How to authenticate users from sharepoint 2013 web service and active directory

Question

How can I authenticate users in a java android application using sharepoint 2013 and secondly how to authenticate users using active directory directly. I have to implement

Answer 1

Azure provides an API for authentication for Microsoft Sharepoint. You can login using that else you can open webview for login of sharepoint. Then after login you can store cookies and you can use it as token in each webservice call.

For more detail about azure you can see this link .

Azure API For Microsoft sharepoint

sample code for azure authentication

If you want to login with webview then you can see this link below it helps you. Login with Webview