The ADAL SDK for Android gives you the ability to add support for Work Accounts to your application with just a few lines of additional code. This SDK gives your application the full functionality of Microsoft Azure AD, including industry standard protocol support for OAuth2, Web API integration with user level consent, and two factor authentication support.
(Lint fails because it's trying to find a common version that has not been published yet) (See https://github.com/AzureAD/microsoft-authentication-library-common-for-android/pull/2118)