Android接收扫码数据

xx

    @Override
    public boolean dispatchKeyEvent(KeyEvent event) {
        if (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
            String retStr = this.getLastScanCodeString();
            if (!StringUtil.isEmpty(retStr)) {
                //扫码数据 retStr
            }
        }
        return super.dispatchKeyEvent(event);
    }