IMPORTANT: In July 2025, we stopped releasing new versions of KTX modules, and we removed the KTX libraries from the Firebase Android BoM (v34.0.0). If you use KTX APIs from the previously released KTX modules, we recommend that you
migrate your app to use KTX APIs from the main modules instead. For details, see the
FAQ about this initiative.
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public final class AuthKt
Summary
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Last updated 2025-07-21 UTC.
[null,null,["Last updated 2025-07-21 UTC."],[],[],null,["AuthKt \n\n\n```\npublic final class AuthKt\n```\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nSummary \n\nPublic methods \n\nactionCodeSettings \n\n```\npublic static final @NonNull ActionCodeSettings actionCodeSettings(\n @ExtensionFunctionType @NonNull Function1\u003c@NonNull ActionCodeSettings.Builder, Unit\u003e init\n)\n```\n\nReturns an [ActionCodeSettings](/docs/reference/android/com/google/firebase/auth/ActionCodeSettings) instance initialized using the [init](/docs/reference/android/com/google/firebase/auth/package-summary#actionCodeSettings(kotlin.Function1)) function. \n\nauth \n\n```\npublic static final @NonNull FirebaseAuth auth(@NonNull Firebase receiver, @NonNull FirebaseApp app)\n```\n\nReturns the [FirebaseAuth](/docs/reference/android/com/google/firebase/auth/FirebaseAuth) instance of a given [FirebaseApp](/docs/reference/android/com/google/firebase/FirebaseApp). \n\ngetAuth \n\n```\npublic static final @NonNull FirebaseAuth getAuth(@NonNull Firebase receiver)\n```\n\nReturns the [FirebaseAuth](/docs/reference/android/com/google/firebase/auth/FirebaseAuth) instance of the default [FirebaseApp](/docs/reference/android/com/google/firebase/FirebaseApp). \n\noAuthCredential \n\n```\npublic static final @NonNull AuthCredential oAuthCredential(\n @NonNull String providerId,\n @ExtensionFunctionType @NonNull Function1\u003c@NonNull OAuthProvider.CredentialBuilder, Unit\u003e init\n)\n```\n\nReturns an OAuth [AuthCredential](/docs/reference/android/com/google/firebase/auth/AuthCredential) instance initialized using the [init](/docs/reference/android/com/google/firebase/auth/package-summary#oAuthCredential(kotlin.String,kotlin.Function1)) function. \n\noAuthProvider \n\n```\npublic static final @NonNull OAuthProvider oAuthProvider(\n @NonNull String providerId,\n @ExtensionFunctionType @NonNull Function1\u003c@NonNull OAuthProvider.Builder, Unit\u003e init\n)\n```\n\nReturns an [OAuthProvider](/docs/reference/android/com/google/firebase/auth/OAuthProvider) instance initialized using the [init](/docs/reference/android/com/google/firebase/auth/package-summary#oAuthProvider(kotlin.String,kotlin.Function1)) function. \n\noAuthProvider \n\n```\npublic static final @NonNull OAuthProvider oAuthProvider(\n @NonNull String providerId,\n @NonNull FirebaseAuth firebaseAuth,\n @ExtensionFunctionType @NonNull Function1\u003c@NonNull OAuthProvider.Builder, Unit\u003e init\n)\n```\n\nReturns an [OAuthProvider](/docs/reference/android/com/google/firebase/auth/OAuthProvider) instance initialized using the [init](/docs/reference/android/com/google/firebase/auth/package-summary#oAuthProvider(kotlin.String,com.google.firebase.auth.FirebaseAuth,kotlin.Function1)) function. \n\nuserProfileChangeRequest \n\n```\npublic static final @NonNull UserProfileChangeRequest userProfileChangeRequest(\n @ExtensionFunctionType @NonNull Function1\u003c@NonNull UserProfileChangeRequest.Builder, Unit\u003e init\n)\n```\n\nReturns an [UserProfileChangeRequest](/docs/reference/android/com/google/firebase/auth/UserProfileChangeRequest) instance initialized using the [init](/docs/reference/android/com/google/firebase/auth/package-summary#userProfileChangeRequest(kotlin.Function1)) function."]]
