On the client(android) get AuthCode and sent to the server where you want to use the calendar, get the token but when query the event an error occurs?
Google_Service_Exception
{
"error": {
"errors": [{
"domain": "global",
"reason": "insufficientPermissions",
"message": "Insufficient Permission"
}],
"code": 403,
"message": "Insufficient Permission"
}
}