July 2015
Beginner to intermediate
600 pages
18h 59m
English
book
Android Programming: The Big Nerd Ranch Guide, 2nd Edition
by Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano
Content preview from Android Programming: The Big Nerd Ranch Guide, 2nd Edition
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12 Dialogs
Dialogs demand attention and input from the user. They are useful for presenting a choice or important information. In this chapter, you will add a dialog in which users can change the date of a crime. Pressing the date button in CrimeFragment will present this dialog on Lollipop (Figure 12.1).
Figure 12.1 A dialog for picking the date of a crime
The dialog in Figure 12.1 is an instance of AlertDialog, a subclass of Dialog. AlertDialog is the all-purpose Dialog subclass that you will use most often.
When Lollipop was released, dialogs were given a visual makeover. AlertDialogs on Lollipop automatically ...
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