Handle the given error in a manner that makes sense to the environment in which the test is
executed (e.g. take a screenshot, output extra debug info, etc). Upon handling, most handlers
will choose to propagate the error.
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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10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,["# FailureHandler\n\nSummary: [Methods](#pubmethods) \\| [\\[Expand All\\]](#) \n\nFailureHandler\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This package is part of the Android [support library](/topic/libraries/support-library) which is no longer maintained. The support library has been superseded by [AndroidX](/jetpack/androidx) which is part of [Jetpack](/jetpack).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\nFailureHandler\n`\n\n\n`\n\n\n`\n\n|----------------------------------------------|\n| android.support.test.espresso.FailureHandler |\n\n|---|---|\n| Known Indirect Subclasses [DefaultFailureHandler](/reference/android/support/test/espresso/base/DefaultFailureHandler) |----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------| | [DefaultFailureHandler](/reference/android/support/test/espresso/base/DefaultFailureHandler) | Espresso's default [FailureHandler](/reference/android/support/test/espresso/FailureHandler). | ||\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nHandles failures that happen during test execution.\n\nSummary\n-------\n\n| ### Public methods ||\n|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` abstract void` | ` `[handle](/reference/android/support/test/espresso/FailureHandler#handle(java.lang.Throwable, org.hamcrest.Matcher\u003candroid.view.View\u003e))`(`[Throwable](https://developer.android.com/reference/java/lang/Throwable.html)` error, Matcher\u003c`[View](https://developer.android.com/reference/android/view/View.html)`\u003e viewMatcher) ` Handle the given error in a manner that makes sense to the environment in which the test is executed (e.g. |\n\nPublic methods\n--------------\n\n### handle\n\n```\nvoid handle (Throwable error, \n Matcher\u003cView\u003e viewMatcher)\n```\n\nHandle the given error in a manner that makes sense to the environment in which the test is\nexecuted (e.g. take a screenshot, output extra debug info, etc). Upon handling, most handlers\nwill choose to propagate the error.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|---------------|--------------------|\n| `error` | `Throwable` \u003cbr /\u003e |\n| `viewMatcher` | `Matcher` \u003cbr /\u003e |\n\n-\n\n Interfaces\n ----------\n\n - [EspressoException](/reference/android/support/test/espresso/EspressoException)\n - [FailureHandler](/reference/android/support/test/espresso/FailureHandler)\n - [IdlingResource](/reference/android/support/test/espresso/IdlingResource)\n - [IdlingResource.ResourceCallback](/reference/android/support/test/espresso/IdlingResource.ResourceCallback)\n - [UiController](/reference/android/support/test/espresso/UiController)\n - [ViewAction](/reference/android/support/test/espresso/ViewAction)\n - [ViewAssertion](/reference/android/support/test/espresso/ViewAssertion)\n - [ViewFinder](/reference/android/support/test/espresso/ViewFinder)\n - [ViewInteractionComponent](/reference/android/support/test/espresso/ViewInteractionComponent)\n-\n\n Classes\n -------\n\n - [AmbiguousViewMatcherException.Builder](/reference/android/support/test/espresso/AmbiguousViewMatcherException.Builder)\n - [DataInteraction](/reference/android/support/test/espresso/DataInteraction)\n - [DataInteraction.DisplayDataMatcher](/reference/android/support/test/espresso/DataInteraction.DisplayDataMatcher)\n - [Espresso](/reference/android/support/test/espresso/Espresso)\n - [IdlingPolicies](/reference/android/support/test/espresso/IdlingPolicies)\n - [IdlingPolicy](/reference/android/support/test/espresso/IdlingPolicy)\n - [IdlingRegistry](/reference/android/support/test/espresso/IdlingRegistry)\n - [NoMatchingViewException.Builder](/reference/android/support/test/espresso/NoMatchingViewException.Builder)\n - [PerformException.Builder](/reference/android/support/test/espresso/PerformException.Builder)\n - [Root](/reference/android/support/test/espresso/Root)\n - [Root.Builder](/reference/android/support/test/espresso/Root.Builder)\n - [ViewInteraction](/reference/android/support/test/espresso/ViewInteraction)\n-\n\n Exceptions\n ----------\n\n - [AmbiguousViewMatcherException](/reference/android/support/test/espresso/AmbiguousViewMatcherException)\n - [AppNotIdleException](/reference/android/support/test/espresso/AppNotIdleException)\n - [IdlingResourceTimeoutException](/reference/android/support/test/espresso/IdlingResourceTimeoutException)\n - [InjectEventSecurityException](/reference/android/support/test/espresso/InjectEventSecurityException)\n - [NoActivityResumedException](/reference/android/support/test/espresso/NoActivityResumedException)\n - [NoMatchingRootException](/reference/android/support/test/espresso/NoMatchingRootException)\n - [NoMatchingViewException](/reference/android/support/test/espresso/NoMatchingViewException)\n - [PerformException](/reference/android/support/test/espresso/PerformException)"]]
Known Indirect Subclasses