Twitter4J ver.4.1を使いアクセストークンを取得しようとしたところ、getAuthorizationURLでNullPointerExceptionが出てしまいます。
private void executeOauth(){
(new Thread(new Runnable() {
@Override
public void run() {
UserSettings us = new UserSettings();
ConfigurationBuilder confbuilder = new ConfigurationBuilder();
confbuilder.setOAuthConsumerKey(us.getConsumerKey()).setOAuthConsumerSecret(us.getConsumerSecret());
twitter = new TwitterFactory(confbuilder.build()).getInstance();
try {
} catch (TwitterException e) {
e.printStackTrace();
}
uri = req.getAuthorizationURL();
Intent i = new Intent(getApplication(),BrowseActivity.class);
i.putExtra("uri", uri);
startActivity(i);
}
})).start();
}