mEtFhsSearch.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if (actionId == EditorInfo.IME_ACTION_DONE) {

                    String s1 = mEtFhsSearch.getText().toString().trim();
//do you want do
                    return true;
                }
                return false;
            }
        });