Objective C: Show online image on iPhone

- (void)loadImage:(NSString*)url frame:(CGRect)frame {
NSString* textHTML = @"
<!--
body {
background-color: transparent;
color: white;
}
-->
<img src="\" alt="" width="%0.0f" height="%0.0f" />
";
 
NSString* html = [NSString stringWithFormat:textHTML, url, frame.size.width, frame.size.height];
 
if(webView == nil) {
webView = [[UIWebView alloc] initWithFrame:frame];
[self.view addSubview:webView];
}
 
[webView loadHTMLString:html baseURL:nil];
}