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Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.security.app.authenticator\n===================================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/androidx/security/app/authenticator/package-summary \"View this page in Java\")\n\nClasses\n-------\n\n|------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [AppAuthenticator](/reference/kotlin/androidx/security/app/authenticator/AppAuthenticator) | Provides methods to verify the signing identity of other apps on the device. |\n| [TestAppAuthenticatorBuilder](/reference/kotlin/androidx/security/app/authenticator/TestAppAuthenticatorBuilder) | Builder class that can be used to facilitate the creation of a new [AppAuthenticator](/reference/kotlin/androidx/security/app/authenticator/AppAuthenticator) which can be configured to meet the requirements of the test. |\n\nExceptions\n----------\n\n|--------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [AppAuthenticatorXmlException](/reference/kotlin/androidx/security/app/authenticator/AppAuthenticatorXmlException) | This `Exception` is thrown when the XML configuration file is not in the proper format to instantiate a new [AppAuthenticator](/reference/kotlin/androidx/security/app/authenticator/AppAuthenticator). |"]]
