Save content of UIWebView

I am working on an app and I need to save the content of UIWebView.

I currently Use stringByEvaluatingJavaScriptFromString:@"document.getElementsByTagName('html')[0].innerHTML" to get the html of the UIWebView, but the problem with this method is that it does not save the full content of some webpages.

开发者_开发知识库

So my question is How do you save the full content of a webpage including images and css

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I think there is already a thread about this topic here:

iphone uiwebview download complete page with CSS and Images

Hope that helps.