Chapter 4. Alerting Users
At times, you need to grab your user’s attention. New messages might arrive or the system status might change. You might want to tell your user that there’s going to be a wait before anything more happens—or that the wait is over and it’s time to come back and pay attention. The iPhone offers many ways to provide that heads-up to the user: from alerts and progress bars to audio pings and status bar updates. In this chapter, you discover how to build these indications into your applications and expand your user-alert vocabulary. You’re about to see real-life examples that showcase these classes and discover how to make sure your user pays attention at the right time.
Talking Directly to Your User Through Alerts
UIActionSheet ...
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