January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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Answers to Self-Review Exercises
a) Cursor.
b) AsynkTask.
c) getArguments.
d) result set
a) True.
b) False. It’s considered good practice to ensure that Cursor method moveToFirst returns true before attempting to get data from the Cursor.
c) False. It’s good practice to perform long-running operations or operations that block execution until they complete (e.g., file and database access) outside the GUI thread.
d) True.
e) False. A key benefit of using an AsyncTask is that it handles the details of creating threads and executing its methods on the appropriate threads for you, so that you do not have to interact with the threading mechanism directly.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.