January 2017
Beginner to intermediate
624 pages
22h 42m
English
book
Android Programming: The Big Nerd Ranch Guide, Third Edition
by Bill Phillips, Chris Stewart, Kristin Marsicano
Content preview from Android Programming: The Big Nerd Ranch Guide, Third Edition
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FragmentStatePagerAdapter vs FragmentPagerAdapter
There is another PagerAdapter type that you can use called FragmentPagerAdapter. FragmentPagerAdapter is used exactly like FragmentStatePagerAdapter. It only differs in how it unloads your fragments when they are no longer needed.
With FragmentStatePagerAdapter, your unneeded fragment is destroyed (Figure 11.4). A transaction is committed to completely remove the fragment from your activity’s FragmentManager. The “state” in FragmentStatePagerAdapter comes from the fact that it will save out your fragment’s Bundle from onSaveInstanceState(Bundle) when it is destroyed. When the user navigates back, the new fragment will be restored using that instance state.
Figure 11.4 FragmentStatePagerAdapter ...
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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.