Android:在WebView中获取网页源码

import android.app.Activity;import android.graphics.Bitmap;import android.os.Bundle;import android.util.Log;import android.webkit.WebView;import android.webkit.WebViewClient;public class HtmlSource extends Activity {    private WebView webView;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        webView = (WebView)findViewById(R.id.webview);        webView.getSettings().setJavaScriptEnabled(true);        webView.addJavascriptInterface(new InJavaScriptLocalObj(), "local_obj");        webView.setWebViewClient(new MyWebViewClient());        webView.loadUrl("http://www.cnblogs.com/hibraincol/");    }           final class MyWebViewClient extends WebViewClient{          public boolean shouldOverrideUrlLoading(WebView view, String url) {               view.loadUrl(url);               return true;           }          public void onPageStarted(WebView view, String url, Bitmap favicon) {            Log.d("WebView","onPageStarted");            super.onPageStarted(view, url, favicon);        }            public void onPageFinished(WebView view, String url) {            Log.d("WebView","onPageFinished ");            view.loadUrl("javascript:window.local_obj.showSource('<head>'+" +                    "document.getElementsByTagName('html')[0].innerHTML+'</head>');");            super.onPageFinished(view, url);        }    }        final class InJavaScriptLocalObj {        public void showSource(String html) {            Log.d("HTML", html);        }    }}

原文转载于（Braincol的博客园）：http://www.cnblogs.com/hibraincol/archive/2011/10/26/2224866.html

关键之处在于：

view.loadUrl("javascript:window.local_obj.showSource('<head>'+document.getElementsByTagName('html')[0].innerHTML+'</head>');");

运行，可以看到在showSource(String html)中打印了网页源码。

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