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    <p>With <a href="https://stackoverflow.com/questions/4488338/webview-android-proxy">WebView android proxy</a> configuration, for basic scheme preemptive proxy authentication,</p> <p>Starting from Android 2.2, the extra header can be set for authentication. The following can add a header for <code>webView</code>'s http request:</p> <pre><code> public void loadUrl(WebView view, String url, String proxyUserName, String proxyPassword){ UsernamePasswordCredentials creds= new UsernamePasswordCredentials(proxyUserName, proxyPassword); Header credHeader = BasicScheme.authenticate(creds, "UTF-8", true); Map&lt;String, String&gt; header = new HashMap&lt;String, String&gt;(); header.put(credHeader.getName(), credHeader.getValue()); view.loadUrl(url, header); } </code></pre> <p>For older version, the preemptive proxy authentication can be set on <code>mProxyUserName</code> and <code>mProxyPassword</code> in <code>android.webkit.Network</code> by reflection:</p> <pre><code>public void loadUrl(WebView view, String url, String proxyUserName, String proxyPassword){ try{ Class networkClass = Class.forName("android.webkit.Network"); if (networkClass != null) { Object networkObj = invokeMethod(networkClass, "getInstance", new Object[]{view.getContext()}, Context.class); if (networkObj != null) { Field mProxyUserName = obj.getClass().getDeclaredField("mProxyUserName"); mProxyUserName.setAccessible(true);mProxyUserName.set(networkObj, proxyUserName); Field mProxyPassword = obj.getClass().getDeclaredField("mProxyPassword"); mProxyPassword.setAccessible(true);mProxyPassword.set(networkObj, proxyPassword); } } }catch(Exception e){ e.printStackTrace(); } view.loadUrl(url); } </code></pre> <p>When you load a new url, both <code>loadUrl()</code> must need to call again. That is very important. Therefore, a custom <code>WebViewClient</code> should be used to override <code>shouldOverrideUrlLoading(WebView view, String url)</code> </p> <pre><code>class ProxyAuthWebViewClient extends WebViewClient { String proxyUserName; String proxyPassword; public ProxyAuthWebViewClient(String proxyUserName, String proxyPassword){ this.proxyUserName = proxyUserName; this.proxyPassword = proxyPassword; } @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { loadUrl(view, url, proxyUserName, proxyPassword); return true ; } } </code></pre> <p>And set the WebViewClient on your webView:</p> <pre><code>webView.setWebViewClient(new ProxyAuthWebViewClient("user", "password")); </code></pre>
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    1. POAndroid WebView - with authenticated proxy
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    1. USYeung
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    1. CO@Yueng thanks god one has worked at last... thanks a lot!
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