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Essentials

Modern Android
Quickly bring your app to life with less code, using a modern declarative approach to UI, and the simplicity of Kotlin.
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Start by creating your first app. Go deeper with our training courses or explore app development on your own.
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Kotlin for Android
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Large screens (e.g. Tablets)
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Learn to build for your use case by following Google's prescriptive and opinionated guidance.
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Design a beautiful user interface using Android best practices.
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Design robust, testable, and maintainable app logic and services.
Introduction
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Essentials
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- Overview
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Android API Reference
Overview
AndroidX
Class Index
Package Index
android.support.v4.media
- Overview
- Classes
android.support.v4.media.session
androidx.activity
androidx.activity.compose
androidx.activity.contextaware
- Overview
- Interfaces
  - ContextAware
  - OnContextAvailableListener
- Classes
  - ContextAwareHelper
androidx.activity.result
androidx.activity.result.contract
androidx.ads.identifier
- Overview
- Classes
  - AdvertisingIdClient
  - AdvertisingIdInfo
- Exceptions
  - AdvertisingIdNotAvailableException
androidx.ads.identifier.provider
- Overview
- Interfaces
  - AdvertisingIdProvider
- Classes
  - AdvertisingIdProviderInfo
  - AdvertisingIdProviderManager
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
androidx.appcompat.view
- Overview
- Interfaces
  - ActionMode.Callback
  - CollapsibleActionView
- Classes
  - ActionMode
  - ContextThemeWrapper
androidx.appcompat.widget
androidx.appsearch.annotation
androidx.appsearch.app
androidx.appsearch.builtintypes
- Overview
- Classes
androidx.appsearch.builtintypes.properties
- Overview
- Classes
  - Keyword
androidx.appsearch.exceptions
- Overview
- Exceptions
  - AppSearchException
androidx.appsearch.localstorage
- Overview
- Classes
androidx.appsearch.observer
- Overview
- Interfaces
  - ObserverCallback
- Classes
androidx.appsearch.platformstorage
- Overview
- Classes
androidx.appsearch.playservicesstorage
- Overview
- Classes
androidx.appsearch.util
- Overview
- Classes
  - DocumentIdUtil
androidx.arch.core.executor.testing
- Overview
- Classes
  - CountingTaskExecutorRule
  - InstantTaskExecutorRule
androidx.arch.core.util
- Overview
- Interfaces
  - Function
androidx.asynclayoutinflater.appcompat
- Overview
- Classes
  - AsyncAppCompatFactory
androidx.asynclayoutinflater.view
- Overview
- Interfaces
  - AsyncLayoutFactory
  - 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
androidx.benchmark.junit4
- Overview
- Classes
androidx.benchmark.macro
androidx.benchmark.macro.junit4
- Overview
- Classes
  - BaselineProfileRule
  - MacrobenchmarkRule
androidx.benchmark.perfetto
androidx.benchmark.vmtrace
androidx.biometric
androidx.biometric.auth
androidx.bluetooth
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.interop
- Overview
- Classes
- Annotations
  - ExperimentalCamera2Interop
androidx.camera.core
androidx.camera.core.resolutionselector
- Overview
- Interfaces
  - ResolutionFilter
- Classes
androidx.camera.extensions
- Overview
- Classes
  - ExtensionMode
  - ExtensionsManager
androidx.camera.lifecycle
- Overview
- Classes
  - ProcessCameraProvider
- Annotations
  - ExperimentalCameraProviderConfiguration
androidx.camera.mlkit.vision
- Overview
- Classes
  - MlKitAnalyzer
  - MlKitAnalyzer.Result
androidx.camera.video
androidx.camera.view
- Overview
- Interfaces
  - RotationProvider.Listener
- Classes
- Enums
androidx.camera.view.transform
- Overview
- Classes
androidx.camera.view.video
- Overview
- Classes
  - AudioConfig
androidx.camera.viewfinder
- Overview
- Classes
- Enums
  - CameraViewfinder.ImplementationMode
  - CameraViewfinder.ScaleType
- Objects
  - CameraViewfinderExt
androidx.car.app
- Overview
- Interfaces
- Classes
- Exceptions
  - HostException
androidx.car.app.activity
- Overview
- Classes
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.climate
androidx.car.app.hardware.common
androidx.car.app.hardware.info
androidx.car.app.managers
- Overview
- Interfaces
  - Manager
androidx.car.app.media
androidx.car.app.mediaextensions
- Overview
- Classes
  - MetadataExtras
androidx.car.app.messaging
- Overview
- Classes
  - MessagingServiceConstants
androidx.car.app.messaging.model
- Overview
- Interfaces
  - ConversationCallback
  - ConversationCallbackDelegate
- Classes
androidx.car.app.model
androidx.car.app.model.signin
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.suggestion
- Overview
- Classes
  - SuggestionManager
androidx.car.app.suggestion.model
- Overview
- Classes
  - Suggestion
  - Suggestion.Builder
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.animation
- Overview
- Interfaces
- Classes
- Enums
  - EnterExitState
- Annotations
  - ExperimentalAnimationApi
androidx.compose.animation.core
androidx.compose.animation.graphics
- Overview
- Annotations
  - ExperimentalAnimationGraphicsApi
androidx.compose.animation.graphics.res
androidx.compose.animation.graphics.vector
- Overview
- Classes
  - AnimatedImageVector
- Objects
  - AnimatedImageVector.Companion
androidx.compose.desktop.ui.tooling.preview
- Overview
- Annotations
  - Preview
androidx.compose.foundation
androidx.compose.foundation.draganddrop
- Overview
- Interfaces
  - DragAndDropSourceScope
androidx.compose.foundation.gestures
- Overview
- Interfaces
- Classes
  - AnchoredDraggableState
  - DraggableAnchorsConfig
- Enums
  - Orientation
- Exceptions
  - GestureCancellationException
- Objects
  - ScrollableDefaults
androidx.compose.foundation.gestures.snapping
- Overview
- Interfaces
  - SnapLayoutInfoProvider
  - SnapPositionInLayout
- Classes
  - SnapFlingBehavior
androidx.compose.foundation.interaction
androidx.compose.foundation.layout
- Overview
- Interfaces
- Classes
- Enums
  - IntrinsicSize
- Annotations
  - ExperimentalLayoutApi
  - LayoutScopeMarker
- Objects
androidx.compose.foundation.lazy
- Overview
- Interfaces
- Classes
  - LazyListState
- Annotations
  - LazyScopeMarker
androidx.compose.foundation.lazy.grid
- Overview
- Interfaces
- Classes
- Annotations
  - LazyGridScopeMarker
androidx.compose.foundation.lazy.layout
androidx.compose.foundation.lazy.staggeredgrid
androidx.compose.foundation.pager
- Overview
- Interfaces
- Classes
  - PageSize.Fixed
  - PagerState
- Objects
  - PageSize.Fill
  - PagerDefaults
androidx.compose.foundation.relocation
- Overview
- Interfaces
  - BringIntoViewRequester
  - BringIntoViewResponder
androidx.compose.foundation.selection
androidx.compose.foundation.shape
- Overview
- Interfaces
  - CornerSize
- Classes
androidx.compose.foundation.text
- Overview
- Interfaces
  - KeyboardActionScope
- Classes
- Annotations
  - InternalFoundationTextApi
androidx.compose.foundation.text.selection
- Overview
- Classes
  - TextSelectionColors
androidx.compose.foundation.text2
- Overview
- Interfaces
  - TextFieldDecorator
androidx.compose.foundation.text2.input
androidx.compose.foundation.window
androidx.compose.material
androidx.compose.material.icons
- Overview
- Objects
androidx.compose.material.icons.automirrored.filled
androidx.compose.material.icons.automirrored.outlined
androidx.compose.material.icons.automirrored.rounded
androidx.compose.material.icons.automirrored.sharp
androidx.compose.material.icons.automirrored.twotone
androidx.compose.material.icons.filled
androidx.compose.material.icons.outlined
androidx.compose.material.icons.rounded
androidx.compose.material.icons.sharp
androidx.compose.material.icons.twotone
androidx.compose.material.pullrefresh
- Overview
- Classes
  - PullRefreshState
- Objects
  - PullRefreshDefaults
androidx.compose.material.ripple
- Overview
- Interfaces
  - RippleTheme
- Classes
  - RippleAlpha
androidx.compose.material3