Android7.0以上加载webView点击按钮无反应

      @Override
        public boolean shouldOverrideUrlLoading(WebView view,         
              WebResourceRequest request) {
              //                view.loadUrl(url);
              //                return true;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                view.loadUrl(request.getUrl().toString());
            } else {
                view.loadUrl(request.toString());
            }
            return true;
        }