Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Android Threads and Services Threads in Android Handle it!

I don't know what to put as a message.obj

I'm stuck in the message.obj, I don't know what to put as a message

public class MainActivity extends Activity {
  Button button;
  TwitterClient twitterClient = new TwitterClient();

  public void onCreate(Bundle savedInstanceState) {

    final TwitterThread twitterThread = new TwitterThread();

    button = (Button) findViewById(R.id.update_button);
    button.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v){
        String client = "client 1";
        Message message = Message.obtain();
        message.obj = client;

  class TwitterThread extends Thread {
    TwitterHandler mHandler;

    public void run() {
      mHandler = new TwitterHandler();

  class TwitterHandler extends Handler{
    public void handleMessage(Message msg){