In apps that run in versions of iOS prior to iOS 8, use the
UIAlert class to display an alert message to the user. An alert view functions similar to but differs in appearance from an action sheet (an instance of
- iOS 2.0–9.0Deprecated
Using an Alert View
Use the properties and methods defined in this class to set the title, message, and delegate of an alert view and configure the buttons in apps that run in versions of iOS prior to iOS 8. You must set a delegate if you add custom buttons. The delegate should conform to the
UIAlert protocol. Use the
show() method to display an alert view after it is configured.
UIAlert class is intended to be used as-is and does not support subclassing. The view hierarchy for this class is private and must not be modified.