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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Overridden Fragment Lifecycle Methods onAttach and onDetach
When the ColorDialogFragment is added to a parent Activity, method onAttach (Fig. 7.37, lines 88–96) is called. Line 92 gets a reference to the DoodleFragment. If that reference is not null, line 95 calls DoodleFragment’s setDialogOnScreen method to indicate that the Choose Color dialog is now displayed. When the ColorDialogFragment is removed from a parent Activity, method onDetach (lines 99–107) is called. Line 106 calls DoodleFragment’s setDialogOnScreen method to indicate that the Choose Color dialog is no longer on the screen.
87 // tell DoodleFragment that dialog is now displayed88 @Override89 public void onAttach(Activity activity) ...
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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.
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