# android.credentials # android.credentials *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/android/credentials/package-summary "View this page in Java") ## Classes |-----------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [ClearCredentialStateRequest](https://developer.android.com/reference/kotlin/android/credentials/ClearCredentialStateRequest) | A request class for clearing a user's credential state from the credential providers. | | [CreateCredentialRequest](https://developer.android.com/reference/kotlin/android/credentials/CreateCredentialRequest) | A request to register a specific type of user credential, potentially launching UI flows to collect user consent and any other operation needed. | | [CreateCredentialResponse](https://developer.android.com/reference/kotlin/android/credentials/CreateCredentialResponse) | A response object that encapsulates the result of a successful credential creation execution. | | [Credential](https://developer.android.com/reference/kotlin/android/credentials/Credential) | Represents a user credential that can be used to authenticate to your app. | | [CredentialDescription](https://developer.android.com/reference/kotlin/android/credentials/CredentialDescription) | Represents the type and contained data fields of a[Credential](https://developer.android.com/reference/kotlin/android/credentials/Credential). | | [CredentialManager](https://developer.android.com/reference/kotlin/android/credentials/CredentialManager) | Manages user authentication flows. | | [CredentialOption](https://developer.android.com/reference/kotlin/android/credentials/CredentialOption) | Information about a specific type of credential to be requested during a android. | | [GetCredentialRequest](https://developer.android.com/reference/kotlin/android/credentials/GetCredentialRequest) | A request to retrieve the user credential, potentially launching UI flows to let the user pick from different credential sources. | | [GetCredentialResponse](https://developer.android.com/reference/kotlin/android/credentials/GetCredentialResponse) | A response object that encapsulates the credential successfully retrieved from the user. | | [PrepareGetCredentialResponse](https://developer.android.com/reference/kotlin/android/credentials/PrepareGetCredentialResponse) | A response object that prefetches user app credentials and provides metadata about them. | | [RegisterCredentialDescriptionRequest](https://developer.android.com/reference/kotlin/android/credentials/RegisterCredentialDescriptionRequest) | A request to register a[ComponentName](https://developer.android.com/reference/kotlin/android/content/ComponentName.html#)that contains an actively provisioned[Credential](https://developer.android.com/reference/kotlin/android/credentials/Credential)represented by a[CredentialDescription](https://developer.android.com/reference/kotlin/android/credentials/CredentialDescription). | | [UnregisterCredentialDescriptionRequest](https://developer.android.com/reference/kotlin/android/credentials/UnregisterCredentialDescriptionRequest) | A request to unregister a[ComponentName](https://developer.android.com/reference/kotlin/android/content/ComponentName.html#)that contains an actively provisioned[Credential](https://developer.android.com/reference/kotlin/android/credentials/Credential)represented by a[CredentialDescription](https://developer.android.com/reference/kotlin/android/credentials/CredentialDescription). | ## Exceptions |-----------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [ClearCredentialStateException](https://developer.android.com/reference/kotlin/android/credentials/ClearCredentialStateException) | Represents an error encountered during the[CredentialManager.clearCredentialState(ClearCredentialStateRequest,](https://developer.android.com/reference/kotlin/android/credentials/CredentialManager#clearCredentialState(android.credentials.ClearCredentialStateRequest,%20android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.os.OutcomeReceiver))operation. | | [CreateCredentialException](https://developer.android.com/reference/kotlin/android/credentials/CreateCredentialException) | Represents an error encountered during the[CredentialManager.createCredential(Context, CreateCredentialRequest,](https://developer.android.com/reference/kotlin/android/credentials/CredentialManager#createCredential(android.content.Context,%20android.credentials.CreateCredentialRequest,%20android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.os.OutcomeReceiver))operation. | | [GetCredentialException](https://developer.android.com/reference/kotlin/android/credentials/GetCredentialException) | Represents an error encountered during the[CredentialManager.getCredential(Context, GetCredentialRequest,](https://developer.android.com/reference/kotlin/android/credentials/CredentialManager#getCredential(android.content.Context,%20android.credentials.GetCredentialRequest,%20android.os.CancellationSignal,%20java.util.concurrent.Executor,%20android.os.OutcomeReceiver))operation. |