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POhow to get html content from a webview?
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  1. POhow to get html content from a webview?
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    copied!<p>Which is the simplest method to get html code from a webview? I have tried several methods from stackoverflow and google, but can't find an exact method. Please mention an exact way.</p> <pre><code>public class htmldecoder extends Activity implements OnClickListener,TextWatcher { TextView txturl; Button btgo; WebView wvbrowser; TextView txtcode; ImageButton btcode; LinearLayout llayout; int flagbtcode; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.htmldecoder); txturl=(TextView)findViewById(R.id.txturl); btgo=(Button)findViewById(R.id.btgo); btgo.setOnClickListener(this); wvbrowser=(WebView)findViewById(R.id.wvbrowser); wvbrowser.setWebViewClient(new HelloWebViewClient()); wvbrowser.getSettings().setJavaScriptEnabled(true); wvbrowser.getSettings().setPluginsEnabled(true); wvbrowser.getSettings().setJavaScriptCanOpenWindowsAutomatically(true); wvbrowser.addJavascriptInterface(new MyJavaScriptInterface(),"HTMLOUT"); //wvbrowser.loadUrl("http://www.google.com"); wvbrowser.loadUrl("javascript:window.HTMLOUT.showHTML('&lt;html&gt;'+document.getElementsByTagName('html')[0].innerHTML+'&lt;/html&gt;');"); txtcode=(TextView)findViewById(R.id.txtcode); txtcode.addTextChangedListener(this); btcode=(ImageButton)findViewById(R.id.btcode); btcode.setOnClickListener(this); } public void onClick(View v) { if(btgo==v) { String url=txturl.getText().toString(); if(!txturl.getText().toString().contains("http://")) { url="http://"+url; } wvbrowser.loadUrl(url); //wvbrowser.loadData("&lt;html&gt;&lt;head&gt;&lt;/head&gt;&lt;body&gt;&lt;div style='width:100px;height:100px;border:1px red solid;'&gt;&lt;/div&gt;&lt;/body&gt;&lt;/html&gt;","text/html","utf-8"); } else if(btcode==v) { ViewGroup.LayoutParams params1=wvbrowser.getLayoutParams(); ViewGroup.LayoutParams params2=txtcode.getLayoutParams(); if(flagbtcode==1) { params1.height=200; params2.height=220; flagbtcode=0; //txtcode.setText(wvbrowser.getContentDescription()); } else { params1.height=420; params2.height=0; flagbtcode=1; } wvbrowser.setLayoutParams(params1); txtcode.setLayoutParams(params2); } } public class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } /*@Override public void onPageFinished(WebView view, String url) { // This call inject JavaScript into the page which just finished loading. wvbrowser.loadUrl("javascript:window.HTMLOUT.processHTML('&lt;head&gt;'+document.getElementsByTagName('html')[0].innerHTML+'&lt;/head&gt;');"); }*/ } class MyJavaScriptInterface { @SuppressWarnings("unused") public void showHTML(String html) { txtcode.setText(html); } } public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } public void onTextChanged(CharSequence s, int start, int before, int count) { wvbrowser.loadData("&lt;html&gt;&lt;div"+txtcode.getText().toString()+"&gt;&lt;/div&gt;&lt;/html&gt;","text/html","utf-8"); } } </code></pre>
 

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