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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For the More Curious: Singletons
The singleton pattern, as used in the CrimeLab, is very common on Android. Singletons get a bad rap because they can be misused in a way that makes an app hard to maintain.
Singletons are often used in Android because they outlive a single fragment or activity. A singleton will still exist across rotation and will exist as you move between activities and fragments in your application.
Singletons make a convenient owner of your model objects. Imagine a more complex CriminalIntent application that had many activities and fragments modifying crimes. When one controller modifies a crime, how would you make sure that updated crime was sent over to the other controllers? If the CrimeLab is the owner of ...
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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.