October 2011
Beginner
700 pages
16h 50m
English
book
The iOS 4 Developer’s Cookbook: Core Concepts and Essential Recipes for iOS Programmers
by Erica Sadun
Content preview from The iOS 4 Developer’s Cookbook: Core Concepts and Essential Recipes for iOS ProgrammersBecome 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.
7. Working with Images
On iOS, images and views have distinct roles. Unlike views, images have no onscreen presence. Although views can use and display images, they are not themselves images, not even UIImageView objects, which have the word image in their class name. Images are abstract representations of pictures, storing the data that makes up those pictures. This chapter leaves views to the side and focuses just on images. It introduces Cocoa Touch images, specifically the UIImage class, and teaches you all the basic know-how you need for working with image data on the iOS. In this chapter, you’ll learn how to load, store, and modify image data in your applications. You’ll see how to add images to views and how to convert views into images. ...
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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.