Home/ Questions/Q 8084285
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-06-05T17:44:48+00:00

I have problem with UIWebView delay when the load image from url. In my

  • 0

I have problem with UIWebView delay when the load image from url.

In my code are lines to load local html file:

NSBundle *thisBundle = [NSBundle mainBundle];
NSString *path = [thisBundle pathForResource:@"detail" ofType:@"html"];
NSString *html = [NSString stringWithContentsOfFile:path];
NSString *htmlString = [NSString stringWithFormat:html, imageURL];
[webView loadHTMLString:htmlString baseURL:nil];

and one of lines in my detail.html file:

<img src="%@" height="100%" alt="…"></img>

And now when I push the button and go to UIWebView, at first it is white and after few seconds show image and text.
I know that time is necessary to load image from URL, but is it possible at first show text and next waiting to load image??

Generally I thinking of: push button -> go to UIWebView -> show text -> show image when it’s loaded

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    With the help of Martin H, I managed to solve the problem.

    First in my local.html file, I was add in <head> section:

    <script type="text/javascript">
    function loadImage(imageSource) {
         document.getElementById("picture").src=imageSource;
    }
</script>

    next in <body> section:

    <img src="" style="border: none;" id="picture">

    and next in my UIViewController I was add delegate method:

    - (void) webViewDidFinishLoad:(UIWebView *)web {
    [webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"loadImage('http://example.com/image.jpg')"]];
}
    • 0