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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Challenge: Saving State
Figure out how to persist your boxes across orientation changes from within your View. This can be done with the following View methods:
protected Parcelable onSaveInstanceState()
protected void onRestoreInstanceState(Parcelable state)
These methods do not work like Activity and Fragment’s onSaveInstanceState(Bundle). First, they will only be called if your View has an ID. Second, instead of taking in a Bundle, they return and process an object that implements the Parcelable interface. We recommend using a Bundle as the Parcelable instead of implementing a Parcelable class yourself. (Implementing the Parcelable interface is complicated. It is better to avoid doing so when possible.)
Finally, you must ...
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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.