-(void)loadWebView
{
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:requestURLStr]];
self.webView.scrollView.scrollEnabled = NO;
self.webView.scrollView.bounces = NO;
[self.webView sizeToFit];
[self.webView.scrollView addObserver:self forKeyPath:@"contentSize" options:NSKeyValueObservingOptionNew context:nil];
[self.webView loadRequest:request];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary*)change context:(void *)context {
if ([keyPath isEqualToString:@"contentSize"]) {
CGSize actualSize = [_webView sizeThatFits:CGSizeZero];
CGRect newFrame = _webView.frame;
newFrame.size.height = actualSize.height;
_webView.frame = newFrame;
}
}
