Dynamic create UIWebView

CGRect webFrame = CGRectMake(0.0, 0.0, 400.0, 460.0);
UIWebView *webView = [[UIWebView alloc] initWithFrame:webFrame];
[webView setBackgroundColor:[UIColor greenColor]];
webView.scalesPageToFit = YES;    // setting scales page to fit

NSString* htmlString = [NSString stringWithContentsOfFile:finalPath encoding:NSUTF8StringEncoding error:nil];

[webView loadHTMLString:htmlString baseURL:nil];
[self.view addSubview:webView];