How to dismiss UIAlertController when tap outside the UIAlertController?
问题 How to dismiss UIAlertController when tap outside the UIAlertController ? I can add a UIAlertAction of style UIAlertActionStyleCancel to dismiss the UIAlertController . But I want to add the function that when user tap outside the UIAlertController the UIAlertController will dismiss. How to do that? Thank you. 回答1: Add a separate cancel action with style UIAlertActionStyleCancel . So that when user taps outside, you would get the callback. Obj-c UIAlertController *alertController =