// @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(); }