MGTwitterEngine for Iphone Authentication xAuth oAuth

All I am try to integrate twitter in Iphone application As twiiter not allow the xAuth by default then How show I use it.. When will twitter approve xAuth for my application. As now it is in developing stage

AND one more thing

I have add the oAuthConsumer file in my application with MGTwitterEngine then how I call the oAuth.

Now I am calling like that

twitterEngine = [[MGTwitterEngine alloc] initWithDelegate:self];
[twitterEngine setUsesSecureConnection:NO];
[twitterEngine setConsumerKey:consumerKey secret:consumerSecret];
[twitterEngine setUsername:username];
[twitterEngine getXA开发者_高级运维uthAccessTokenForUsername:username password:password];

But it is xAuth method

Please help me

Amit Battan

for oAuth I have use https://github.com/bengottlieb/Twitter-OAuth-iPhone

and for xAuth we have to request twitter for it. and it is after releasing the application on Apple store