禁用Android WebView/WebViewClient启动的favicon.ico请求 [英] Disable Android WebView/WebViewClient Initiated favicon.ico Request

问题描述

当我调用WebView.loadUrl()时，如何禁止Android WebView/WebViewClient发送对favicon.ico的请求?我可以看到通过CharlesProxy对请求进行概要分析时正在进行呼叫.

How can I disable the Android WebView/WebViewClient from sending out a request for favicon.ico when I call WebView.loadUrl()? I can see the call being made while profiling requests via CharlesProxy.

我不拥有要在WebView中显示的HTML内容.我的研究从服务器方面获得了许多变通办法的结果，但这些对我不起作用.

I do not own the HTML content that I am displaying in the WebView. My research has turned up a lot of results on workarounds from the server side but these won't work for me.

推荐答案

对我来说，完整的解决方案是:

for me the complete solution was:

   @Override
    public WebResourceResponse shouldInterceptRequest(WebView view, String url) {

        if(url.toLowerCase().contains("/favicon.ico")) {
            try {
                return new WebResourceResponse("image/png", null, null);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        return null;
    }

    @Override
    @SuppressLint("NewApi")
    public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {

        if(!request.isForMainFrame() && request.getUrl().getPath().endsWith("/favicon.ico")) {
            try {
                return new WebResourceResponse("image/png", null, null);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        return null;
    }

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