Added in API level 5

android.accounts

Interfaces

AccountManagerCallback<V>  
AccountManagerFuture<V> A AccountManagerFuture represents the result of an asynchronous AccountManager call. 
OnAccountsUpdateListener An interface that contains the callback used by the AccountManager 

Classes

AbstractAccountAuthenticator Abstract base class for creating AccountAuthenticators. 
Account Value type that represents an Account in the AccountManager. 
AccountAuthenticatorActivity This class was deprecated in API level 30. Applications should extend Activity themselves. This class is not compatible with AppCompat, and the functionality it provides is not complex. 
AccountAuthenticatorResponse Object used to communicate responses back to the AccountManager 
AccountManager This class provides access to a centralized registry of the user's online accounts. 
AuthenticatorDescription A Parcelable value type that contains information about an account authenticator. 

Exceptions

AccountsException  
AuthenticatorException  
NetworkErrorException  
OperationCanceledException