March 2013
Beginner to intermediate
580 pages
16h 11m
English
Content preview from Android Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Reloading the List
There is one more detail to take care of. Run CriminalIntent, click a list item, and then modify that Crime’s details. These changes are saved to the model, but when you return to the list, the list view is unchanged.
The list view’s adapter needs to be informed that the data set has changed (or may have changed) so that it can refetch the data and reload the list. You can work with the ActivityManager’s back stack to reload the list at the right moment.
When CrimeListFragment starts an instance of CrimeActivity, the CrimeActivity is put on top of the stack. This pauses and stops the instance of CrimeListActivity that was initially on top.
When the user presses the Back button to return to the list, the CrimeActivity is ...
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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.