// @Override
// public boolean onCreateOptionsMenu(Menu menu) {
// menu.add(0,R.id.edit_query,0,"编辑").setIcon(R.drawable.ic_menu_mark).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
// return true;
// }
@Override
protected void onStart() {
super.onStart();
mDownloadMan.registerDownloadObserver(this);
mAdapter.notifyDataSetChanged();
}
