Callback for monitoring activity lifecycle events. These callbacks are invoked on the main
thread, so any long operations or violating the strict mode policies should be avoided.
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Last updated 2025-02-10 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# ActivityLifecycleCallback\n=========================\n\n| This package is part of the Android [support library](/topic/libraries/support-library) which is no longer maintained. The support library has been superseded by [AndroidX](/jetpack/androidx) which is part of [Jetpack](/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider [migrating](/jetpack/androidx/migrate) existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library [class\n| mappings](/jetpack/androidx/migrate/class-mappings).\n\n\n`\npublic\n\n\ninterface\nActivityLifecycleCallback\n`\n\n\n`\n\n\n`\n\n|-----------------------------------------------------------------|\n| android.support.test.runner.lifecycle.ActivityLifecycleCallback |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nCallback for monitoring activity lifecycle events. These callbacks are invoked on the main\nthread, so any long operations or violating the strict mode policies should be avoided.\n\nSummary\n-------\n\n| ### Public methods ||\n|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` abstract void` | ` `[onActivityLifecycleChanged](/reference/android/support/test/runner/lifecycle/ActivityLifecycleCallback#onActivityLifecycleChanged(android.app.Activity, android.support.test.runner.lifecycle.Stage))`(`[Activity](https://developer.android.com/reference/android/app/Activity.html)` activity, `[Stage](/reference/android/support/test/runner/lifecycle/Stage)` stage) ` Called on the main thread after an activity has processed its lifecycle change event (for example onResume or onStart) |\n\nPublic methods\n--------------\n\n### onActivityLifecycleChanged\n\n```\nvoid onActivityLifecycleChanged (Activity activity, \n Stage stage)\n```\n\nCalled on the main thread after an activity has processed its lifecycle change event (for\nexample onResume or onStart)\n\n\u003cbr /\u003e\n\n| Parameters ||\n|------------|------------------------------------|\n| `activity` | `Activity`: The activity \u003cbr /\u003e |\n| `stage` | `Stage`: its current stage. \u003cbr /\u003e |\n\n-\n\n Interfaces\n ----------\n\n - [ActivityLifecycleCallback](/reference/android/support/test/runner/lifecycle/ActivityLifecycleCallback)\n - [ActivityLifecycleMonitor](/reference/android/support/test/runner/lifecycle/ActivityLifecycleMonitor)\n - [ApplicationLifecycleCallback](/reference/android/support/test/runner/lifecycle/ApplicationLifecycleCallback)\n - [ApplicationLifecycleMonitor](/reference/android/support/test/runner/lifecycle/ApplicationLifecycleMonitor)\n-\n\n Classes\n -------\n\n - [ActivityLifecycleMonitorRegistry](/reference/android/support/test/runner/lifecycle/ActivityLifecycleMonitorRegistry)\n - [ApplicationLifecycleMonitorRegistry](/reference/android/support/test/runner/lifecycle/ApplicationLifecycleMonitorRegistry)\n-\n\n Enums\n -----\n\n - [ApplicationStage](/reference/android/support/test/runner/lifecycle/ApplicationStage)\n - [Stage](/reference/android/support/test/runner/lifecycle/Stage)"]]
