Попробуйте использовать таким образом:
- (void) tweet{
_engine = [[SA_OAuthTwitterEngine alloc] initOAuthWithDelegate:self];
_engine.consumerKey = @"someKey"; //So please make sure that you had replaced the keys over here.
_engine.consumerSecret = @"someSecret";
UIViewController *controller = [SA_OAuthTwitterController controllerToEnterCredentialsWithTwitterEngine: _engine delegate: self];
if (controller)
[self presentModalViewController: controller animated: YES];
else {
tweets = [[NSMutableArray alloc] init];
[_engine sendUpdate:[NSString stringwithFormat:@"Today Test Date is %@",[NSDate date]]]; // You will be able to post any tweet when you are successfully logged in.So post the message after login rather than
[self updateStream:nil];
}
}
Я уверен, что это будет работать для вас ....