Swift recipes for iOS developers : real-life code from App Store apps / Alexander Nekrasov.
Nekrasov, Alexander, author.
2022
QA76.73.S95
Available Online

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Title Swift recipes for iOS developers : real-life code from App Store apps / Alexander Nekrasov.
Author Nekrasov, Alexander, author.
Edition [First edition].
ISBN 9781484280980 (electronic bk.)
1484280989 (electronic bk.)
9781484280973
1484280970
DOI https://doi.org/10.1007/978-1-4842-8098-0
Published New York, NY : Apress, [2022]
Language English
Description 1 online resource (366 pages) : illustrations
Item Number 10.1007/978-1-4842-8098-0 doi
Call Number QA76.73.S95
Dewey Decimal Classification 005.4/32
Summary Boost your iOS developer career by learning from real-life examples and start writing code for one of the most successful platforms ever. No matter if you're an experienced developer or just a beginner, you'll find something new and something useful for your future projects here. All of the recipes in this book are taken from real-life commercial projects that have been approved by Apple and published on the App Store. You won't write "Hello, world!" and similar programs. Instead you'll see how to parse different data formats; run JavaScript code right inside your iOS app; and enhance storyboard editor with several simple extensions. You'll make beautiful modern-looking dialogs with blurs, shadows and rounded corners using only a few lines of code, and safely convert data after analyzing text strings. Go on to animate your layout and get your app shored up to crash as little as possible Each recipe offers a code snippet to copy and paste to your project as a tool to boost your knowledge, as well as, create plug-and-play features. Each of recipe shows the description for each line of code while explaining the logic of it, contains references to documentation, and gives you an opportunity to modify or write something similar that fits your project better. A good piece of code should not work but also be short, clear, and stable. And that combo will be our priority in these code recipes. Well-written code snippets must run in any environment and be easily transferrable from one project to another. Most of the provided recipes will migrate from one project to another with little to no changes at all, and with years of real-world application have proven themselves to be useful and stable. Dive into the world of iOS development and write clear, functioning, and safe Swift code! What You'll Learn Parse, convert, and print Swift data Develop stunning UIs quickly Write effective and portable Swift extensions Make your code cleaner and safer Who This Book Is For Beginners in iOS development who want to improve their skills with real-life examples. Developers switching to mobile development from other areas. All iOS developers looking for code recipes.
Note Includes index.
Access Note Access limited to authorized users.
Available in Other Form Print version: 9781484280973
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Intro
Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
How to Use This Book
Chapter 1: Working with Data
Conversion Between Data Types
Safe Number Conversion
Conversion from Number to String and Back
Boolean Conversions
String to Data and Back
Dates, Timestamps, and ISO 8601 Format
Extracting Data from Dictionaries and Arrays
Complex Data Types
Extracting Data from Dictionary
Extracting Data from Array
Summary
Chapter 2: Working with JSON and Other Popular Formats
How Devices Exchange Data

What Are Serialization and Deserialization
Working with JSON
Parsing JSON to Dictionary or Array
Generating JSON from Dictionary or Array
Working with XML
Parsing XML
Generating XML
Working with YAML
URL-Encoded Strings
Serialization and Deserialization
Serializing an Object
Deserializing an Object
Coding Keys
Using @propertyWrapper
Unit Conversion
Distance and Length Units
Area Units
Volume Units
Weight Units
Summary
Chapter 3: Working with Strings
Analyzing String Content
First, Last, and Other Names
Email Address
Password

Phone Number
Gender
Date of Birth
Credit Card Information
Base64 and Hex Encoding
Base64 Encoding
Hex Encoding
MD5, SHA, and Other Hashes
MD5 Hash
SHA Hashes
Hashable Protocol and Swift Hashes
Salt
Integer Indexing
Localization
NSLocalizedString Macro
Files with Translations
LocalizedStringKey Struct
Syntactic Sugar
Summary
Chapter 4: UIKit and Storyboards
Navigation Between App Screens
Screens, Windows, and Views
Navigation in iOS Apps
Scenes
Going Back
Replacing Root View
Modifying UINavigationController Stack

Removing Elements from the Navigation Stack
Returning the User to a Specific View Controller
Popups and Dialogs
Showing Alerts, Errors, and Warnings
Asking General Questions
Asking Questions with a One-Line String Answer
Picking Date and Time
What Is SnapKit?
Date and Time Selector Popup
Date and Time Inside the Bottom Sheet
Maps and Navigation
Showing Apple Map in an iOS App
Showing Google Maps in an iOS App
Dynamic Navigation
Rounded Corners, Shadows, and Other Effects
Rounded Corners, Content Cropping, and Borders
Shadows
UITextField Paddings

UITextView placeholder
Gradients
Blurs
Summary
Chapter 5: Image Processing
Reading and Writing Images
Image Buffer
File Formats
Loading (Reading) Images from Files
Saving (Writing) Images to Files
Downloading and Caching Images
Downloading Files
Downloading Files with Alamofire
Downloading Files with URLSession/URLRequest
Turning Function with Completion Handler into an Asynchronous One
Caching Files in Memory
Caching Files in Filesystem
Obtaining Directory Paths
Saving Files to Cache
Verifying Cache Size
Resizing and Cropping

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