소스에 에러는 발견되지 않았는데 강제종료가 됩니다. 왜 그런지 알고 싶습니다.

 

public class PhoneBook extends ListActivity {
    private static String[] PROJECTION = new String[]{
     Phone._ID, Phone.DISPLAY_NAME, Phone.NUMBER};
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        Cursor c = getContentResolver().query(Phone.CONTENT_URI,
          PROJECTION, null, null, null);
        startManagingCursor(c);
       
        setListAdapter(new ArrayAdapter<String>(this,
          android.R.layout.simple_list_item_2,
          PROJECTION));
    }
}