[android help] Thread doesn't start on Android

I have this piece of code into a ListFragment

@Override
public void onActivityCreated(Bundle savedInstanceState) {
   super.onActivityCreated(savedInstanceState);
   aa = new ArrayAdapter(getActivity(), android.R.layout.simple_list_item_1,  postTitleList);
   setListAdapter(aa);

   Thread syncThread = new Thread(new Runnable(){
       public void run()
       {
           syncPosts();
       }
   });
   syncThread.start();

   Log.d("POSTS", "Thread Status: " + syncThread.getState().toString());
   Log.d("POSTS", "Thread ID: " + Long.toString(syncThread.getId()));
}

but unfortunately the Thread never starts, it remains in WAITING status, is there a way to force it running?

.

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