{% setvar book_path %}/reference/kotlin/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

ApplicationLifecycleCallback

interface ApplicationLifecycleCallback

Callback for monitoring application lifecycle events.

Summary

Public functions
`Unit`	`onApplicationLifecycleChanged(app: Application!, stage: ApplicationStage!)` Called on after an application has processed its lifecycle change event (for example onCreate) These callbacks may occur on main thread so implementers should limit the amount of processing performed

Public functions

onApplicationLifecycleChanged

fun onApplicationLifecycleChanged(app: Application!, stage: ApplicationStage!): Unit

Called on after an application has processed its lifecycle change event (for example onCreate) These callbacks may occur on main thread so implementers should limit the amount of processing performed

Parameters
`app: Application!`	the Application
`stage: ApplicationStage!`	its current stage.