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LifecycleObserver
public
interface
LifecycleObserver
| android.arch.lifecycle.LifecycleObserver
|
Known indirect subclasses
|
Marks a class as a LifecycleObserver. It does not have any methods, instead, relies on
OnLifecycleEvent annotated methods.
Annotations
Interfaces
Classes
Enums
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Last updated 2025-02-10 UTC.
[null,null,["Last updated 2025-02-10 UTC."],[],[],null,["# LifecycleObserver\n\nSummary: \n\nLifecycleObserver\n=================\n\n| The `android.arch` Architecture Components packages are no longer maintained. They have been superseded by the corresponding [androidx.\\*](/jetpack/androidx/migrate) packages. See [androidx.lifecycle.LifecycleObserver](/reference/androidx/lifecycle/LifecycleObserver) instead.\n\n\n`\npublic\n\n\ninterface\nLifecycleObserver\n`\n\n\n`\n\n\n`\n\n|------------------------------------------|\n| android.arch.lifecycle.LifecycleObserver |\n\n|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known indirect subclasses [DefaultLifecycleObserver](/reference/android/arch/lifecycle/DefaultLifecycleObserver) |----------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------| | [DefaultLifecycleObserver](/reference/android/arch/lifecycle/DefaultLifecycleObserver) | Callback interface for listening to [LifecycleOwner](/reference/android/arch/lifecycle/LifecycleOwner) state changes. | |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nMarks a class as a LifecycleObserver. It does not have any methods, instead, relies on\n[OnLifecycleEvent](/reference/android/arch/lifecycle/OnLifecycleEvent) annotated methods.\n\n\u003cbr /\u003e\n\n**See also:**\n\n- [Lifecycle - for samples and usage patterns.](/reference/android/arch/lifecycle/Lifecycle) \n-\n\n Annotations\n -----------\n\n - [OnLifecycleEvent](/reference/android/arch/lifecycle/OnLifecycleEvent)\n-\n\n Interfaces\n ----------\n\n - [DefaultLifecycleObserver](/reference/android/arch/lifecycle/DefaultLifecycleObserver)\n - [LifecycleObserver](/reference/android/arch/lifecycle/LifecycleObserver)\n - [LifecycleOwner](/reference/android/arch/lifecycle/LifecycleOwner)\n - [LifecycleRegistryOwner](/reference/android/arch/lifecycle/LifecycleRegistryOwner)\n - [Observer](/reference/android/arch/lifecycle/Observer)\n - [ViewModelProvider.Factory](/reference/android/arch/lifecycle/ViewModelProvider.Factory)\n - [ViewModelStoreOwner](/reference/android/arch/lifecycle/ViewModelStoreOwner)\n-\n\n Classes\n -------\n\n - [AndroidViewModel](/reference/android/arch/lifecycle/AndroidViewModel)\n - [Lifecycle](/reference/android/arch/lifecycle/Lifecycle)\n - [LifecycleRegistry](/reference/android/arch/lifecycle/LifecycleRegistry)\n - [LifecycleService](/reference/android/arch/lifecycle/LifecycleService)\n - [LiveData](/reference/android/arch/lifecycle/LiveData)\n - [LiveDataReactiveStreams](/reference/android/arch/lifecycle/LiveDataReactiveStreams)\n - [MediatorLiveData](/reference/android/arch/lifecycle/MediatorLiveData)\n - [MutableLiveData](/reference/android/arch/lifecycle/MutableLiveData)\n - [ProcessLifecycleOwner](/reference/android/arch/lifecycle/ProcessLifecycleOwner)\n - [ServiceLifecycleDispatcher](/reference/android/arch/lifecycle/ServiceLifecycleDispatcher)\n - [Transformations](/reference/android/arch/lifecycle/Transformations)\n - [ViewModel](/reference/android/arch/lifecycle/ViewModel)\n - [ViewModelProvider](/reference/android/arch/lifecycle/ViewModelProvider)\n - [ViewModelProvider.AndroidViewModelFactory](/reference/android/arch/lifecycle/ViewModelProvider.AndroidViewModelFactory)\n - [ViewModelProvider.NewInstanceFactory](/reference/android/arch/lifecycle/ViewModelProvider.NewInstanceFactory)\n - [ViewModelProviders](/reference/android/arch/lifecycle/ViewModelProviders)\n - [ViewModelProviders.DefaultFactory](/reference/android/arch/lifecycle/ViewModelProviders.DefaultFactory)\n - [ViewModelStore](/reference/android/arch/lifecycle/ViewModelStore)\n - [ViewModelStores](/reference/android/arch/lifecycle/ViewModelStores)\n-\n\n Enums\n -----\n\n - [Lifecycle.Event](/reference/android/arch/lifecycle/Lifecycle.Event)\n - [Lifecycle.State](/reference/android/arch/lifecycle/Lifecycle.State)"]]
