April 2020
Intermediate to advanced
528 pages
15h 40m
English
Content preview from iOS Programming: The Big Nerd Ranch Guide, 7th Edition
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1 A Simple iOS Application
In this chapter, you are going to write an iOS application named Quiz (Figure 1.1). This application will show a question and then reveal the answer when the user taps a button. Tapping another button will show the user a new question.
Figure 1.1 Your first application: Quiz
When you are writing an iOS application, you must answer two basic questions:
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How do I get my objects created and configured properly? (Example: “I want a button here that says Next Question.”)
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How do I make my app respond to user interaction? (Example: “When the user taps the button, I want this piece of code to ...
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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.
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.