider/FontRequest). | | [FontRequestEmojiCompatConfig.ExponentialBackoffRetryPolicy](https://developer.android.com/reference/android/support/text/emoji/FontRequestEmojiCompatConfig.ExponentialBackoffRetryPolicy) | A retry policy implementation that doubles the amount of time in between retries. | | [FontRequestEmojiCompatConfig.RetryPolicy](https://developer.android.com/reference/android/support/text/emoji/FontRequestEmojiCompatConfig.RetryPolicy) | Retry policy used when the font provider is not ready to give the font file. | | [FontRes](https://developer.android.com/reference/android/support/annotation/FontRes) | Denotes that an integer parameter, field or method return value is expected to be a font resource reference (e.g. | | [FontsContractCompat](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat) | Utility class to deal with Font ContentProviders. | | [FontsContractCompat.Columns](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat.Columns) | Defines the constants used in a response from a Font Provider. | | [FontsContractCompat.FontFamilyResult](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat.FontFamilyResult) | Object returned from[fetchFonts(Context, CancellationSignal, FontRequest)](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat#fetchFonts(android.content.Context, android.os.CancellationSignal, android.support.v4.provider.FontRequest)). | | [FontsContractCompat.FontInfo](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat.FontInfo) | Object represent a font entry in the family returned from[fetchFonts(Context, CancellationSignal, FontRequest)](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat#fetchFonts(android.content.Context, android.os.CancellationSignal, android.support.v4.provider.FontRequest)). | | [FontsContractCompat.FontRequestCallback](https://developer.android.com/reference/android/support/v4/provider/FontsContractCompat.FontRequestCallback) | Interface used to receive asynchronously fetched typefaces. | | [FractionRes](https://developer.android.com/reference/android/support/annotation/FractionRes) | Denotes that an integer parameter, field or method return value is expected to be a fraction resource reference. | | [Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment) | Static library support version of the framework's[Fragment](https://developer.android.com/reference/android/app/Fragment.html). | | [Fragment.InstantiationException](https://developer.android.com/reference/android/support/v4/app/Fragment.InstantiationException) | Thrown by[instantiate(Context, String, Bundle)](https://developer.android.com/reference/android/support/v4/app/Fragment#instantiate(android.content.Context, java.lang.String, android.os.Bundle))when there is an instantiation failure. | | [Fragment.SavedState](https://developer.android.com/reference/android/support/v4/app/Fragment.SavedState) | State information that has been retrieved from a fragment instance through[FragmentManager.saveFragmentInstanceState](https://developer.android.com/reference/android/support/v4/app/FragmentManager#saveFragmentInstanceState(android.support.v4.app.Fragment)). | | [FragmentActivity](https://developer.android.com/reference/android/support/v4/app/FragmentActivity) | Base class for activities that want to use the support-based[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)and[Loader](https://developer.android.com/reference/android/support/v4/content/Loader)APIs. | | [FragmentAnimationProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FragmentAnimationProvider) | FragmentAnimationProvider supplies animations for use during a fragment's onCreateAnimator callback. | | [FragmentCompat](https://developer.android.com/reference/android/support/v13/app/FragmentCompat) | *This class was deprecated in API level 27.1.0. Use[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)instead of the framework fragment.* | | [FragmentCompat.OnRequestPermissionsResultCallback](https://developer.android.com/reference/android/support/v13/app/FragmentCompat.OnRequestPermissionsResultCallback) | *This interface was deprecated in API level 27.1.0. Use[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)instead of the framework[Fragment](https://developer.android.com/reference/android/app/Fragment.html).* | | [FragmentCompat.PermissionCompatDelegate](https://developer.android.com/reference/android/support/v13/app/FragmentCompat.PermissionCompatDelegate) | *This interface was deprecated in API level 27.1.0. Use[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)instead of the framework[Fragment](https://developer.android.com/reference/android/app/Fragment.html).* | | [FragmentContainer](https://developer.android.com/reference/android/support/v4/app/FragmentContainer) | Callbacks to a[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)'s container. | | [FragmentController](https://developer.android.com/reference/android/support/v4/app/FragmentController) | Provides integration points with a[FragmentManager](https://developer.android.com/reference/android/support/v4/app/FragmentManager)for a fragment host. | | [FragmentHostCallback](https://developer.android.com/reference/android/support/v4/app/FragmentHostCallback)\ | Integration points with the Fragment host. | | [FragmentManager](https://developer.android.com/reference/android/support/v4/app/FragmentManager) | Static library support version of the framework's[FragmentManager](https://developer.android.com/reference/android/app/FragmentManager.html). | | [FragmentManager.BackStackEntry](https://developer.android.com/reference/android/support/v4/app/FragmentManager.BackStackEntry) | Representation of an entry on the fragment back stack, as created with[FragmentTransaction.addToBackStack()](https://developer.android.com/reference/android/support/v4/app/FragmentTransaction#addToBackStack(java.lang.String)). | | [FragmentManager.FragmentLifecycleCallbacks](https://developer.android.com/reference/android/support/v4/app/FragmentManager.FragmentLifecycleCallbacks) | Callback interface for listening to fragment state changes that happen within a given FragmentManager. | | [FragmentManager.OnBackStackChangedListener](https://developer.android.com/reference/android/support/v4/app/FragmentManager.OnBackStackChangedListener) | Interface to watch for changes to the back stack. | | [FragmentManagerNonConfig](https://developer.android.com/reference/android/support/v4/app/FragmentManagerNonConfig) | FragmentManagerNonConfig stores the retained instance fragments across activity recreation events. | | [FragmentPagerAdapter](https://developer.android.com/reference/android/support/v13/app/FragmentPagerAdapter) | *This class was deprecated in API level 27.1.0. Use[FragmentPagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentPagerAdapter)instead.* | | [FragmentPagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentPagerAdapter) | Implementation of[PagerAdapter](https://developer.android.com/reference/android/support/v4/view/PagerAdapter)that represents each page as a[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)that is persistently kept in the fragment manager as long as the user can return to the page. | | [FragmentStatePagerAdapter](https://developer.android.com/reference/android/support/v13/app/FragmentStatePagerAdapter) | *This class was deprecated in API level 27.1.0. Use[FragmentStatePagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentStatePagerAdapter)instead.* | | [FragmentStatePagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentStatePagerAdapter) | Implementation of[PagerAdapter](https://developer.android.com/reference/android/support/v4/view/PagerAdapter)that uses a[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)to manage each page. | | [FragmentTabHost](https://developer.android.com/reference/android/support/v13/app/FragmentTabHost) | *This class was deprecated in API level 27.1.0. Use[FragmentTabHost](https://developer.android.com/reference/android/support/v4/app/FragmentTabHost)instead.* | | [FragmentTabHost](https://developer.android.com/reference/android/support/v4/app/FragmentTabHost) | Special TabHost that allows the use of[Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment)objects for its tab content. | | [FragmentTransaction](https://developer.android.com/reference/android/support/v4/app/FragmentTransaction) | Static library support version of the framework's[FragmentTransaction](https://developer.android.com/reference/android/app/FragmentTransaction.html). | | [FrameMetricsAggregator](https://developer.android.com/reference/android/support/v4/app/FrameMetricsAggregator) | This class can be used to record and return data about per-frame durations. | | [FullWidthDetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter) | Renders a[DetailsOverviewRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow)to display an overview of an item. | | [FullWidthDetailsOverviewRowPresenter.Listener](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.Listener) | Listeners for events on ViewHolder. | | [FullWidthDetailsOverviewRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.ViewHolder) | A ViewHolder for the DetailsOverviewRow. | | [FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener) | | | [FullWidthDetailsOverviewSharedElementHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewSharedElementHelper) | Helper class to assist delayed shared element activity transition for view created by[FullWidthDetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter). | ## G |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [GestureDetectorCompat](https://developer.android.com/reference/android/support/v4/view/GestureDetectorCompat) | Detects various gestures and events using the supplied[MotionEvent](https://developer.android.com/reference/android/view/MotionEvent.html)s. | | [GravityCompat](https://developer.android.com/reference/android/support/v4/view/GravityCompat) | Compatibility shim for accessing newer functionality from[Gravity](https://developer.android.com/reference/android/view/Gravity.html). | | [GridBuilder](https://developer.android.com/reference/androidx/slice/builders/GridBuilder) | Builder to construct a row of slice content in a grid format. | | [GridBuilder.CellBuilder](https://developer.android.com/reference/androidx/slice/builders/GridBuilder.CellBuilder) | Sub-builder to construct a cell to be displayed in a grid. | | [GridLayout](https://developer.android.com/reference/android/support/v7/widget/GridLayout) | A layout that places its children in a rectangular*grid*. | | [GridLayout.Alignment](https://developer.android.com/reference/android/support/v7/widget/GridLayout.Alignment) | Alignments specify where a view should be placed within a cell group and what size it should be. | | [GridLayout.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/GridLayout.LayoutParams) | Layout information associated with each of the children of a GridLayout. | | [GridLayout.Spec](https://developer.android.com/reference/android/support/v7/widget/GridLayout.Spec) | A Spec defines the horizontal or vertical characteristics of a group of cells. | | [GridLayoutManager](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager) | A[RecyclerView.LayoutManager](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutManager)implementations that lays out items in a grid. | | [GridLayoutManager.DefaultSpanSizeLookup](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.DefaultSpanSizeLookup) | Default implementation for[GridLayoutManager.SpanSizeLookup](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.SpanSizeLookup). | | [GridLayoutManager.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.LayoutParams) | LayoutParams used by GridLayoutManager. | | [GridLayoutManager.SpanSizeLookup](https://developer.android.com/reference/android/support/v7/widget/GridLayoutManager.SpanSizeLookup) | A helper class to provide the number of spans each item occupies. | | [GuardedBy](https://developer.android.com/reference/android/support/annotation/GuardedBy) | Denotes that the annotated method or field can only be accessed when holding the referenced lock. | | [GuidanceStylist](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidanceStylist) | GuidanceStylist is used within a[GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment)to display contextual information for the decision(s) required at that step. | | [GuidanceStylist.Guidance](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidanceStylist.Guidance) | A data class representing contextual information for a[GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment). | | [GuidedAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction) | A data class which represents an action within a[GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment). | | [GuidedAction.Builder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction.Builder) | Builds a[GuidedAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction)object. | | [GuidedAction.BuilderBase](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction.BuilderBase)\ | Base builder class to build a[GuidedAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction)object. | | [GuidedActionDiffCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionDiffCallback) | DiffCallback used for GuidedActions, see[setActionsDiffCallback(DiffCallback)](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepSupportFragment#setActionsDiffCallback(android.support.v17.leanback.widget.DiffCallback)). | | [GuidedActionEditText](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionEditText) | A custom EditText that satisfies the IME key monitoring requirements of GuidedStepFragment. | | [GuidedActionsStylist](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionsStylist) | GuidedActionsStylist is used within a[GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment)to supply the right-side panel where users can take actions. | | [GuidedActionsStylist.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionsStylist.ViewHolder) | ViewHolder caches information about the action item layouts' subviews. | | [GuidedDatePickerAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction) | Subclass of GuidedAction that can choose a date. | | [GuidedDatePickerAction.Builder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction.Builder) | Builder class to build a GuidedDatePickerAction. | | [GuidedDatePickerAction.BuilderBase](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction.BuilderBase)\ | Base Builder class to build GuidedDatePickerAction. | | [GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment) | *This class was deprecated in API level 27.1.0. use[GuidedStepSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepSupportFragment)* | | [GuidedStepSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepSupportFragment) | A GuidedStepSupportFragment is used to guide the user through a decision or series of decisions. | ## H |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [HalfFloat](https://developer.android.com/reference/android/support/annotation/HalfFloat) | Denotes that the annotated element represents a half-precision floating point value. | | [HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem) | A header item describes the metadata of a[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row), such as a category of media items. | | [HeadersFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment) | *This class was deprecated in API level 27.1.0. use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment)* | | [HeadersFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderClickedListener) | *This interface was deprecated in API level 27.1.0. use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment)* | | [HeadersFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderViewSelectedListener) | *This interface was deprecated in API level 27.1.0. use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment)* | | [HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment) | An fragment containing a list of row headers. | | [HeadersSupportFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment.OnHeaderClickedListener) | Interface definition for a callback to be invoked when a header item is clicked. | | [HeadersSupportFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment.OnHeaderViewSelectedListener) | Interface definition for a callback to be invoked when a header item is selected. | | [HeifWriter](https://developer.android.com/reference/androidx/heifwriter/HeifWriter) | This class writes one or more still images (of the same dimensions) into a heif file. | | [HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView) | A[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)that shows items in a horizontal scrolling list. | | [HorizontalHoverCardSwitcher](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalHoverCardSwitcher) | A helper class for showing a hover card view below a[HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView). | ## I |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [IconCompat](https://developer.android.com/reference/android/support/v4/graphics/drawable/IconCompat) | Helper for accessing features in[Icon](https://developer.android.com/reference/android/graphics/drawable/Icon.html). | | [ICUCompat](https://developer.android.com/reference/android/support/v4/text/ICUCompat) | | | [IdRes](https://developer.android.com/reference/android/support/annotation/IdRes) | Denotes that an integer parameter, field or method return value is expected to be an id resource reference (e.g. | | [ImageCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/ImageCardView) | A subclass of[BaseCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseCardView)with an[ImageView](https://developer.android.com/reference/android/widget/ImageView.html)as its main region. | | [ImageViewCompat](https://developer.android.com/reference/android/support/v4/widget/ImageViewCompat) | Helper for accessing features in[ImageView](https://developer.android.com/reference/android/widget/ImageView.html). | | [ImeKeyMonitor](https://developer.android.com/reference/android/support/v17/leanback/widget/ImeKeyMonitor) | Interface for an EditText subclass that can delegate calls to onKeyPreIme up to a registered listener. | | [ImeKeyMonitor.ImeKeyListener](https://developer.android.com/reference/android/support/v17/leanback/widget/ImeKeyMonitor.ImeKeyListener) | Listener interface for key events intercepted pre-IME by edit text objects. | | [InputConnectionCompat](https://developer.android.com/reference/android/support/v13/view/inputmethod/InputConnectionCompat) | Helper for accessing features in[InputConnection](https://developer.android.com/reference/android/view/inputmethod/InputConnection.html)introduced after API level 13 in a backwards compatible fashion. | | [InputConnectionCompat.OnCommitContentListener](https://developer.android.com/reference/android/support/v13/view/inputmethod/InputConnectionCompat.OnCommitContentListener) | Listener for commitContent method call, in a backwards compatible fashion. | | [InputContentInfoCompat](https://developer.android.com/reference/android/support/v13/view/inputmethod/InputContentInfoCompat) | Helper for accessing features in InputContentInfo introduced after API level 13 in a backwards compatible fashion. | | [InputDeviceCompat](https://developer.android.com/reference/android/support/v4/view/InputDeviceCompat) | Helper class for accessing values in[InputDevice](https://developer.android.com/reference/android/view/InputDevice.html). | | [IntDef](https://developer.android.com/reference/android/support/annotation/IntDef) | Denotes that the annotated element of integer type, represents a logical type and that its value should be one of the explicitly named constants. | | [IntegerRes](https://developer.android.com/reference/android/support/annotation/IntegerRes) | Denotes that an integer parameter, field or method return value is expected to be an integer resource reference (e.g. | | [IntentCompat](https://developer.android.com/reference/android/support/v4/content/IntentCompat) | Helper for accessing features in[Intent](https://developer.android.com/reference/android/content/Intent.html). | | [InterpolatorRes](https://developer.android.com/reference/android/support/annotation/InterpolatorRes) | Denotes that an integer parameter, field or method return value is expected to be an interpolator resource reference (e.g. | | [IntRange](https://developer.android.com/reference/android/support/annotation/IntRange) | Denotes that the annotated element should be an int or long in the given range Example: @IntRange(from=0,to=255) public int getAlpha() { ... | | [ItemAlignmentFacet](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemAlignmentFacet) | Optional facet provided by[RecyclerView.Adapter](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Adapter)or[RecyclerView.ViewHolder](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ViewHolder)for use in[HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView)and[VerticalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridView). | | [ItemAlignmentFacet.ItemAlignmentDef](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemAlignmentFacet.ItemAlignmentDef) | Definition of an alignment position under a view. | | [ItemBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter) | Bridge from[Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)to[RecyclerView.Adapter](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Adapter). | | [ItemBridgeAdapter.AdapterListener](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.AdapterListener) | Interface for listening to ViewHolder operations. | | [ItemBridgeAdapter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.ViewHolder) | ViewHolder for the ItemBridgeAdapter. | | [ItemBridgeAdapter.Wrapper](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.Wrapper) | Interface for wrapping a view created by a Presenter into another view. | | [ItemBridgeAdapterShadowOverlayWrapper](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapterShadowOverlayWrapper) | A wrapper class working with[ItemBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter)to wrap item view in a[ShadowOverlayContainer](https://developer.android.com/reference/android/support/v17/leanback/widget/ShadowOverlayContainer). | | [ItemDetailsLookup](https://developer.android.com/reference/androidx/recyclerview/selection/ItemDetailsLookup)\ | The Selection library calls[getItemDetails(MotionEvent)](https://developer.android.com/reference/androidx/recyclerview/selection/ItemDetailsLookup#getItemDetails(android.view.MotionEvent))when it needs access to information about the area and/or[ItemDetailsLookup.ItemDetails](https://developer.android.com/reference/androidx/recyclerview/selection/ItemDetailsLookup.ItemDetails)under a[MotionEvent](https://developer.android.com/reference/android/view/MotionEvent.html). | | [ItemDetailsLookup.ItemDetails](https://developer.android.com/reference/androidx/recyclerview/selection/ItemDetailsLookup.ItemDetails)\ | An ItemDetails implementation provides the selection library with access to information about a specific RecyclerView item. | | [ItemKeyProvider](https://developer.android.com/reference/androidx/recyclerview/selection/ItemKeyProvider)\ | Provides selection library access to stable selection keys identifying items presented by a[RecyclerView](https://developer.android.com/reference/android/support/v7/widget/RecyclerView)instance. | | [ItemKeyProvider.Scope](https://developer.android.com/reference/androidx/recyclerview/selection/ItemKeyProvider.Scope) | | | [ItemTouchHelper](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper) | This is a utility class to add swipe to dismiss and drag \& drop support to RecyclerView. | | [ItemTouchHelper.Callback](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper.Callback) | This class is the contract between ItemTouchHelper and your application. | | [ItemTouchHelper.SimpleCallback](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper.SimpleCallback) | A simple wrapper to the default Callback which you can construct with drag and swipe directions and this class will handle the flag callbacks. | | [ItemTouchHelper.ViewDropHandler](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper.ViewDropHandler) | An interface which can be implemented by LayoutManager for better integration with[ItemTouchHelper](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper). | | [ItemTouchUIUtil](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchUIUtil) | Utility class for[ItemTouchHelper](https://developer.android.com/reference/android/support/v7/widget/helper/ItemTouchHelper)which handles item transformations for different API versions. | ## J |-----------------------------------------------------------------------------------------------------|----------------------------------------------------------------------| | [JobIntentService](https://developer.android.com/reference/android/support/v4/app/JobIntentService) | Helper for processing work that has been enqueued for a job/service. | ## K |---------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------| | [Keep](https://developer.android.com/reference/android/support/annotation/Keep) | Denotes that the annotated element should not be removed when the code is minified at build time. | ## L |----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [LayoutInflaterCompat](https://developer.android.com/reference/android/support/v4/view/LayoutInflaterCompat) | Helper for accessing features in[LayoutInflater](https://developer.android.com/reference/android/view/LayoutInflater.html). | | [LayoutInflaterFactory](https://developer.android.com/reference/android/support/v4/view/LayoutInflaterFactory) | *This interface was deprecated in API level 26.1.0. Use[LayoutInflater.Factory2](https://developer.android.com/reference/android/view/LayoutInflater.Factory2.html)directly.* | | [LayoutRes](https://developer.android.com/reference/android/support/annotation/LayoutRes) | Denotes that an integer parameter, field or method return value is expected to be a layout resource reference (e.g. | | [LeanbackListPreferenceDialogFragment](https://developer.android.com/reference/android/support/v17/preference/LeanbackListPreferenceDialogFragment) | | | [LeanbackListPreferenceDialogFragment.AdapterMulti](https://developer.android.com/reference/android/support/v17/preference/LeanbackListPreferenceDialogFragment.AdapterMulti) | | | [LeanbackListPreferenceDialogFragment.AdapterSingle](https://developer.android.com/reference/android/support/v17/preference/LeanbackListPreferenceDialogFragment.AdapterSingle) | | | [LeanbackListPreferenceDialogFragment.ViewHolder](https://developer.android.com/reference/android/support/v17/preference/LeanbackListPreferenceDialogFragment.ViewHolder) | | | [LeanbackListPreferenceDialogFragment.ViewHolder.OnItemClickListener](https://developer.android.com/reference/android/support/v17/preference/LeanbackListPreferenceDialogFragment.ViewHolder.OnItemClickListener) | | | [LeanbackPreferenceDialogFragment](https://developer.android.com/reference/android/support/v17/preference/LeanbackPreferenceDialogFragment) | | | [LeanbackPreferenceFragment](https://developer.android.com/reference/android/support/v17/preference/LeanbackPreferenceFragment) | This fragment provides a fully decorated leanback-style preference fragment, including a list background and header. | | [LeanbackSettingsFragment](https://developer.android.com/reference/android/support/v17/preference/LeanbackSettingsFragment) | This fragment provides a container for displaying a[LeanbackPreferenceFragment](https://developer.android.com/reference/android/support/v17/preference/LeanbackPreferenceFragment) The following sample code shows a simple leanback preference fragment that is populated from a resource. | | [LinearLayoutCompat](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutCompat) | A Layout that arranges its children in a single column or a single row. | | [LinearLayoutCompat.LayoutParams](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutCompat.LayoutParams) | Per-child layout information associated with ViewLinearLayout. | | [LinearLayoutManager](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutManager) | A[RecyclerView.LayoutManager](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.LayoutManager)implementation which provides similar functionality to[ListView](https://developer.android.com/reference/android/widget/ListView.html). | | [LinearLayoutManager.LayoutChunkResult](https://developer.android.com/reference/android/support/v7/widget/LinearLayoutManager.LayoutChunkResult) | | | [LinearOutSlowInInterpolator](https://developer.android.com/reference/android/support/v4/view/animation/LinearOutSlowInInterpolator) | Interpolator corresponding to[linear_out_slow_in](https://developer.android.com/reference/android/R.interpolator#linear_out_slow_in). | | [LinearSmoothScroller](https://developer.android.com/reference/android/support/v7/widget/LinearSmoothScroller) | [RecyclerView.SmoothScroller](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.SmoothScroller)implementation which uses a[LinearInterpolator](https://developer.android.com/reference/android/view/animation/LinearInterpolator.html)until the target position becomes a child of the RecyclerView and then uses a[DecelerateInterpolator](https://developer.android.com/reference/android/view/animation/DecelerateInterpolator.html)to slowly approach to target position. | | [LinearSnapHelper](https://developer.android.com/reference/android/support/v7/widget/LinearSnapHelper) | Implementation of the[SnapHelper](https://developer.android.com/reference/android/support/v7/widget/SnapHelper)supporting snapping in either vertical or horizontal orientation. | | [LinkifyCompat](https://developer.android.com/reference/android/support/v4/text/util/LinkifyCompat) | LinkifyCompat brings in`Linkify`improvements for URLs and email addresses to older API levels. | | [ListAdapter](https://developer.android.com/reference/android/support/v7/recyclerview/extensions/ListAdapter)\ | [RecyclerView.Adapter](https://developer.android.com/reference/android/support/v7/widget/RecyclerView.Adapter)base class for presenting List data in a[RecyclerView](https://developer.android.com/reference/android/support/v7/widget/RecyclerView), including computing diffs between Lists on a background thread. | | [ListBuilder](https://developer.android.com/reference/androidx/slice/builders/ListBuilder) | Builder to construct slice content in a list format. | | [ListBuilder.HeaderBuilder](https://developer.android.com/reference/androidx/slice/builders/ListBuilder.HeaderBuilder) | Builder to construct a header. | | [ListBuilder.InputRangeBuilder](https://developer.android.com/reference/androidx/slice/builders/ListBuilder.InputRangeBuilder) | Builder to construct a input range row. | | [ListBuilder.RangeBuilder](https://developer.android.com/reference/androidx/slice/builders/ListBuilder.RangeBuilder) | Builder to construct a range row. | | [ListBuilder.RowBuilder](https://developer.android.com/reference/androidx/slice/builders/ListBuilder.RowBuilder) | Sub-builder to construct a row of slice content. | | [ListFragment](https://developer.android.com/reference/android/support/v4/app/ListFragment) | Static library support version of the framework's[ListFragment](https://developer.android.com/reference/android/app/ListFragment.html). | | [ListPopupWindow](https://developer.android.com/reference/android/support/v7/widget/ListPopupWindow) | Static library support version of the framework's[ListPopupWindow](https://developer.android.com/reference/android/widget/ListPopupWindow.html). | | [ListPopupWindowCompat](https://developer.android.com/reference/android/support/v4/widget/ListPopupWindowCompat) | Helper for accessing features in[ListPopupWindow](https://developer.android.com/reference/android/widget/ListPopupWindow.html). | | [ListPreference](https://developer.android.com/reference/android/support/v7/preference/ListPreference) | A[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)that displays a list of entries as a dialog. | | [ListPreferenceDialogFragment](https://developer.android.com/reference/android/support/v14/preference/ListPreferenceDialogFragment) | | | [ListPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/ListPreferenceDialogFragmentCompat) | | | [ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow) | A[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)composed of a optional[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem), and an[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)describing the items in the list. | | [ListRowHoverCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowHoverCardView) | ListRowHoverCardView contains a title and description. | | [ListRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter) | ListRowPresenter renders[ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow)using a[HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView)hosted in a[ListRowView](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowView). | | [ListRowPresenter.SelectItemViewHolderTask](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter.SelectItemViewHolderTask) | A task on the ListRowPresenter.ViewHolder that can select an item by position in the HorizontalGridView and perform an optional item task on it. | | [ListRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter.ViewHolder) | ViewHolder for the ListRowPresenter. | | [ListRowView](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowView) | ListRowView is a[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)which always contains a[HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView), and may optionally include a hover card. | | [ListUpdateCallback](https://developer.android.com/reference/android/support/v7/util/ListUpdateCallback) | An interface that can receive Update operations that are applied to a list. | | [ListViewAutoScrollHelper](https://developer.android.com/reference/android/support/v4/widget/ListViewAutoScrollHelper) | An implementation of[AutoScrollHelper](https://developer.android.com/reference/android/support/v4/widget/AutoScrollHelper)that knows how to scroll through a[ListView](https://developer.android.com/reference/android/widget/ListView.html). | | [ListViewCompat](https://developer.android.com/reference/android/support/v4/widget/ListViewCompat) | Helper for accessing features in[ListView](https://developer.android.com/reference/android/widget/ListView.html) | | [Loader](https://developer.android.com/reference/android/support/v4/content/Loader)\ | Static library support version of the framework's[Loader](https://developer.android.com/reference/android/content/Loader.html). | | [Loader.ForceLoadContentObserver](https://developer.android.com/reference/android/support/v4/content/Loader.ForceLoadContentObserver) | An implementation of a ContentObserver that takes care of connecting it to the Loader to have the loader re-load its data when the observer is told it has changed. | | [Loader.OnLoadCanceledListener](https://developer.android.com/reference/android/support/v4/content/Loader.OnLoadCanceledListener)\ | Interface that is implemented to discover when a Loader has been canceled before it finished loading its data. | | [Loader.OnLoadCompleteListener](https://developer.android.com/reference/android/support/v4/content/Loader.OnLoadCompleteListener)\ | Interface that is implemented to discover when a Loader has finished loading its data. | | [LoaderManager](https://developer.android.com/reference/android/support/v4/app/LoaderManager) | Static library support version of the framework's[LoaderManager](https://developer.android.com/reference/android/app/LoaderManager.html). | | [LoaderManager.LoaderCallbacks](https://developer.android.com/reference/android/support/v4/app/LoaderManager.LoaderCallbacks)\ | Callback interface for a client to interact with the manager. | | [LoaderQueryRunner](https://developer.android.com/reference/android/support/content/LoaderQueryRunner) | A[ContentPager.QueryRunner](https://developer.android.com/reference/android/support/content/ContentPager.QueryRunner)that executes queries using a[LoaderManager](https://developer.android.com/reference/android/app/LoaderManager.html). | | [LocalBroadcastManager](https://developer.android.com/reference/android/support/v4/content/LocalBroadcastManager) | Helper to register for and send broadcasts of Intents to local objects within your process. | | [LocaleListCompat](https://developer.android.com/reference/android/support/v4/os/LocaleListCompat) | Helper for accessing features in[LocaleList](https://developer.android.com/reference/android/os/LocaleList.html). | | [LongDef](https://developer.android.com/reference/android/support/annotation/LongDef) | Denotes that the annotated long element represents a logical type and that its value should be one of the explicitly named constants. | | [LongSparseArray](https://developer.android.com/reference/android/support/v4/util/LongSparseArray)\ | SparseArray mapping longs to Objects, a version of the platform's`android.util.LongSparseArray`that can be used on older versions of the platform. | | [LruCache](https://developer.android.com/reference/android/support/v4/util/LruCache)\ | Static library version of`android.util.LruCache`. | ## M |----------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [MainThread](https://developer.android.com/reference/android/support/annotation/MainThread) | Denotes that the annotated method should only be called on the main thread. | | [MarginLayoutParamsCompat](https://developer.android.com/reference/android/support/v4/view/MarginLayoutParamsCompat) | Helper for accessing API features in[MarginLayoutParams](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html)in a backwards compatible way. | | [MathUtils](https://developer.android.com/reference/android/support/v4/math/MathUtils) | A utility class providing functions useful for common mathematical operations. | | [MediaBrowserCompat](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat) | Browses media content offered by a[MediaBrowserServiceCompat](https://developer.android.com/reference/android/support/v4/media/MediaBrowserServiceCompat). | | [MediaBrowserCompat.ConnectionCallback](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.ConnectionCallback) | Callbacks for connection related events. | | [MediaBrowserCompat.CustomActionCallback](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.CustomActionCallback) | Callback for receiving the result of[sendCustomAction(String, Bundle, MediaBrowserCompat.CustomActionCallback)](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat#sendCustomAction(java.lang.String, android.os.Bundle, android.support.v4.media.MediaBrowserCompat.CustomActionCallback)). | | [MediaBrowserCompat.ItemCallback](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.ItemCallback) | Callback for receiving the result of[getItem(String, MediaBrowserCompat.ItemCallback)](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat#getItem(java.lang.String, android.support.v4.media.MediaBrowserCompat.ItemCallback)). | | [MediaBrowserCompat.MediaItem](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.MediaItem) | A class with information on a single media item for use in browsing/searching media. | | [MediaBrowserCompat.SearchCallback](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.SearchCallback) | Callback for receiving the result of[search(String, Bundle, MediaBrowserCompat.SearchCallback)](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat#search(java.lang.String, android.os.Bundle, android.support.v4.media.MediaBrowserCompat.SearchCallback)). | | [MediaBrowserCompat.SubscriptionCallback](https://developer.android.com/reference/android/support/v4/media/MediaBrowserCompat.SubscriptionCallback) | Callbacks for subscription related events. | | [MediaBrowserServiceCompat](https://developer.android.com/reference/android/support/v4/media/MediaBrowserServiceCompat) | Base class for media browse services. | | [MediaBrowserServiceCompat.BrowserRoot](https://developer.android.com/reference/android/support/v4/media/MediaBrowserServiceCompat.BrowserRoot) | Contains information that the browser service needs to send to the client when first connected. | | [MediaBrowserServiceCompat.Result](https://developer.android.com/reference/android/support/v4/media/MediaBrowserServiceCompat.Result)\ | Completion handler for asynchronous callback methods in[MediaBrowserServiceCompat](https://developer.android.com/reference/android/support/v4/media/MediaBrowserServiceCompat). | | [MediaButtonReceiver](https://developer.android.com/reference/android/support/v4/media/session/MediaButtonReceiver) | A media button receiver receives and helps translate hardware media playback buttons, such as those found on wired and wireless headsets, into the appropriate callbacks in your app. | | [MediaControlIntent](https://developer.android.com/reference/android/support/v7/media/MediaControlIntent) | Constants for media control intents. | | [MediaControllerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerAdapter) | A helper class for implementing a adapter layer for[MediaControllerCompat](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat). | | [MediaControllerCompat](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat) | Allows an app to interact with an ongoing media session. | | [MediaControllerCompat.Callback](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat.Callback) | Callback for receiving updates on from the session. | | [MediaControllerCompat.PlaybackInfo](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat.PlaybackInfo) | Holds information about the way volume is handled for this session. | | [MediaControllerCompat.TransportControls](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat.TransportControls) | Interface for controlling media playback on a session. | | [MediaControllerGlue](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerGlue) | *This class was deprecated in API level 27.1.0. Use[MediaControllerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerAdapter)with[PlaybackTransportControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackTransportControlGlue)or[PlaybackBannerControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBannerControlGlue).* | | [MediaDescriptionCompat](https://developer.android.com/reference/android/support/v4/media/MediaDescriptionCompat) | A simple set of metadata for a media item suitable for display. | | [MediaDescriptionCompat.Builder](https://developer.android.com/reference/android/support/v4/media/MediaDescriptionCompat.Builder) | Builder for[MediaDescriptionCompat](https://developer.android.com/reference/android/support/v4/media/MediaDescriptionCompat)objects. | | [MediaItemMetadata](https://developer.android.com/reference/android/support/v7/media/MediaItemMetadata) | Constants for specifying metadata about a media item as a[Bundle](https://developer.android.com/reference/android/os/Bundle.html). | | [MediaItemStatus](https://developer.android.com/reference/android/support/v7/media/MediaItemStatus) | Describes the playback status of a media item. | | [MediaItemStatus.Builder](https://developer.android.com/reference/android/support/v7/media/MediaItemStatus.Builder) | Builder for[media item status objects](https://developer.android.com/reference/android/support/v7/media/MediaItemStatus). | | [MediaMetadataCompat](https://developer.android.com/reference/android/support/v4/media/MediaMetadataCompat) | Contains metadata about an item, such as the title, artist, etc. | | [MediaMetadataCompat.Builder](https://developer.android.com/reference/android/support/v4/media/MediaMetadataCompat.Builder) | Use to build MediaMetadata objects. | | [MediaPlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaPlayerAdapter) | This implementation extends the[PlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter)with a[MediaPlayer](https://developer.android.com/reference/android/media/MediaPlayer.html). | | [MediaRouteActionProvider](https://developer.android.com/reference/android/support/v7/app/MediaRouteActionProvider) | The media route action provider displays a[media route button](https://developer.android.com/reference/android/support/v7/app/MediaRouteButton)in the application's[ActionBar](https://developer.android.com/reference/android/support/v7/app/ActionBar)to allow the user to select routes and to control the currently selected route. | | [MediaRouteButton](https://developer.android.com/reference/android/support/v7/app/MediaRouteButton) | The media route button allows the user to select routes and to control the currently selected route. | | [MediaRouteChooserDialog](https://developer.android.com/reference/android/support/v7/app/MediaRouteChooserDialog) | This class implements the route chooser dialog for[MediaRouter](https://developer.android.com/reference/android/support/v7/media/MediaRouter). | | [MediaRouteChooserDialogFragment](https://developer.android.com/reference/android/support/v7/app/MediaRouteChooserDialogFragment) | Media route chooser dialog fragment. | | [MediaRouteControllerDialog](https://developer.android.com/reference/android/support/v7/app/MediaRouteControllerDialog) | This class implements the route controller dialog for[MediaRouter](https://developer.android.com/reference/android/support/v7/media/MediaRouter). | | [MediaRouteControllerDialogFragment](https://developer.android.com/reference/android/support/v7/app/MediaRouteControllerDialogFragment) | Media route controller dialog fragment. | | [MediaRouteDescriptor](https://developer.android.com/reference/android/support/v7/media/MediaRouteDescriptor) | Describes the properties of a route. | | [MediaRouteDescriptor.Builder](https://developer.android.com/reference/android/support/v7/media/MediaRouteDescriptor.Builder) | Builder for[media route descriptors](https://developer.android.com/reference/android/support/v7/media/MediaRouteDescriptor). | | [MediaRouteDialogFactory](https://developer.android.com/reference/android/support/v7/app/MediaRouteDialogFactory) | The media route dialog factory is responsible for creating the media route chooser and controller dialogs as needed. | | [MediaRouteDiscoveryFragment](https://developer.android.com/reference/android/support/v7/app/MediaRouteDiscoveryFragment) | Media route discovery fragment. | | [MediaRouteDiscoveryRequest](https://developer.android.com/reference/android/support/v7/media/MediaRouteDiscoveryRequest) | Describes the kinds of routes that the media router would like to discover and whether to perform active scanning. | | [MediaRouteProvider](https://developer.android.com/reference/android/support/v7/media/MediaRouteProvider) | Media route providers are used to publish additional media routes for use within an application. | | [MediaRouteProvider.Callback](https://developer.android.com/reference/android/support/v7/media/MediaRouteProvider.Callback) | Callback which is invoked when route information becomes available or changes. | | [MediaRouteProvider.ProviderMetadata](https://developer.android.com/reference/android/support/v7/media/MediaRouteProvider.ProviderMetadata) | Describes properties of the route provider's implementation. | | [MediaRouteProvider.RouteController](https://developer.android.com/reference/android/support/v7/media/MediaRouteProvider.RouteController) | Provides control over a particular route. | | [MediaRouteProviderDescriptor](https://developer.android.com/reference/android/support/v7/media/MediaRouteProviderDescriptor) | Describes the state of a media route provider and the routes that it publishes. | | [MediaRouteProviderDescriptor.Builder](https://developer.android.com/reference/android/support/v7/media/MediaRouteProviderDescriptor.Builder) | Builder for[media route provider descriptors](https://developer.android.com/reference/android/support/v7/media/MediaRouteProviderDescriptor). | | [MediaRouteProviderService](https://developer.android.com/reference/android/support/v7/media/MediaRouteProviderService) | Base class for media route provider services. | | [MediaRouter](https://developer.android.com/reference/android/support/v7/media/MediaRouter) | MediaRouter allows applications to control the routing of media channels and streams from the current device to external speakers and destination devices. | | [MediaRouter.Callback](https://developer.android.com/reference/android/support/v7/media/MediaRouter.Callback) | Interface for receiving events about media routing changes. | | [MediaRouter.ControlRequestCallback](https://developer.android.com/reference/android/support/v7/media/MediaRouter.ControlRequestCallback) | Callback which is invoked with the result of a media control request. | | [MediaRouter.ProviderInfo](https://developer.android.com/reference/android/support/v7/media/MediaRouter.ProviderInfo) | Provides information about a media route provider. | | [MediaRouter.RouteInfo](https://developer.android.com/reference/android/support/v7/media/MediaRouter.RouteInfo) | Provides information about a media route. | | [MediaRouteSelector](https://developer.android.com/reference/android/support/v7/media/MediaRouteSelector) | Describes the capabilities of routes that applications would like to discover and use. | | [MediaRouteSelector.Builder](https://developer.android.com/reference/android/support/v7/media/MediaRouteSelector.Builder) | Builder for[media route selectors](https://developer.android.com/reference/android/support/v7/media/MediaRouteSelector). | | [MediaSessionCompat](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat) | Allows interaction with media controllers, volume keys, media buttons, and transport controls. | | [MediaSessionCompat.Callback](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat.Callback) | Receives transport controls, media buttons, and commands from controllers and the system. | | [MediaSessionCompat.OnActiveChangeListener](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat.OnActiveChangeListener) | | | [MediaSessionCompat.QueueItem](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat.QueueItem) | A single item that is part of the play queue. | | [MediaSessionCompat.Token](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat.Token) | Represents an ongoing session. | | [MediaSessionStatus](https://developer.android.com/reference/android/support/v7/media/MediaSessionStatus) | Describes the playback status of a media session. | | [MediaSessionStatus.Builder](https://developer.android.com/reference/android/support/v7/media/MediaSessionStatus.Builder) | Builder for[media session status objects](https://developer.android.com/reference/android/support/v7/media/MediaSessionStatus). | | [MenuCompat](https://developer.android.com/reference/android/support/v4/view/MenuCompat) | Helper for accessing features in[Menu](https://developer.android.com/reference/android/view/Menu.html). | | [MenuItemCompat](https://developer.android.com/reference/android/support/v4/view/MenuItemCompat) | Helper for accessing features in[MenuItem](https://developer.android.com/reference/android/view/MenuItem.html). | | [MenuItemCompat.OnActionExpandListener](https://developer.android.com/reference/android/support/v4/view/MenuItemCompat.OnActionExpandListener) | *This interface was deprecated in API level 26.1.0. Use[MenuItem.OnActionExpandListener](https://developer.android.com/reference/android/view/MenuItem.OnActionExpandListener.html)directly.* | | [MenuRes](https://developer.android.com/reference/android/support/annotation/MenuRes) | Denotes that an integer parameter, field or method return value is expected to be a menu resource reference. | | [MetadataConstants](https://developer.android.com/reference/android/support/wear/utils/MetadataConstants) | Constants for android wear apps which are related to manifest meta-data. | | [MetadataRepo](https://developer.android.com/reference/android/support/text/emoji/MetadataRepo) | Class to hold the emoji metadata required to process and draw emojis. | | [MimeTypeFilter](https://developer.android.com/reference/android/support/v4/content/MimeTypeFilter) | Provides utility methods for matching MIME type filters used in ContentProvider. | | [MotionEventCompat](https://developer.android.com/reference/android/support/v4/view/MotionEventCompat) | Helper for accessing features in[MotionEvent](https://developer.android.com/reference/android/view/MotionEvent.html). | | [MultiActionsProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/MultiActionsProvider) | An interface implemented by the user if they wish to provide actions for a media item row to be displayed by an[AbstractMediaItemPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter). | | [MultiActionsProvider.MultiAction](https://developer.android.com/reference/android/support/v17/leanback/widget/MultiActionsProvider.MultiAction) | MultiAction represents an action that can have multiple states. | | [MultiSelectListPreference](https://developer.android.com/reference/android/support/v14/preference/MultiSelectListPreference) | A[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)that displays a list of entries as a dialog. | | [MultiSelectListPreferenceDialogFragment](https://developer.android.com/reference/android/support/v14/preference/MultiSelectListPreferenceDialogFragment) | | | [MultiSelectListPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/MultiSelectListPreferenceDialogFragmentCompat) | | | [MutableSelection](https://developer.android.com/reference/androidx/recyclerview/selection/MutableSelection)\ | Subclass of[Selection](https://developer.android.com/reference/androidx/recyclerview/selection/Selection)exposing public support for mutating the underlying selection data. | ## N |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [NavigationRes](https://developer.android.com/reference/android/support/annotation/NavigationRes) | Denotes that an integer parameter, field or method return value is expected to be a navigation resource reference (e.g. | | [NavUtils](https://developer.android.com/reference/android/support/v4/app/NavUtils) | NavUtils provides helper functionality for applications implementing recommended Android UI navigation patterns. | | [NestedScrollingChild](https://developer.android.com/reference/android/support/v4/view/NestedScrollingChild) | This interface should be implemented by[View](https://developer.android.com/reference/android/view/View.html)subclasses that wish to support dispatching nested scrolling operations to a cooperating parent[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html). | | [NestedScrollingChild2](https://developer.android.com/reference/android/support/v4/view/NestedScrollingChild2) | This interface should be implemented by[View](https://developer.android.com/reference/android/view/View.html)subclasses that wish to support dispatching nested scrolling operations to a cooperating parent[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html). | | [NestedScrollingChildHelper](https://developer.android.com/reference/android/support/v4/view/NestedScrollingChildHelper) | Helper class for implementing nested scrolling child views compatible with Android platform versions earlier than Android 5.0 Lollipop (API 21). | | [NestedScrollingParent](https://developer.android.com/reference/android/support/v4/view/NestedScrollingParent) | This interface should be implemented by[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)subclasses that wish to support scrolling operations delegated by a nested child view. | | [NestedScrollingParent2](https://developer.android.com/reference/android/support/v4/view/NestedScrollingParent2) | This interface should be implemented by[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)subclasses that wish to support scrolling operations delegated by a nested child view. | | [NestedScrollingParentHelper](https://developer.android.com/reference/android/support/v4/view/NestedScrollingParentHelper) | Helper class for implementing nested scrolling parent views compatible with Android platform versions earlier than Android 5.0 Lollipop (API 21). | | [NestedScrollView](https://developer.android.com/reference/android/support/v4/widget/NestedScrollView) | NestedScrollView is just like[ScrollView](https://developer.android.com/reference/android/widget/ScrollView.html), but it supports acting as both a nested scrolling parent and child on both new and old versions of Android. | | [NestedScrollView.OnScrollChangeListener](https://developer.android.com/reference/android/support/v4/widget/NestedScrollView.OnScrollChangeListener) | Interface definition for a callback to be invoked when the scroll X or Y positions of a view change. | | [NonNull](https://developer.android.com/reference/android/support/annotation/NonNull) | Denotes that a parameter, field or method return value can never be null. | | [NotificationCompat](https://developer.android.com/reference/android/support/v4/app/NotificationCompat) | Helper for accessing features in[Notification](https://developer.android.com/reference/android/app/Notification.html). | | [NotificationCompat](https://developer.android.com/reference/android/support/v4/media/app/NotificationCompat) | Class containing media specfic[styles](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Style)that you can use with[setStyle(NotificationCompat.Style)](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder#setStyle(android.support.v4.app.NotificationCompat.Style)). | | [NotificationCompat.Action](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action) | Structure to encapsulate a named action that can be shown as part of this notification. | | [NotificationCompat.Action.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.Builder) | Builder class for[NotificationCompat.Action](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action)objects. | | [NotificationCompat.Action.Extender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.Extender) | Extender interface for use with[extend(NotificationCompat.Extender)](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder#extend(android.support.v4.app.NotificationCompat.Extender)). | | [NotificationCompat.Action.SemanticAction](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.SemanticAction) | Provides meaning to an[NotificationCompat.Action](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action)that hints at what the associated[PendingIntent](https://developer.android.com/reference/android/app/PendingIntent.html)will do. | | [NotificationCompat.Action.WearableExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.WearableExtender) | Wearable extender for notification actions. | | [NotificationCompat.BigPictureStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.BigPictureStyle) | Helper class for generating large-format notifications that include a large image attachment. | | [NotificationCompat.BigTextStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.BigTextStyle) | Helper class for generating large-format notifications that include a lot of text. | | [NotificationCompat.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder) | Builder class for[NotificationCompat](https://developer.android.com/reference/android/support/v4/app/NotificationCompat)objects. | | [NotificationCompat.CarExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender) | Helper class to add Android Auto extensions to notifications. | | [NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation) | A class which holds the unread messages from a conversation. | | [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | Builder class for[NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation)objects. | | [NotificationCompat.DecoratedCustomViewStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.DecoratedCustomViewStyle) | Notification style for custom views that are decorated by the system. | | [NotificationCompat.DecoratedMediaCustomViewStyle](https://developer.android.com/reference/android/support/v4/media/app/NotificationCompat.DecoratedMediaCustomViewStyle) | Notification style for media custom views that are decorated by the system. | | [NotificationCompat.Extender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Extender) | Extender interface for use with[extend(NotificationCompat.Extender)](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder#extend(android.support.v4.app.NotificationCompat.Extender)). | | [NotificationCompat.InboxStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.InboxStyle) | Helper class for generating large-format notifications that include a list of (up to 5) strings. | | [NotificationCompat.MediaStyle](https://developer.android.com/reference/android/support/v4/media/app/NotificationCompat.MediaStyle) | Notification style for media playback notifications. | | [NotificationCompat.MessagingStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.MessagingStyle) | Helper class for generating large-format notifications that include multiple back-and-forth messages of varying types between any number of people. | | [NotificationCompat.MessagingStyle.Message](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.MessagingStyle.Message) | | | [NotificationCompat.Style](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Style) | An object that can apply a rich notification style to a[Notification.CarExtender.Builder](https://developer.android.com/reference/android/app/Notification.CarExtender.Builder.html)object. | | [NotificationCompat.WearableExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.WearableExtender) | Helper class to add wearable extensions to notifications. | | [NotificationCompatExtras](https://developer.android.com/reference/android/support/v4/app/NotificationCompatExtras) | Well-known extras used by[NotificationCompat](https://developer.android.com/reference/android/support/v4/app/NotificationCompat)for backwards compatibility. | | [NotificationCompatSideChannelService](https://developer.android.com/reference/android/support/v4/app/NotificationCompatSideChannelService) | Abstract service to receive side channel notifications sent from[NotificationManagerCompat](https://developer.android.com/reference/android/support/v4/app/NotificationManagerCompat). | | [NotificationManagerCompat](https://developer.android.com/reference/android/support/v4/app/NotificationManagerCompat) | Compatibility library for NotificationManager with fallbacks for older platforms. | | [Nullable](https://developer.android.com/reference/android/support/annotation/Nullable) | Denotes that a parameter, field or method return value can be null. | ## O |----------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter) | Base class adapter to be used in leanback activities. | | [ObjectAdapter.DataObserver](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter.DataObserver) | A DataObserver can be notified when an ObjectAdapter's underlying data changes. | | [ObjectsCompat](https://developer.android.com/reference/android/support/v4/util/ObjectsCompat) | This class consists of static utility methods for operating on objects. | | [OnActionClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnActionClickedListener) | Interface for receiving notification when an[Action](https://developer.android.com/reference/android/support/v17/leanback/widget/Action)is clicked. | | [OnApplyWindowInsetsListener](https://developer.android.com/reference/android/support/v4/view/OnApplyWindowInsetsListener) | Listener for applying window insets on a view in a custom way. | | [OnboardingFragment](https://developer.android.com/reference/android/support/v17/leanback/app/OnboardingFragment) | *This class was deprecated in API level 27.1.0. use[OnboardingSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/OnboardingSupportFragment)* | | [OnboardingSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/OnboardingSupportFragment) | An OnboardingSupportFragment provides a common and simple way to build onboarding screen for applications. | | [OnChildLaidOutListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildLaidOutListener) | Interface for receiving notification when a child of this ViewGroup has been laid out. | | [OnChildSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildSelectedListener) | *This interface was deprecated in API level 24.1.0. Use[OnChildViewHolderSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildViewHolderSelectedListener)* | | [OnChildViewHolderSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildViewHolderSelectedListener) | Interface for receiving notification when a child of this ViewGroup has been selected. | | [OnContextClickListener](https://developer.android.com/reference/androidx/recyclerview/selection/OnContextClickListener) | Register an OnContextClickListener to be notified when a context click occurs. | | [OnDragInitiatedListener](https://developer.android.com/reference/androidx/recyclerview/selection/OnDragInitiatedListener) | Register an OnDragInitiatedListener to be notified of potential drag operations, and to handle them. | | [OnItemActivatedListener](https://developer.android.com/reference/androidx/recyclerview/selection/OnItemActivatedListener)\ | Register an OnItemActivatedListener to be notified when an item is activated (tapped or double clicked). | | [OnItemViewClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnItemViewClickedListener) | Interface for receiving notification when a item view holder is clicked. | | [OnItemViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnItemViewSelectedListener) | Interface for receiving notification when a row or item becomes selected. | | [OperationCanceledException](https://developer.android.com/reference/android/support/v4/os/OperationCanceledException) | An exception type that is thrown when an operation in progress is canceled. | | [OperationMonitor](https://developer.android.com/reference/androidx/recyclerview/selection/OperationMonitor) | OperationMonitor provides a mechanism to coordinate application logic with ongoing user selection activities (such as active band selection and active gesture selection). | | [OperationMonitor.OnChangeListener](https://developer.android.com/reference/androidx/recyclerview/selection/OperationMonitor.OnChangeListener) | Listen to changes in operation status. | | [OrientationHelper](https://developer.android.com/reference/android/support/v7/widget/OrientationHelper) | Helper class for LayoutManagers to abstract measurements depending on the View's orientation. | ## P |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [PagerAdapter](https://developer.android.com/reference/android/support/v4/view/PagerAdapter) | Base class providing the adapter to populate pages inside of a[ViewPager](https://developer.android.com/reference/android/support/v4/view/ViewPager). | | [PageRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PageRow) | Used to represent content spanning full page. | | [PagerSnapHelper](https://developer.android.com/reference/android/support/v7/widget/PagerSnapHelper) | Implementation of the[SnapHelper](https://developer.android.com/reference/android/support/v7/widget/SnapHelper)supporting pager style snapping in either vertical or horizontal orientation. | | [PagerTabStrip](https://developer.android.com/reference/android/support/v4/view/PagerTabStrip) | PagerTabStrip is an interactive indicator of the current, next, and previous pages of a[ViewPager](https://developer.android.com/reference/android/support/v4/view/ViewPager). | | [PagerTitleStrip](https://developer.android.com/reference/android/support/v4/view/PagerTitleStrip) | PagerTitleStrip is a non-interactive indicator of the current, next, and previous pages of a[ViewPager](https://developer.android.com/reference/android/support/v4/view/ViewPager). | | [PaintCompat](https://developer.android.com/reference/android/support/v4/graphics/PaintCompat) | Helper for accessing features in[Paint](https://developer.android.com/reference/android/graphics/Paint.html). | | [Pair](https://developer.android.com/reference/android/support/v4/util/Pair)\ | Container to ease passing around a tuple of two objects. | | [Palette](https://developer.android.com/reference/android/support/v7/graphics/Palette) | A helper class to extract prominent colors from an image. | | [Palette.Builder](https://developer.android.com/reference/android/support/v7/graphics/Palette.Builder) | Builder class for generating[Palette](https://developer.android.com/reference/android/support/v7/graphics/Palette)instances. | | [Palette.Filter](https://developer.android.com/reference/android/support/v7/graphics/Palette.Filter) | A Filter provides a mechanism for exercising fine-grained control over which colors are valid within a resulting[Palette](https://developer.android.com/reference/android/support/v7/graphics/Palette). | | [Palette.PaletteAsyncListener](https://developer.android.com/reference/android/support/v7/graphics/Palette.PaletteAsyncListener) | Listener to be used with[generateAsync(Bitmap, PaletteAsyncListener)](https://developer.android.com/reference/android/support/v7/graphics/Palette#generateAsync(android.graphics.Bitmap, android.support.v7.graphics.Palette.PaletteAsyncListener))or[generateAsync(Bitmap, int, PaletteAsyncListener)](https://developer.android.com/reference/android/support/v7/graphics/Palette#generateAsync(android.graphics.Bitmap, int, android.support.v7.graphics.Palette.PaletteAsyncListener)) | | [Palette.Swatch](https://developer.android.com/reference/android/support/v7/graphics/Palette.Swatch) | Represents a color swatch generated from an image's palette. | | [Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax)\ | Parallax tracks a list of dynamic[Property](https://developer.android.com/reference/android/util/Property.html)s typically representing foreground UI element positions on screen. | | [Parallax.FloatProperty](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.FloatProperty) | FloatProperty provide access to an index based integer type property inside[Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax). | | [Parallax.IntProperty](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.IntProperty) | IntProperty provide access to an index based integer type property inside[Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax). | | [Parallax.PropertyMarkerValue](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.PropertyMarkerValue)\ | Class holding a fixed value for a Property in[Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax). | | [ParallaxEffect](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxEffect) | ParallaxEffect class drives changes in[ParallaxTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget)in response to changes in variables defined in[Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax). | | [ParallaxTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget) | ParallaxTarget is responsible for updating the target through the[update(float)](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget#update(float))method or the[directUpdate(Number)](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget#directUpdate(java.lang.Number))method when[isDirectMapping()](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget#isDirectMapping())is true. | | [ParallaxTarget.DirectPropertyTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget.DirectPropertyTarget)\ | DirectPropertyTarget is to support direct mapping into either Integer Property or Float Property. | | [ParallaxTarget.PropertyValuesHolderTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget.PropertyValuesHolderTarget) | PropertyValuesHolderTarget is an implementation of[ParallaxTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget)that uses[PropertyValuesHolder](https://developer.android.com/reference/android/animation/PropertyValuesHolder.html)to update the target object. | | [ParcelableCompat](https://developer.android.com/reference/android/support/v4/os/ParcelableCompat) | *This class was deprecated in API level 26.1.0. Use[Parcelable.ClassLoaderCreator](https://developer.android.com/reference/android/os/Parcelable.ClassLoaderCreator.html)directly.* | | [ParcelableCompatCreatorCallbacks](https://developer.android.com/reference/android/support/v4/os/ParcelableCompatCreatorCallbacks)\ | *This interface was deprecated in API level 26.1.0. Use[Parcelable.ClassLoaderCreator](https://developer.android.com/reference/android/os/Parcelable.ClassLoaderCreator.html)directly.* | | [ParcelableVolumeInfo](https://developer.android.com/reference/android/support/v4/media/session/ParcelableVolumeInfo) | Convenience class for passing information about the audio configuration of a[MediaSessionCompat](https://developer.android.com/reference/android/support/v4/media/session/MediaSessionCompat). | | [PathInterpolatorCompat](https://developer.android.com/reference/android/support/v4/view/animation/PathInterpolatorCompat) | Helper for creating path-based[Interpolator](https://developer.android.com/reference/android/view/animation/Interpolator.html)instances. | | [PathMotion](https://developer.android.com/reference/android/support/transition/PathMotion) | This base class can be extended to provide motion along a Path to Transitions. | | [PatternPathMotion](https://developer.android.com/reference/android/support/transition/PatternPathMotion) | A PathMotion that takes a Path pattern and applies it to the separation between two points. | | [PatternsCompat](https://developer.android.com/reference/android/support/v4/util/PatternsCompat) | Commonly used regular expression patterns. | | [PercentFrameLayout](https://developer.android.com/reference/android/support/percent/PercentFrameLayout) | *This class was deprecated in API level 26.1.0. consider using ConstraintLayout and associated layouts instead. The following shows how to replicate the functionality of percentage layouts with a ConstraintLayout. The Guidelines are used to define each percentage break point, and then a Button view is stretched to fill the gap: ```