twitter = new TwitterFactory().getInstance();

   twitter.setOAuthConsumer(consumerKey, consumerSecret);

   rqToken = twitter.getOAuthRequestToken(CALLBACK_URL.toString());
   Log.d("twitter====================================",""+rqToken);

키값은 발급 받아서 넣은 상태 인데 ..
요렇게 보내면 아래 코드가 리턴 됩니다 ...
혹시 아시는 분 계시면 도와 주십시요 ... ㅡㅡ

D/twitter===ERROR=============================(18389): 401:Authentication creden
tials were missing or incorrect.
D/twitter===ERROR=============================(18389): <?xml version="1.0" encod
ing="UTF-8"?>
D/twitter===ERROR=============================(18389): <hash>
D/twitter===ERROR=============================(18389):   <request>/oauth/request
_token</request>
D/twitter===ERROR=============================(18389):   <error>Desktop applicat
ions only support the oauth_callback value 'oob'</error>
D/twitter===ERROR=============================(18389): </hash>
D/twitter===ERROR=============================(18389): TwitterException{exceptio
nCode=[8dda30a8-612998f8], statusCode=401, retryAfter=0, rateLimitStatus=null, v
ersion=2.1.6}