LifecycleObserver

Artifact: androidx.lifecycle:lifecycle-common

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Added in 2.0.0

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Kotlin |Java

public interface LifecycleObserver

Known direct subclasses

DefaultLifecycleObserver, LifecycleEventObserver

DefaultLifecycleObserver	Callback interface for listening to LifecycleOwner state changes.
LifecycleEventObserver	Class that can receive any lifecycle change and dispatch it to the receiver.

Known indirect subclasses

AmbientLifecycleObserver

AmbientLifecycleObserver

Interface for LifecycleObservers which are used to add ambient mode support to activities on Wearable devices.

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Marks a class as a LifecycleObserver. Don't use this interface directly. Instead implement either DefaultLifecycleObserver or LifecycleEventObserver to be notified about lifecycle events.

See also
Lifecycle	Lifecycle - for samples and usage patterns.