Catalog app - pdf preview crashes in iPhone 5s emulator

[lc3t35]

When I click on the "Preview Sample PDF" button, the app crashes with this message :
2017-07-18 18:53:51.432 Cobalt Catalog[8793:1621201] This application is modifying the autolayout engine from a background thread after the engine was accessed from the main thread. This can lead to engine corruption and weird crashes.

- (void) onMessageWithCobaltController: (CobaltViewController *)viewController
                               andData: (NSDictionary *)data {
    NSString * callback = [data objectForKey:kJSCallback];
    NSString * action = [data objectForKey:kJSAction];
    if (action != nil && [action isEqualToString:@"pdf"]) {
        if (DEBUG_COBALT) NSLog(@"PdfPlugin received data %@", data.description);

        // prepare data
        _viewController = viewController;
        // add defined tokens
        _tokens = @[kAPITokenSource,
                    kAPITokenPath,
                    kAPITokenLocal,
                    kAPITokenRemote,
                    kAPITokenTitle,
                    kAPITokenDetail];

        // parse dictionary
        _filedata = [[NSDictionary alloc] initWithDictionary:[self parseDictionary:data]];
        if (_filedata == NULL || _filedata.count == 0) {
            NSLog(@"Error while parsing file datas, check your javascript.");
            return;
        }
        if (DEBUG_COBALT) NSLog(@"PdfPlugin input parsing done: %@", _filedata.description);

        // open Remote Pdf
        NSString *source = [_filedata objectForKey:kAPITokenSource];
        if ([source isEqualToString:kAPITokenRemote]) {
            // get url
            NSURL *url = [NSURL URLWithString:[_filedata objectForKey:kAPITokenPath]];
            // check iOS version
            if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"9.0")) {
                SFSafariViewController *svc = [[SFSafariViewController alloc] initWithURL:url];
                svc.delegate = self;
HERE =======> [viewController presentViewController:svc animated:YES completion:nil];   
            } else if (SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(@"8.9")) { // version 0 to 8.9
                [[UIApplication sharedApplication] openURL:url];
            }
        } else if ([source isEqualToString:kAPITokenLocal]) { // open Local Pdf
            if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"3.2")) {
                [self previewDocument:[_filedata objectForKey:kAPITokenPath]];
            }
            // can't open pdf
        }
        // send callback
        [viewController sendCallback: callback
                            withData: nil];
    }
}

[Doc1faux]

Hi @lc3t35,

That's a known issue on our side that we have not took the time yet to investigate because it's not a Cobalt core feature (i.e. a plugin).

But we will plan to fix it!