Proper way to load in html file from resources into UIWebView?

Question

I thought it would be easy to load in a html file from my resources into a UIWebView, but it looks like it requires something extra that I'm not doing. So far I have in my viewDidLoad in my controller:

NSURL *url = [NSURL URLWithString:@"radialGradient.html"];
NSURLRequest *req = [NSURLRequest requestWithURL:url];
[webView loadRequest:req];

webView.frame = CGRectMake(0, 0, 768, 1024);

I've tried regular web addresses (google.com) and it works fine. But with the file in my sources it just renders a white blank screen.

Michael Dautermann · Accepted Answer · 2011-11-14 19:46:21Z

7

Two things:

1)

What you have now is not a URL. It's just a filename. You need to be prepending a "file:///" in front of that radialGradient.html.

2)

And, you'll likely also need to put in a resolvable path to radialGradient.html Right now your app doesn't know where to look for it.

Something like:

NSURL * resourcePathURL = [[NSBundle mainBundle] resourceURL];
if(resourcePathURL)
{
    NSURL * urlToLoad = [resourcePathURL URLByAppendingPathComponent: @"radialGradient.html"];
    if(urlToLoad)
    {
        NSURLRequest * req = [NSURLRequest requestWithURL: urlToLoad];
        [webView loadRequest: req];
    }
}

edited Nov 14, 2011 at 19:46

answered Nov 14, 2011 at 19:29

Michael Dautermann

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3 Comments

Chewie The Chorkie Over a year ago

Thanks for your reply. I tried adding "file:///" or "file://" and "file://Resources" with no luck. (whole path is @"file://Resources/radialGradient.html")

Michael Dautermann Over a year ago

I was trying to nudge you along the path to a solution instead of just handing it all over :-) I have changed my answer to include source code you can use.

Chewie The Chorkie Over a year ago

Okay thanks! I'll read this through and see why it is needed. Thanks again

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