achievement_login_status();
Returns: Boolean
This function is currently only useful for Google Play on
the Android platform. It will check to see if the user is already
logged into Google services, in which case it will return
true, or not, returning false. If it returns
true there is no need to call the achievement_login
function.
if !achievement_login_status()
{
achievement_login();
}
The above code will log you into the chosen leaderboard and achievement service.