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I am trying to use this However that gives me error .

etSearch.setOnEditorActionListener(new TextView.OnEditorActionListener() {
    @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        if (actionId == EditorInfo.IME_ACTION_SEARCH) {
            index = 0;
            offset = 20;
            sr_id = etSearch.getText().toString();
            if (sr_id.length()>0)
            { performSearch();
            }
            else {
                sr_id="";
                performSearch();
            }
            return true;
        }
        return false;
    }
});