editSearch.setOnEditorActionListener(new editActionListener());

class editActionListener implements TextView.OnEditorActionListener {

    @Override

    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {

        if (actionId == EditorInfo.IME_ACTION_SEARCH) {

            ((InputMethodManager) editSearch.getContext().getSystemService(Context.INPUT_METHOD_SERVICE))

                    .hideSoftInputFromWindow(

                            mActivity.getCurrentFocus().getWindowToken(),

                            InputMethodManager.HIDE_NOT_ALWAYS);

            这里可以操作你要的东东。。。。。。。return true;

        }

        return false;

    }

}