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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Rotation and Object Continuity
Now you are a good citizen, which is nice. Unfortunately, your app no longer handles rotation correctly. Try playing the 69_ohm-loko sound and rotating the screen: the sound will stop abruptly. (If it does not, make sure you have built and run the app with your recent onDestroy() implementation.)
Here is the problem: on rotation, the BeatBoxActivity is destroyed. As this happens, the FragmentManager destroys your BeatBoxFragment, too. In doing that, it calls BeatBoxFragment’s waning lifecycle methods: onPause(), onStop(), and onDestroy(). In BeatBoxFragment.onDestroy(), you call BeatBox.release(), which releases the SoundPool and stops sound playback.
You have seen how Activity and Fragment instances ...
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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.