Android MenuItem

    SearchView mSearchView;
    MenuItem mMenuItem;

    mMenuItem = menu.findItem(R.id.action_search);
    mMenuItem.setShowAsActionFlags(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW);

    // mSearchView = (SearchView) MenuItemCompat.getActionView(mMenuItem); 
    // <-- MenuItemCompat.getActionView is deprecated
    mSearchView = (SearchView) mMenuItem.getActionView();
    mSearchView.setOnQueryTextListener(new OnQueryTextListener() {
        @Override
        public boolean onQueryTextChange(String newText) {
	       //Log.i(TAG, "Query Text Change:" + newText);
            return false;
        }

        @Override
        public boolean onQueryTextSubmit(String query) {
    		mSearchView.setQuery("", false); // Clear query on TextView
    		mSearchView.clearFocus();
	        //mSearchView.requestFocus();

	        // Hide search text
	    	mSearchView.setIconifiedByDefault(true);
		    if (mSearchView != null) {
				mMenuItem.collapseActionView();
			}

	    	SearchActivity.this.setTitle(String.format("%s : %s", mTitle, query));

            // TO-DO
	    	
	        return false;
	    }
	});