LifecycleObserver | Android Developers

Platform Android Studio Google Play Jetpack Kotlin Docs Games

Documentation

Overview Guides Reference Samples Design & Quality

Platform
Android Studio
Google Play
Jetpack
Kotlin
Docs
Games

Android API Reference
Overview
AndroidX
Class Index
Package Index
android.support.v4.media
- Overview
- Classes
android.support.v4.media.session
androidx.activity
androidx.activity.contextaware
- Overview
- Interfaces
  - ContextAware
  - OnContextAvailableListener
- Classes
  - ContextAwareHelper
  - ContextAwareKt
androidx.activity.result
androidx.activity.result.contract
- Overview
- Classes
androidx.ads.identifier
- Overview
- Classes
  - AdvertisingIdClient
  - AdvertisingIdInfo
- Exceptions
  - AdvertisingIdNotAvailableException
androidx.ads.identifier.internal
- Overview
- Classes
  - HoldingConnectionClient
androidx.ads.identifier.provider
- Overview
- Interfaces
  - AdvertisingIdProvider
- Classes
  - AdvertisingIdProviderInfo
  - AdvertisingIdProviderManager
androidx.ads.identifier.provider.internal
- Overview
- Classes
  - AdvertisingIdService
androidx.annotation
androidx.annotation.experimental
- Overview
- Enums
  - Experimental.Level
- Annotations
  - Experimental
  - UseExperimental
androidx.appcompat.app
androidx.appcompat.content.res
- Overview
- Classes
  - AppCompatResources
androidx.appcompat.graphics.drawable
- Overview
- Classes
  - AnimatedStateListDrawableCompat
  - DrawerArrowDrawable
androidx.appcompat.view
- Overview
- Interfaces
  - ActionMode.Callback
  - CollapsibleActionView
- Classes
  - ActionMode
  - ContextThemeWrapper
androidx.appcompat.widget
androidx.appsearch.annotation
- Overview
- Annotations
androidx.appsearch.app
androidx.appsearch.exceptions
- Overview
- Exceptions
  - AppSearchException
androidx.appsearch.localstorage
- Overview
- Classes
androidx.appsearch.platformstorage
- Overview
- Classes
androidx.arch.core.executor.testing
- Overview
- Classes
  - CountingTaskExecutorRule
  - InstantTaskExecutorRule
androidx.arch.core.util
- Overview
- Interfaces
  - Function
androidx.asynclayoutinflater.view
- Overview
- Interfaces
  - AsyncLayoutInflater.OnInflateFinishedListener
- Classes
  - AsyncLayoutInflater
androidx.autofill
- Overview
- Classes
  - HintConstants
androidx.autofill.inline
- Overview
- Interfaces
  - UiVersions.Content
  - UiVersions.Style
- Classes
androidx.autofill.inline.common
- Overview
- Classes
androidx.autofill.inline.v1
- Overview
- Classes
androidx.benchmark
- Overview
- Classes
  - BenchmarkState
  - PropOverride
- Annotations
  - BenchmarkState.Companion.ExperimentalExternalReport
androidx.benchmark.junit4
- Overview
- Classes
androidx.benchmark.macro
androidx.benchmark.macro.junit4
- Overview
- Classes
  - MacrobenchmarkRule
androidx.benchmark.perfetto
- Overview
- Classes
  - PerfettoCaptureWrapper
  - UiStateKt
androidx.biometric
androidx.biometric.auth
androidx.browser.browseractions
- Overview
- Classes
androidx.browser.customtabs
androidx.browser.trusted
androidx.browser.trusted.sharing
- Overview
- Classes
androidx.browser.trusted.splashscreens
- Overview
- Classes
  - SplashScreenParamKey
  - SplashScreenVersion
androidx.camera.camera2
- Overview
- Classes
  - Camera2Config
androidx.camera.camera2.internal.compat.quirk
androidx.camera.camera2.internal.compat.workaround
- Overview
- Classes
androidx.camera.camera2.interop
- Overview
- Classes
- Annotations
  - ExperimentalCamera2Interop
androidx.camera.core
androidx.camera.core.internal.compat
- Overview
- Classes
  - ImageWriterCompat
androidx.camera.core.internal.compat.quirk
- Overview
- Interfaces
  - OnePixelShiftQuirk
  - SoftwareJpegEncodingPreferredQuirk
- Classes
androidx.camera.core.internal.compat.workaround
- Overview
- Classes
  - ExifRotationAvailability
  - SurfaceSorter
androidx.camera.extensions
- Overview
- Classes
  - ExtensionMode
  - ExtensionsManager
androidx.camera.extensions.internal
androidx.camera.extensions.internal.compat.quirk
- Overview
- Classes
androidx.camera.extensions.internal.compat.workaround
- Overview
- Classes
  - ExtensionDisabledValidator
androidx.camera.extensions.internal.sessionprocessor
- Overview
- Interfaces
- Classes
  - AdvancedSessionProcessor
androidx.camera.lifecycle
- Overview
- Classes
  - ProcessCameraProvider
- Annotations
  - ExperimentalCameraProviderConfiguration
androidx.camera.video
androidx.camera.video.impl
- Overview
- Classes
  - VideoCaptureConfig
  - VideoCaptureLegacyConfig
androidx.camera.video.internal
- Overview
- Interfaces
  - AudioSource.AudioSourceCallback
  - BufferProvider
- Classes
- Enums
  - BufferProvider.State
- Exceptions
  - AudioSourceAccessException
androidx.camera.video.internal.compat
- Overview
- Classes
androidx.camera.video.internal.compat.quirk
- Overview
- Classes
androidx.camera.video.internal.encoder
- Overview
- Interfaces
- Classes
- Exceptions
  - EncodeException
  - InvalidConfigException
- Annotations
  - EncodeException.ErrorType
androidx.camera.video.internal.utils
- Overview
- Classes
  - OutputUtil
androidx.camera.video.internal.workaround
- Overview
- Classes
  - CorrectVideoTimeByTimebase
  - EncoderFinder
androidx.camera.view
- Overview
- Interfaces
  - RotationProvider.Listener
- Classes
- Enums
androidx.camera.view.internal.compat.quirk
- Overview
- Classes
androidx.camera.view.transform
- Overview
- Classes
androidx.camera.view.video
- Overview
- Interfaces
  - OnVideoSavedCallback
- Classes
- Annotations
  - ExperimentalVideo
androidx.car.app
- Overview
- Interfaces
- Classes
- Exceptions
  - HostException
androidx.car.app.activity
- Overview
- Classes
  - CarAppActivity
androidx.car.app.activity.renderer.surface
- Overview
- Interfaces
  - SurfaceControlCallback
- Classes
  - LegacySurfacePackage
  - SurfaceWrapper
androidx.car.app.annotations
- Overview
- Annotations
androidx.car.app.connection
- Overview
- Classes
  - CarConnection
androidx.car.app.constraints
- Overview
- Classes
  - ConstraintManager
androidx.car.app.hardware
- Overview
- Interfaces
  - CarHardwareManager
- Classes
  - AutomotiveCarHardwareManager
androidx.car.app.hardware.common
- Overview
- Interfaces
  - OnCarDataAvailableListener
- Classes
  - CarUnit
  - CarValue
androidx.car.app.hardware.info
- Overview
- Interfaces
  - CarInfo
  - CarSensors
- Classes
androidx.car.app.managers
- Overview
- Interfaces
  - Manager
androidx.car.app.model
androidx.car.app.model.signin
- Overview
- Interfaces
  - SignInTemplate.SignInMethod
- Classes
androidx.car.app.navigation
- Overview
- Interfaces
  - NavigationManagerCallback
- Classes
  - NavigationManager
androidx.car.app.navigation.model
androidx.car.app.notification
- Overview
- Classes
androidx.car.app.serialization
- Overview
- Classes
  - Bundleable
- Exceptions
  - BundlerException
androidx.car.app.testing
- Overview
- Classes
androidx.car.app.testing.navigation
- Overview
- Classes
  - TestNavigationManager
androidx.car.app.validation
- Overview
- Classes
  - HostValidator
  - HostValidator.Builder
androidx.car.app.versioning
- Overview
- Classes
  - CarAppApiLevels
androidx.cardview.widget
- Overview
- Classes
  - CardView
androidx.collection
- Overview
- Classes
androidx.compose.foundation.relocation
- Overview
- Interfaces
  - BringIntoViewRequester
  - BringIntoViewResponder
- Classes
  - BringIntoViewRequesterKt
androidx.compose.material3
androidx.compose.ui.input
- Overview
- Interfaces
  - InputModeManager
- Classes
  - InputMode
androidx.compose.ui.modifier
androidx.concurrent.futures
- Overview
- Interfaces
  - CallbackToFutureAdapter.Resolver
- Classes
androidx.contentpager.content
- Overview
- Interfaces
- Classes
- Annotations
  - ContentPager.CursorDisposition
androidx.coordinatorlayout.widget
- Overview
- Interfaces
  - CoordinatorLayout.AttachedBehavior
- Classes
- Annotations
  - CoordinatorLayout.DefaultBehavior
androidx.core.accessibilityservice
- Overview
- Classes
  - AccessibilityServiceInfoCompat
androidx.core.animation
androidx.core.app
androidx.core.content
- Overview
- Classes
androidx.core.content.pm
- Overview
- Classes
androidx.core.content.res
- Overview
- Classes
androidx.core.database
- Overview
- Classes
androidx.core.database.sqlite
- Overview
- Classes
  - SQLiteCursorCompat
  - SQLiteDatabaseKt
androidx.core.graphics
androidx.core.graphics.drawable
- Overview
- Classes
androidx.core.hardware.display
- Overview
- Classes
  - DisplayManagerCompat
androidx.core.hardware.fingerprint
- Overview
- Classes
androidx.core.location
androidx.core.math
- Overview
- Classes
  - MathUtils
androidx.core.net
- Overview
- Classes
- Exceptions
  - ParseException
androidx.core.os
- Overview
- Interfaces
  - CancellationSignal.OnCancelListener
  - ParcelableCompatCreatorCallbacks
- Classes
- Exceptions
  - OperationCanceledException
- Annotations
  - BuildCompat.PrereleaseSdkCheck
androidx.core.provider
- Overview
- Classes
androidx.core.role
- Overview
- Classes
  - RoleManagerCompat
androidx.core.splashscreen
- Overview
- Interfaces
  - SplashScreen.KeepOnScreenCondition
  - SplashScreen.OnExitAnimationListener
- Classes
  - SplashScreen
  - SplashScreenViewProvider
androidx.core.telephony
- Overview
- Classes
  - SubscriptionManagerCompat
  - TelephonyManagerCompat
androidx.core.telephony.mbms
- Overview
- Classes
  - MbmsHelper
androidx.core.text
androidx.core.text.util
- Overview
- Classes
  - LinkifyCompat
androidx.core.transition
- Overview
- Classes
  - TransitionKt
androidx.core.util
androidx.core.view
androidx.core.view.accessibility
androidx.core.view.animation
- Overview
- Classes
  - PathInterpolatorCompat
androidx.core.view.inputmethod
- Overview
- Interfaces
  - InputConnectionCompat.OnCommitContentListener
- Classes
androidx.core.widget
androidx.cursoradapter.widget
- Overview
- Interfaces
  - SimpleCursorAdapter.CursorToStringConverter
  - SimpleCursorAdapter.ViewBinder
- Classes
androidx.customview.view
- Overview
- Classes
  - AbsSavedState
androidx.customview.widget
- Overview
- Interfaces
  - Openable
- Classes
androidx.datastore
- Overview
- Classes
  - DataStoreDelegateKt
  - DataStoreFile
androidx.datastore.core
- Overview
- Interfaces
- Exceptions
  - CorruptionException
androidx.datastore.core.handlers
- Overview
- Classes
  - ReplaceFileCorruptionHandler
androidx.datastore.migrations
- Overview
- Classes
  - SharedPreferencesMigration
  - SharedPreferencesView
androidx.datastore.preferences
- Overview
- Classes
androidx.datastore.preferences.core
- Overview
- Classes
androidx.datastore.preferences.rxjava2
- Overview
- Classes
  - RxPreferenceDataStoreBuilder
  - RxPreferenceDataStoreDelegateKt
androidx.datastore.preferences.rxjava3
- Overview
- Classes
  - RxPreferenceDataStoreBuilder
  - RxPreferenceDataStoreDelegateKt
androidx.datastore.rxjava2
- Overview
- Interfaces
  - RxDataMigration
  - RxSharedPreferencesMigration
- Classes
androidx.datastore.rxjava3
- Overview
- Interfaces
  - RxDataMigration
  - RxSharedPreferencesMigration
- Classes
androidx.documentfile.provider
- Overview
- Classes
  - DocumentFile
androidx.drawerlayout.widget
- Overview
- Interfaces
  - DrawerLayout.DrawerListener
- Classes
androidx.dynamicanimation.animation
androidx.emoji.bundled
- Overview
- Classes
  - BundledEmojiCompatConfig
androidx.emoji.text
androidx.emoji.widget
- Overview
- Classes
androidx.emoji2.bundled
- Overview
- Classes
  - BundledEmojiCompatConfig
androidx.emoji2.text
androidx.emoji2.viewsintegration
- Overview
- Classes
  - EmojiEditTextHelper
  - EmojiTextViewHelper
androidx.emoji2.widget
- Overview
- Classes
androidx.enterprise.feedback
androidx.exifinterface.media
- Overview
- Classes
  - ExifInterface
androidx.fragment.app
androidx.fragment.app.strictmode
androidx.fragment.app.testing
- Overview
- Interfaces
  - FragmentScenario.FragmentAction
- Classes
  - FragmentScenario
  - FragmentScenarioKt
androidx.gridlayout.widget
- Overview
- Classes
androidx.health.services.client
- Overview
- Interfaces
androidx.health.services.client.data
androidx.heifwriter
- Overview
- Classes
  - HeifWriter
  - HeifWriter.Builder
androidx.hilt.navigation
- Overview
- Classes
  - HiltViewModelFactory
androidx.hilt.navigation.fragment
- Overview
- Classes
  - HiltNavGraphViewModelLazyKt
androidx.hilt.work
- Overview
- Classes
  - HiltWorkerFactory
- Annotations
  - HiltWorker
androidx.interpolator.view.animation
- Overview
- Classes
androidx.leanback.app
androidx.leanback.database
- Overview
- Classes
  - CursorMapper
androidx.leanback.graphics
- Overview
- Classes
androidx.leanback.media
androidx.leanback.paging
- Overview
- Classes
  - PagingDataAdapter
androidx.leanback.preference
androidx.leanback.system
- Overview
- Classes
  - Settings
androidx.leanback.tab
- Overview
- Classes
  - LeanbackTabLayout
  - LeanbackViewPager
androidx.leanback.widget
androidx.leanback.widget.picker
- Overview
- Interfaces
  - Picker.PickerValueListener
- Classes
androidx.lifecycle
androidx.lifecycle.testing
- Overview
- Classes
  - TestLifecycleOwner
androidx.lifecycle.viewmodel.compose
- Overview
- Classes
  - ViewModelKt
androidx.loader.app
- Overview
- Interfaces
  - LoaderManager.LoaderCallbacks
- Classes
  - LoaderManager
androidx.loader.content
- Overview
- Interfaces
  - Loader.OnLoadCanceledListener
  - Loader.OnLoadCompleteListener
- Classes
androidx.localbroadcastmanager.content
- Overview
- Classes
  - LocalBroadcastManager
androidx.media
- Overview
- Classes
androidx.media.app
- Overview
- Classes
androidx.media.session
- Overview
- Classes
  - MediaButtonReceiver
androidx.media.utils
- Overview
- Classes
  - MediaConstants
androidx.media2.common
androidx.media2.player
- Overview
- Classes
androidx.media2.session
- Overview
- Classes
androidx.media2.widget
- Overview
- Interfaces
  - MediaControlView.OnFullScreenListener
  - VideoView.OnViewTypeChangedListener
- Classes
  - MediaControlView
  - VideoView
androidx.mediarouter.app
- Overview
- Classes
androidx.mediarouter.media
androidx.navigation
androidx.navigation.dynamicfeatures
- Overview
- Classes
androidx.navigation.dynamicfeatures.fragment
- Overview
- Classes
androidx.navigation.dynamicfeatures.fragment.ui
- Overview
- Classes
  - AbstractProgressFragment
  - DefaultProgressFragment
androidx.navigation.fragment
- Overview
- Classes
androidx.navigation.testing
- Overview
- Classes
  - TestNavHostController
  - TestNavigatorState
androidx.navigation.ui
- Overview
- Interfaces
  - AppBarConfiguration.OnNavigateUpListener
- Classes
- Annotations
  - NavigationUiSaveStateControl
androidx.paging
androidx.paging.rxjava2
- Overview
- Classes
androidx.paging.rxjava3
- Overview
- Classes
androidx.palette.graphics
- Overview
- Interfaces
  - Palette.Filter
  - Palette.PaletteAsyncListener
- Classes
androidx.percentlayout.widget
androidx.preference
androidx.print
- Overview
- Interfaces
  - PrintHelper.OnPrintFinishCallback
- Classes
  - PrintHelper
androidx.profileinstaller
- Overview
- Interfaces
  - ProfileInstaller.DiagnosticsCallback
- Classes
androidx.recommendation.app
androidx.recyclerview.selection
androidx.recyclerview.widget
androidx.remotecallback
- Overview
- Interfaces
  - CallbackHandlerRegistry.CallbackHandler
  - CallbackReceiver
- Classes
- Annotations
  - ExternalInput
  - RemoteCallable
androidx.resourceinspection.annotation
- Overview
- Annotations
  - Attribute
  - Attribute.IntMap
androidx.room
androidx.room.migration
- Overview
- Interfaces
  - AutoMigrationSpec
- Classes
  - Migration
  - MigrationKt
androidx.room.rxjava3
- Overview
- Classes
  - RxRoom
- Exceptions
  - EmptyResultSetException
androidx.room.testing
- Overview
- Classes
  - MigrationTestHelper
androidx.savedstate
androidx.security.app.authenticator
- Overview
- Classes
  - AppAuthenticator
  - TestAppAuthenticatorBuilder
- Exceptions
  - AppAuthenticatorXmlException
androidx.security.crypto
androidx.security.identity
androidx.slice
- Overview
- Interfaces
  - SliceUtils.SliceActionListener
  - SliceViewManager.SliceCallback
- Classes
- Exceptions
  - SliceUtils.SliceParseException
androidx.slice.builders
- Overview
- Classes
androidx.slice.core
- Overview
- Interfaces
  - SliceAction
androidx.slice.widget
- Overview
- Interfaces
- Classes
- Annotations
  - SliceLiveData.OnErrorListener.ErrorType
androidx.slidingpanelayout.widget
- Overview
- Interfaces
  - SlidingPaneLayout.PanelSlideListener
- Classes
androidx.sqlite.db
androidx.sqlite.db.framework
- Overview
- Classes
  - FrameworkSQLiteOpenHelperFactory
androidx.startup
- Overview
- Interfaces
  - Initializer
- Classes
  - AppInitializer
  - InitializationProvider
androidx.swiperefreshlayout.widget
- Overview
- Interfaces
  - SwipeRefreshLayout.OnChildScrollUpCallback
  - SwipeRefreshLayout.OnRefreshListener
- Classes
  - CircularProgressDrawable
  - SwipeRefreshLayout
androidx.textclassifier
androidx.tracing
- Overview
- Classes
  - Trace
  - TraceKt
androidx.transition
androidx.tvprovider.media.tv
androidx.vectordrawable.graphics.drawable
androidx.versionedparcelable
- Overview
- Interfaces
  - VersionedParcelable
- Classes
  - ParcelUtils
androidx.viewpager.widget
- Overview
- Interfaces
- Classes
- Annotations
  - ViewPager.DecorView
androidx.viewpager2.adapter
androidx.viewpager2.widget
- Overview
- Interfaces
  - ViewPager2.PageTransformer
- Classes
androidx.wear.activity
- Overview
- Classes
  - ConfirmationActivity
androidx.wear.ambient
androidx.wear.compose.navigation
- Overview
- Classes
androidx.wear.input
androidx.wear.input.testing
- Overview
- Classes
  - TestWearableButtonsProvider
  - TestWearableButtonsProvider.TestWearableButtonLocation
androidx.wear.ongoing
androidx.wear.phone.interactions
- Overview
- Classes
  - PhoneTypeHelper
androidx.wear.phone.interactions.authentication
androidx.wear.phone.interactions.notifications
- Overview
- Interfaces
  - BridgingConfigurationHandler
- Classes
androidx.wear.provider
- Overview
- Classes
androidx.wear.remote.interactions
- Overview
- Classes
  - RemoteActivityHelper
  - WatchFaceConfigIntentHelper
- Exceptions
  - RemoteActivityHelper.RemoteIntentException
androidx.wear.tiles
androidx.wear.tiles.client
- Overview
- Interfaces
  - TileClient
androidx.wear.tiles.connection
- Overview
- Classes
  - DefaultTileClient
androidx.wear.tiles.manager
- Overview
- Classes
  - TileUiClient
androidx.wear.tiles.proto
androidx.wear.tiles.renderer
- Overview
- Interfaces
  - TileRenderer.LoadActionListener
- Classes
  - TileRenderer
androidx.wear.tiles.renderer.internal
androidx.wear.tiles.testing
- Overview
- Classes
  - TestTileClient
androidx.wear.tiles.timeline
- Overview
- Interfaces
  - TilesTimelineManager.Clock
  - TilesTimelineManager.Listener
- Classes
  - TilesTimelineCache
  - TilesTimelineManager
androidx.wear.tiles.timeline.internal
- Overview
- Interfaces
  - TilesTimelineManagerInternal.Clock
  - TilesTimelineManagerInternal.Listener
- Classes
  - TilesTimelineCacheInternal
  - TilesTimelineManagerInternal
androidx.wear.utils
- Overview
- Classes
  - MetadataConstants
  - WearTypeHelper
androidx.wear.watchface
androidx.wear.watchface.client
androidx.wear.watchface.complications
androidx.wear.watchface.complications.data
androidx.wear.watchface.complications.datasource
androidx.wear.watchface.complications.rendering
- Overview
- Classes
androidx.wear.watchface.editor
- Overview
- Interfaces
  - EditorSession
- Classes
- Type aliases
  - WireDeviceConfig
androidx.wear.watchface.style
androidx.wear.widget
androidx.wear.widget.drawer
- Overview