Book Image

iOS Programming Cookbook

Book Image

iOS Programming Cookbook

Overview of this book

Do you want to understand all the facets of iOS programming and build complex iOS apps? Then you have come to the right place. This problem-solution guide will help you to eliminate expensive learning curves and focus on specific issues to make you proficient at tasks and the speed-up time involved. Beginning with some advanced UI components such as Stack Views and UICollectionView, you will gradually move on to building an interface efficiently. You will work through adding gesture recognizer and touch elements on table cells for custom actions. You will work with the Photos framework to access and manipulate photos. You will then prepare your app for multitasking and write responsive and highly efficient apps. Next, you will integrate maps and core location services while making your app more secure through various encryption methods. Finally, you will dive deep into the advanced techniques of implementing notifications while working with memory management and optimizing the performance of your apps. By the end of the book, you will master most of the latest iOS 10 frameworks.

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iOS Programming Cookbook
Mar, 2017 | 520 pages
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Table of Contents (22 chapters)
iOS Programming Cookbook
iOS Programming Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Swift Programming Language
Swift Programming Language
Introduction
Using closures to create self-contained code
Creating enumerations to write readable code
Working with protocols and delegates
Using extensions to extend classes functionality
Working with memory management and ARC
Using error handling
Using generics to write generic and reusable code
2
The Essentials
The Essentials
Introduction
Using UIView via code or interface builder to build your own custom views
Working with navigation controller and navigation bar
Working with stack views
Working with UICollectionView
Working with gestures like swipe, pan, rotation, and tap
Using 3D touch
3
Integrating with Messages App
Integrating with Messages App
Introduction
Integrating iMessage app with sticker pack
Integrating iMessage app with iMessage app
4
Working with Interface Builder
Working with Interface Builder
Introduction
Using storyboards
Working with Autolayout and constraints
Designing your interface builder for any size classes in one storyboard
Embedding view controllers using container view
5
Working with UITableView
Working with UITableView
Introduction
Working with scroll view
Using TableView sections, headers and footers
Using custom cells
Resizing table view cells dynamically
Editing table views
6
Animations and Graphics
Animations and Graphics
Introduction
Drawing text, images, lines, rectangles, and gradients
Animating shapes drawn with UIBezierPath
Animating UIViews
7
Multimedia
Multimedia
Introduction
Working with audio capabilities
Playing videos
Capturing photos and videos
Using filters with CoreImage
8
Concurrency
Concurrency
Introduction
Using Dispatch queues
Using Operation queues
Using Operation subclassing
9
Location Services
Location Services
Introduction
Detecting user location
Displaying pins in map view
Getting directions between locations
Working with geofencing
10
Security and Encryption
Security and Encryption
Introduction
Using Touch ID for user authentication
Working with Keychain
Encryption
11
Networking
Networking
Introduction
Using NSURLSession API for network connections
Parsing JSON data
Social sharing
12
Persisting Data with Core Data
Persisting Data with Core Data
Introduction
Designing data models
Reading and inserting records to Core Data
Updating and deleting records from Core Data
13
Notifications
Notifications
Introduction
Setting up Push Notifications
Setting up a local server to send Push Notifications
Working with interactive Push Notifications
Working with local notifications
14
App Search
App Search
Introduction
App indexing using NSUserActivity
App indexing using Core Spotlight APIs
15
Optimizing Performance
Optimizing Performance
Introduction
Memory management with ARC
Measuring performance
Measuring energy impact
On-demand resources

Using TableView sections, headers and footers

Starting from this section, we will talk about UITableView. One of the kings' UI controllers in iOS which is used heavily in most of iOS apps. It manages a list of cells with scrolling capability because its superclass is UIScrollView. UITableView helps you to display, organize, categorize, add, delete, and update cells with easy-to-use APIs. In this section, we will see how to organize your cells in sections. We will see how to add headers and footers to your section using the header titles or custom views.

Getting ready

Before getting started in a sample demo to see how to organize your sections and deal with headers and footers, ensure that you have used UITableView before even if in a simple demo, to see how to use its delegate and data source. We will now build a demo app showing how to manage cells in sections and add headers and footers.

How to do it...

  1. Let's start, as usual, by creating a new project with the Single View Application template...

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