January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second EditionBecome 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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ContactListFragment Overridden Methods onAttach and onDetach
Class ContactListFragment overrides Fragment lifecycle methods onAttach and onDetach (Fig. 8.26) to set instance variable listener. In this app, listener refers to the host Activity (line 42) when the ContactListFragment is attached and is set to null (line 50) when the ContactListFragment is detached.
37 // set ContactListFragmentListener when fragment attached38 @Override39 public void onAttach(Activity activity)40 {41 super.onAttach(activity);42 listener = (ContactListFragmentListener) activity;43 }44 45 // remove ContactListFragmentListener when Fragment detached46 @Override47 public void onDetach() ...
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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.