In android how can I authenticate the user by Gmail account. Is their any api or support available for android.
Thanks...
Are you asking how to authenticate user in your android app?
You can create a gmail client to authenticate user based on their gmail a/c but This is a unsupported in android sdk.
Take a look at my answer here: https://stackoverflow.com/a/10245999/350691 Hope it helps!
Yes, you can use OAuth in Android. There's a fairly detailed post on this:
There are also two other Java libraries that you might consider for this purpose: