O'Reilly logo

Xcode 4 iOS Development by Steven F. Daniel

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Generating alerts

There is no doubt that you will need to incorporate alerts into your applications. These can be very useful to inform the user of when the application is running, and can be a simple message such as memory running low, or that an application or internal error has occurred. We can notify the user in a number of ways using the UIAlertView class, and it can be used to display a simple modal message or gather information from the user.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required