- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
	NSURL * newUrl = [request URL];
	NSString * scheme = [[newUrl scheme] lowercaseString];
	if ([scheme hasPrefix:@"http"] || [scheme hasPrefix:@"app"] || [scheme hasPrefix:@"file"] || [scheme hasPrefix:@"ftp"])
	{
		/* Start PDF Anzeige abfangen */
		NSString *urlExtension = newUrl.absoluteString;
		NSArray *urlChunks = [urlExtension componentsSeparatedByString: @"."];
		urlExtension = [urlChunks lastObject];
		if ([urlExtension isEqualToString:@"pdf"]) {
			if (webView.scalesPageToFit) {
				return YES;
			}
			if ([self.proxy _hasListeners:@"loadPdf"]) {
				NSDictionary *event = newUrl == nil ? nil : [NSDictionary dictionaryWithObject:[newUrl absoluteString] forKey:@"url"]; [self.proxy fireEvent:@"loadPdf" withObject:event];
			}
			return NO;
		}

		return YES;
	}

	UIApplication * uiApp = [UIApplication sharedApplication];

	if ([uiApp canOpenURL:newUrl])
	{
		[uiApp openURL:newUrl];
		return NO;
	}

	//It's likely to fail, but that way we pass it on to error handling.
	return YES;
}