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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DetailsFragment Overridden Methods onAttach and onDetach
Class DetailsFragment overrides Fragment lifecycle methods onAttach and onDetach (Fig. 8.44) to set instance variable listener when the DetailsFragment is attached and detached, respectively.
45 // set DetailsFragmentListener when fragment attached46 @Override47 public void onAttach(Activity activity)48 {49 super.onAttach(activity);50 listener = (DetailsFragmentListener) activity;51 }52 53 // remove DetailsFragmentListener when fragment detached54 @Override55 public void onDetach()56 {57 super.onDetach();58 listener = null;59 }60
Fig. 8.44 | DetailsFragment overridden methods ...
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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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