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randomsequence/gist:4706340

Created February 4, 2013 11:57
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UIWebView: Obtaining a return value from - [UIWebView stringByEvaluatingJavaScriptFromString:]
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gistfile1.m
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320.0, 480.0)];
webView.delegate = self;
[webView loadHTMLString:@"<html></html>" baseURL:[[NSBundle mainBundle] bundleURL]];
#pragma mark - UIWebViewDelegate
- (void)webViewDidFinishLoad:(UIWebView *)webView {
NSString *script = @"(function(){return 'Hi, how are you?';})();";
NSString *returnValue = [webView stringByEvaluatingJavaScriptFromString:script];
NSLog(returnValue); // Hi, how are you?
}
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