nameValuePairs[0] = new NameValuePair(OAuth2Constants.KEY_GRANT_TYPE, mGrantType);
nameValuePairs[1] = new NameValuePair(OAuth2Constants.KEY_CODE, mOAuth2ParsedAuthorizationResponse.get(OAuth2Constants.KEY_CODE));
nameValuePairs[2] = new NameValuePair(OAuth2Constants.KEY_REDIRECT_URI, mRedirectUri);
nameValuePairs[0] = new NameValuePair(OAuth2Constants.KEY_GRANT_TYPE, mGrantType);
nameValuePairs[1] = new NameValuePair(OAuth2Constants.KEY_CODE, mOAuth2ParsedAuthorizationResponse.get(OAuth2Constants.KEY_CODE));
nameValuePairs[2] = new NameValuePair(OAuth2Constants.KEY_REDIRECT_URI, mRedirectUri);