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
Content preview from Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and AndroidBecome 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,
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.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.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.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.
Adding Long Press to Enabled Text Field
The UIResponder class is responsible for all the events that happen in the user interface of iOS apps. It is the superclass of UIApplication and UIView, and thus, all of their subclasses, including UITextField. One of the methods in UIResponder is canPerformAction:withSender:, which is implemented in the subclasses of UIResponder to allow them to specify whether they can perform a particular action. In UITextField, the action that is relevant to be carried out is to begin editing the text field. Normally, canPerformAction:withSender: will return YES for UITextField. However, if the txtPhone field would return NO when it is in view mode, it could be kept enabled but still not allow editing. By creating a ...
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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.