将自定义标头添加到WebView资源请求

尝试

loadUrl(String url, Map<String, String> extraHeaders)

要将标头添加到资源加载请求中，请定制WebViewClient并重写：

API 24+:WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request)orWebResourceResponse shouldInterceptRequest(WebView view, String url)