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public interface OnFailureListener
Listener called when a Task
fails with an exception.
Summary
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Last updated 2024-10-31 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-31 UTC."],[[["\u003cp\u003e\u003ccode\u003eOnFailureListener\u003c/code\u003e is an interface used to handle scenarios when a \u003ccode\u003eTask\u003c/code\u003e operation fails.\u003c/p\u003e\n"],["\u003cp\u003eIt includes a single method, \u003ccode\u003eonFailure\u003c/code\u003e, which is invoked when a \u003ccode\u003eTask\u003c/code\u003e encounters an exception, providing details of the failure through an \u003ccode\u003eException\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can attach an \u003ccode\u003eOnFailureListener\u003c/code\u003e to a \u003ccode\u003eTask\u003c/code\u003e to receive notifications and implement custom error handling logic.\u003c/p\u003e\n"]]],["The `OnFailureListener` interface is called when a `Task` operation fails. It provides a single method, `onFailure(Exception e)`, which is invoked when a `Task` encounters an exception. This method receives the non-null `Exception` that caused the `Task` to fail. To use this listener, the `addOnFailureListener` method is used. The `onFailure` method allows handling task failures with the specific exception.\n"],null,["# OnFailureListener\n=================\n\n[Kotlin](/android/reference/kotlin/com/google/android/gms/tasks/OnFailureListener \"View this page in Kotlin\") \\|Java \n\n\n```\npublic interface OnFailureListener\n```\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nListener called when a [Task](/android/reference/com/google/android/gms/tasks/Task) fails with an exception. \n\n| See also |\n|---------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| [addOnFailureListener](/android/reference/com/google/android/gms/tasks/Task#addOnFailureListener(com.google.android.gms.tasks.OnFailureListener)) | |\n\nSummary\n-------\n\n| ### Public methods |\n|--------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `abstract void` | [onFailure](/android/reference/com/google/android/gms/tasks/OnFailureListener#onFailure(java.lang.Exception))`(@`[NonNull](https://developer.android.com/reference/androidx/annotation/NonNull.html)` `[Exception](https://developer.android.com/reference/java/lang/Exception.html)` e)` Called when the Task fails with an exception. |\n\nPublic methods\n--------------\n\n### onFailure\n\n```\nabstract void onFailure(@NonNull Exception e)\n```\n\nCalled when the Task fails with an exception. \n\n| Parameters |\n|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------|\n| `@`[NonNull](https://developer.android.com/reference/androidx/annotation/NonNull.html)` `[Exception](https://developer.android.com/reference/java/lang/Exception.html)` e` | the exception that caused the Task to fail. Never null |"]]
