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CHAPTER 2
Container Views
Auxiliary Views 2-17
In the absence of a take-action button, a Close box means simply, “I’m done
with this task.”
Close boxes and text buttons are covered in Chapter 3, “Controls.” Input
fields follow the guidelines given in Chapter 6, “Data Input.”
Notification Alerts 2
An application uses a particular type of auxiliary view, a notification alert,
to provide messages about error conditions, warn users about potentially
undesirable situations or actions, and announce alarms. Use a notification
alert to convey information that is useful to the user but doesn’t present any
threat such as a loss of data.
The notification alert’s wavy black border visually distinguishes it from
operational slips. A user responds to a notification alert by tapping its
Close box, thereby acknowledging the message and putting away the slip.
Figure 2-16 shows a notification alert.
Figure 2-16 A notification alert tells the user something important
Some notification alerts have a Snooze button, which enables a user to
temporarily dismiss the alert. The alert reappears after an interval of time
chosen by the user. For example, this is the type of notification alert the
built-in Date Book application uses for its reminder alarms. Figure 2-17
shows a notification alert with a Snooze button (for more information, see
“Alarms” on page 8-4.).