Sams Teach Yourself Mac OS® X Lion™ App Development in 24 Hours

Hour 16. Using Alert Panels and Sheets

What you’ll learn in this hour:

• Using Alert Panels

• Using Sheets

This hour is all about informing the user of important events and prompting the user for additional information and to perform additional actions. Often, developers learning a new platform will do things the hard way, without knowing that an easier way exists.

In this hour, you’ll learn about the multitude of situations where you can use the easy alert panel and sheet APIs to quickly and easily prompt users for data and action—all without having to create complicated data entry forms and view controllers. You’ll learn about alert panels and sheets, how to use them, and, most importantly, when to use them.

Using Alert Panels

Alert dialogs ...