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 Toggle Button
Coding the toggle button is relatively easy, if not somewhat tedious. It is easy because you need only to enable or disable the interface. It is tedious because each widget that the user could interact with must be enabled or disabled separately. The ToggleButton's functionality requires the creation of three methods. One method will initialize the button to respond to the user. A second method will enable all the data entry widgets, and the third will disable all the widgets. First enter the code in Listing 4.9 after the navigation bar button code to initialize the ToggleButton. Remember to import any items underlined in red.
Listing 4.9 ToggleButton Initialization Method
private void initToggleButton() ...
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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.