OpenUrl freezes app for over 10 seconds

Question

I\'m currently developing an App, that needs to open a browser to display a webpage. To do that i use the [UIApplication sharedApplication] openURL method with

Answer 1

I found it will get better to use this since iOS 10.

dispatch_async(dispatch_get_main_queue(), ^{
    if ([[[[UIDevice currentDevice] systemVersion] componentsSeparatedByString:@"."].firstObject integerValue] < 10) {
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:..."]];
    } else {
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:..."] options:@{} completionHandler:^(BOOL success) {

        }];
    }
});