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Last updated 2025-05-15 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.activity\n=================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/activity/package-summary \"View this page in Kotlin\") \\|Java\n\nInterfaces\n----------\n\n|-------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [FullyDrawnReporterOwner](/reference/androidx/activity/FullyDrawnReporterOwner) | A class that has a [FullyDrawnReporter](/reference/androidx/activity/FullyDrawnReporter) that allows you to have separate parts of the UI independently register when they have been fully loaded. |\n| [OnBackPressedDispatcherOwner](/reference/androidx/activity/OnBackPressedDispatcherOwner) | A class that has an [OnBackPressedDispatcher](/reference/androidx/activity/OnBackPressedDispatcher) that allows you to register a [OnBackPressedCallback](/reference/androidx/activity/OnBackPressedCallback) for handling the system back button. |\n\nClasses\n-------\n\n|-----------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [ActivityViewModelLazyKt](/reference/androidx/activity/ActivityViewModelLazyKt) | |\n| [BackEventCompat](/reference/androidx/activity/BackEventCompat) | Compat around the [BackEvent](https://developer.android.com/reference/android/window/BackEvent.html) class |\n| [ComponentActivity](/reference/androidx/activity/ComponentActivity) | Base class for activities that enables composition of higher level components. |\n| [ComponentDialog](/reference/androidx/activity/ComponentDialog) | Base class for dialogs that enables composition of higher level components. |\n| [EdgeToEdge](/reference/androidx/activity/EdgeToEdge) | |\n| [FullyDrawnReporter](/reference/androidx/activity/FullyDrawnReporter) | Manages when to call [Activity.reportFullyDrawn](https://developer.android.com/reference/android/app/Activity.html#reportFullyDrawn()). |\n| [FullyDrawnReporterKt](/reference/androidx/activity/FullyDrawnReporterKt) | |\n| [OnBackPressedCallback](/reference/androidx/activity/OnBackPressedCallback) | Class for handling [OnBackPressedDispatcher.onBackPressed](/reference/androidx/activity/OnBackPressedDispatcher#onBackPressed()) callbacks without strongly coupling that implementation to a subclass of [ComponentActivity](/reference/androidx/activity/ComponentActivity). |\n| [OnBackPressedDispatcher](/reference/androidx/activity/OnBackPressedDispatcher) | Dispatcher that can be used to register [OnBackPressedCallback](/reference/androidx/activity/OnBackPressedCallback) instances for handling the [ComponentActivity.onBackPressed](/reference/androidx/activity/ComponentActivity#onBackPressed()) callback via composition. |\n| [OnBackPressedDispatcherKt](/reference/androidx/activity/OnBackPressedDispatcherKt) | |\n| [PipHintTrackerKt](/reference/androidx/activity/PipHintTrackerKt) | |\n| [SystemBarStyle](/reference/androidx/activity/SystemBarStyle) | The style for the status bar or the navigation bar used in [enableEdgeToEdge](/reference/androidx/activity/package-summary#(androidx.activity.ComponentActivity).enableEdgeToEdge(androidx.activity.SystemBarStyle,androidx.activity.SystemBarStyle)). |\n| [ViewTreeFullyDrawnReporterOwner](/reference/androidx/activity/ViewTreeFullyDrawnReporterOwner) | |\n| [ViewTreeOnBackPressedDispatcherOwner](/reference/androidx/activity/ViewTreeOnBackPressedDispatcherOwner) | |"]]
