January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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5.10. Wrap-Up
In this chapter, you built a Flag Quiz app that tests a user’s ability to correctly identify country flags. A key feature of this chapter was using Fragments to create portions of an Activity’s GUI. You used two activities to display the QuizFragment and the Settings-Fragment when the app was running in portrait orientation, and one Activity to display both Fragments when the app was running on a tablet in landscape orientation—thus, making better use of the available screen real estate. You used a subclass of PreferenceFragment to automatically maintain and persist the app’s settings and a subclass of DialogFragment to display an AlertDialog to the user. We discussed portions of a Fragment’s lifecycle and showed how to use the ...
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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.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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.