how to load NSData to UIWebView without creating a binary file first

Question

Some help needed, please:

I have an NSData ready with bytes (it's an RTF formatted text).

I'd like to be able to load the said NSData into a UIWebView without having to create a binary file first, so in other words without having to do this:

[UIWebView loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"test" ofType:@"rtf"]isDirectory:NO]]]; }

I need to call this many times, so I'd like to avoid saving NSData into a binary file every time. Thank you.

Well, I mean, a format that a WebView can accept directly with no modification...I've never tried an RTF file but you can try the post in my answer. — borrrden
– borrrden, Commented Jun 8, 2012 at 1:18

Community · Accepted Answer · 2017-05-23 11:43:51Z

3

Use loadData:MIMEType:textEncodingName:baseURL:

[webView loadData:data MIMEType:@"application/rtf" textEncoding:NSUTF8StringEncoding baseURL:someURL];

You generally need to provide some kind of URL as the baseURL, but it doesn't deeply matter what you use if there are no relative links. (See loadHTMLString baseURL:nil not working in iOS5 for more discussion on that.)

edited May 23, 2017 at 11:43

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answered Jun 8, 2012 at 1:41

Rob Napier

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1 Comment

borrrden Over a year ago

Oh! Excellent! I didn't know about this method. You win ^^;

borrrden · Accepted Answer · 2012-06-08 01:14:18Z

2

I'm going to assume that your NSData just contains HTML string data. In that case you can do the following:

//Use whatever encoding, I assume UTF8
NSString *html = [[NSString alloc] initWithData:yourData encoding:NSUTF8StringEncoding];
[yourWebView loadHTMLString:html baseURL:pathToYourHtml];
[html release]; //Not needed in ARC

answered Jun 8, 2012 at 1:14

borrrden

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