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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15 Implicit Intents
In Android, you can start an activity in another application on the device using an implicit intent. In an explicit intent, you specify the class of the activity to start, and the OS will start it. In an implicit intent, you describe the job that you need done, and the OS will start an activity in an appropriate application for you.
In CriminalIntent, you will use implicit intents to enable picking a suspect for a Crime from the user’s list of contacts and sending a text-based report of a crime. The user will choose a suspect from whatever contacts app is installed on the device and will be offered a choice of apps to send the crime report (Figure 15.1).
Figure 15.1 Opening contacts app and a text-sending ...
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