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POUIActivityIndicatorView start/stop before & after web-page request
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2009-07-22T02:00:48.500
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Body
I'm using objective-c & the iphone 3.0 sdk I want to retrieve the contents of a URL (web page or pdf) and display it within a <code>UIWebView</code> it seems that the thing to do is something like this: <pre><code>NSURLRequest *requestObject = [NSURLRequest requestWithURL:myURL]; [myUIWebView loadRequest:requestObject]; </code></pre> this works quite well, except for 1 thing. there are cases when the request takes a while (let's say 5-10 seconds). I have a UIActivityIndicatorView that I'd like to "start" and "stop" at the beginning and end of the load request. HOWEVER, if I do this <pre><code>[busySignal startAnimating]; NSURLRequest *requestObject = [NSURLRequest requestWithURL:myURL]; [myUIWebView loadRequest:requestObject]; [busySignal stopAnimating]; </code></pre> it doesn't work because the loadRequest call is done asynchronously and so my UIActivityIndicatorView stops almost immediately Is there a way to start/stop my "busySignal" at the beginning and end of a URL request? As an alternative, I think this can be done via NSURLConnection which gives me the callback function "connectionDidFinishLoading:" but I can't seem to figure out how to go from NSURLConnection to displaying the web-page. So, I guess that's 2 questions. 1. Can you start/stop a UIActivityIndicatorView at the beginning/end of a call to loadRequest: ? 2. How do you use NSURLConnection to retrieve the contents of a URL and display the information on a UIWebView? Thanks!
Tags
<iphone><objective-c><uiwebview>
Title
UIActivityIndicatorView start/stop before & after web-page request
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