December 2013
Intermediate to advanced
464 pages
14h 46m
English
book
Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and Android
by Jakob Iversen, Michael Eierman
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Code the Page’s Behavior
The settings activity’s function is relatively simple. When a user presses one of the choices, that value is stored as a key/value pair in SharedPreferences. When the page is accessed, the activity reads the stored preferences and sets the RadioButtons to the stored value. The value stored in a SharedPreferences is used in ContactListActivity to sort the list of saved contacts.
Open the ContactSettingsActivity.java file and complete the following steps:
1. Copy the ImageButton initialization methods from the ContactActivity.java to the ContactSettingsActivity.java file so that the navigation bar will work. These methods are initMapButton(), initListButton(), and initSettingsButton(). Paste this code before the last
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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.