UISwitch setOn(:, animated:) does not work as document

Question

As Apple\'s document write, UISwitch\'s function setOn(on: Bool, animated: Bool) does not send action. It works fine before iOS 10, but it will send ac

Answer 1

The following solution resolves that issue. You should dispatch_async only if trying to call [UISwitch setOn:] within the action callback of that switch itself.

dispatch_async(dispatch_get_main_queue(), ^{

    [switch setOn:YES animated:YES];
});