Core Data With Swiftui

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Core Data With Swiftui

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Author : J.D Gauchat
language : en
Publisher: J.D Gauchat
Release Date :

Core Data With Swiftui written by J.D Gauchat and has been published by J.D Gauchat this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.

Quick Guides for Masterminds are excerpts from our best-selling books SwiftUI for Masterminds, UIKit for Masterminds, and HTML5 for Masterminds, providing a cost-effective alternative to getting the information you need. Description With this guide, you will learn how to store data in a database with Core Data and the SwiftUI framework. After reading this guide, you will know how to work with the Core Data framework, how to create and manage a database, and how to store, search, and retrieve information from the user's device. Swift 5.7 | iOS 16 | Xcode 14 Table of Contents CORE DATA Data Model Core Data Stack Managed Objects Fetch Request Asynchronous Access Core Data Application Previews Sort Descriptors Predicates Modifying Objects Deleting Objects Custom Fetch Requests Sections To-Many Relationships This guide assumes that you have a basic knowledge of app development, Xcode, and the Swift language. You should also know how to create and display basic SwiftUI views. For a complete course on app development with SwiftUI, read our book SwiftUI for Masterminds. This guide is a collection of excerpts from the book SwiftUI for Masterminds. The information included in this guide will help you understand a particular aspect of app development, but it will not teach you everything you need to know to develop an app for Apple devices. If you are looking for a complete course on app development with SwiftUI, read our book SwiftUI for Masterminds. For more information, visit our website at www.formasterminds.com.

Swiftui Essentials Ios 16 Edition

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Author : Neil Smyth
language : en
Publisher: eBookFrenzy
Release Date : 2022-09-12

Swiftui Essentials Ios 16 Edition written by Neil Smyth and has been published by eBookFrenzy this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-12 with Computers categories.

This book aims to teach the skills necessary to build iOS 16 applications using SwiftUI, Xcode 14, and the Swift 5.7 programming language. Beginning with the basics, this book outlines the steps to set up an iOS development environment, together with an introduction to using Swift Playgrounds to learn and experiment with Swift. The book also includes in-depth chapters introducing the Swift 5.7 programming language, including data types, control flow, functions, object-oriented programming, property wrappers, structured concurrency, and error handling. A guided tour of Xcode in SwiftUI development mode follows an introduction to the key concepts of SwiftUI and project architecture. The book also covers creating custom SwiftUI views and explains how these views are combined to create user interface layouts, including stacks, frames, and forms. Other topics covered include data handling using state properties and observable, state, and environment objects, as are key user interface design concepts such as modifiers, lists, tabbed views, context menus, user interface navigation, and outline groups. The book also covers graphics and chart drawing, user interface animation, view transitions and gesture handling, WidgetKit, document-based apps, Core Data, CloudKit, and SiriKit integration. Chapters also explain how to integrate SwiftUI views into existing UIKit-based projects and integrate UIKit code into SwiftUI. Finally, the book explains how to package up a completed app and upload it to the App Store for publication. Along the way, the topics covered in the book are put into practice through detailed tutorials, the source code for which is also available for download. The aim of this book, therefore, is to teach you the skills to build your own apps for iOS 16 using SwiftUI. Assuming you are ready to download the iOS 16 SDK and Xcode 14 and have an Apple Mac system, you are ready to get started.

The Ultimate Ios Interview Playbook

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Author : Avi Tsadok
language : en
Publisher: Packt Publishing Ltd
Release Date : 2023-08-04

The Ultimate Ios Interview Playbook written by Avi Tsadok and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-04 with Computers categories.

Take your interview skills to the next level by reviewing hundreds of real-world interview questions and coding examples Purchase of the print or Kindle book includes a free PDF eBook Key Features Solve complex design and architecture tasks Develop mature and complete answers to commonly asked questions Enhance your interview prospects by building a strong developer brand through publications and online projects Book DescriptionAs an iOS developer, you must possess a diverse skill set encompassing Swift coding, design knowledge, and mastery of development tools. And while the demand for iOS developers remains high, the competition for landing your dream job has intensified in recent years. Being a skilled iOS developer is no longer enough — acing interviews is now just as essential as having technical expertise. In The Ultimate iOS Interview Playbook, you'll discover innovative ways to stand out as an iOS developer and pass every job interview. It will guide you to build your developer brand and present your skills to potential employers. This comprehensive guide covers over 100 interview questions, from Swift fundamentals and frameworks to complex design patterns and app architecture. You'll learn how to approach coding assessments like a pro and avoid red flags that could hinder your chances of success. Drawing from the author’s experience of interviewing hundreds of iOS developers and having been a candidate themself, this book addresses the challenges of showcasing your skills and knowledge within a limited timeframe. By the end of this book, you'll be ready to excel in any iOS interview, demonstrating your strengths and confidently tackling even the most challenging questions, ultimately paving the way to secure the job you've always wanted.What you will learn Gain insights into how an interview process works Establish and capitalize on your iOS developer brand Easily solve general Swift language questions Solve questions on data structures and code management Prepare for questions involving primary frameworks such as UIKit, SwiftUI, and Combine Core Data Identify the "red flags" in an interview and learn strategies to steer clear of them Who this book is for Designed for iOS developers of all levels, from juniors to seniors, this book is a valuable resource for anyone who wants to enhance their interview skills in iOS development. Basic knowledge of iOS development and Swift is necessary to get started with this book.

Ios Developer Interview Handbook

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Author : Anand Gaur
language : en
Publisher: Anand Gaur
Release Date : 2025-09-06

Ios Developer Interview Handbook written by Anand Gaur and has been published by Anand Gaur this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-09-06 with Computers categories.

𝗶𝗢𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗛𝗮𝗻𝗱𝗯𝗼𝗼𝗸 is your ultimate companion to prepare, practice, and succeed in iOS developer interviews. Whether you are a fresher aiming for your first iOS role or an experienced engineer looking to switch to 𝘁𝗼𝗽 𝘁𝗲𝗰𝗵 𝗰𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀, this handbook covers everything you need from core concepts to advanced topics, explained in a simple and structured way. 𝗜𝗻𝘀𝗶𝗱𝗲, 𝘆𝗼𝘂’𝗹𝗹 𝗳𝗶𝗻𝗱: 𝗶𝗢𝗦 𝗕𝗮𝘀𝗶𝗰𝘀 – Build a strong foundation to tackle entry-level and tricky fundamental questions. 𝗦𝘄𝗶𝗳𝘁 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲 – Master essential syntax, advanced features, and real-world coding scenarios. 𝗢𝗯𝗷𝗲𝗰𝘁-𝗢𝗿𝗶𝗲𝗻𝘁𝗲𝗱 & 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹-𝗢𝗿𝗶𝗲𝗻𝘁𝗲𝗱 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 – Learn how Apple blends both paradigms and how interviewers test them. 𝗶𝗢𝗦 𝗨𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗨𝗜𝗞𝗶𝘁) & 𝗦𝘄𝗶𝗳𝘁𝗨𝗜 – Covering both traditional and modern UI frameworks with practical Q&A. 𝗗𝗮𝘁𝗮 𝗣𝗲𝗿𝘀𝗶𝘀𝘁𝗲𝗻𝗰𝗲 & 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 – Core Data, SQLite, UserDefaults, and more explained with clarity. 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗶𝗻 𝗶𝗢𝗦 – URLSession, REST APIs, JSON parsing, and error handling. 𝗠𝘂𝗹𝘁𝗶𝘁𝗵𝗿𝗲𝗮𝗱𝗶𝗻𝗴 & 𝗖𝗼𝗻𝗰𝘂𝗿𝗿𝗲𝗻𝗰𝘆 – Grand Central Dispatch (GCD), Operation Queues, and Swift Concurrency (async/await). 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗗𝗲𝘀𝗶𝗴𝗻 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 – MVC, MVVM, VIPER, and the Composable Architecture (TCA). 𝗗𝗲𝗽𝗲𝗻𝗱𝗲𝗻𝗰𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 – CocoaPods, Swift Package Manager, and Carthage. 𝗠𝗲𝗺𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 & 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 – ARC, retain cycles, and optimization strategies. 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 𝗶𝗻 𝗶𝗢𝗦 – Unit, integration, and UI testing with XCTest. 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗶𝗢𝗦 𝗧𝗼𝗽𝗶𝗰𝘀 – Push notifications, background tasks, app lifecycle, and more. 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗶𝗻 𝗶𝗢𝗦 𝗔𝗽𝗽𝘀 – Keychain, secure coding, and best practices. 𝗔𝗽𝗽𝗹𝗲 𝗘𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 – WatchOS, tvOS, macOS integration, and App Store submission process. 𝗗𝗲𝘃𝗢𝗽𝘀 𝗳𝗼𝗿 𝗶𝗢𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 – CI/CD pipelines, Fastlane, and automation. 𝗦𝗰𝗲𝗻𝗮𝗿𝗶𝗼-𝗕𝗮𝘀𝗲𝗱 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 – Real-world challenges that prepare you to think like a problem solver. 𝗪𝗵𝘆 𝗧𝗵𝗶𝘀 𝗕𝗼𝗼𝗸? Unlike generic guides, this handbook doesn’t just give you answers — it explains concepts in simple language, highlights interviewer expectations, and builds your confidence step by step. By the end, you’ll not only feel prepared for interviews but also become a stronger, well-rounded iOS developer. 𝗣𝗲𝗿𝗳𝗲𝗰𝘁 𝗳𝗼𝗿: • Students & freshers aiming for their first iOS role • Mid-level engineers preparing for career growth • Experienced developers targeting top product companies 𝘔𝘢𝘬𝘦 𝘵𝘩𝘪𝘴 𝘣𝘰𝘰𝘬 𝘺𝘰𝘶𝘳 𝘵𝘳𝘶𝘴𝘵𝘦𝘥 𝘨𝘶𝘪𝘥𝘦 𝘢𝘯𝘥 𝘴𝘵𝘦𝘱 𝘪𝘯𝘵𝘰 𝘺𝘰𝘶𝘳 𝘯𝘦𝘹𝘵 𝘪𝘖𝘚 𝘪𝘯𝘵𝘦𝘳𝘷𝘪𝘦𝘸 𝘸𝘪𝘵𝘩 𝘤𝘭𝘢𝘳𝘪𝘵𝘺, 𝘤𝘰𝘯𝘧𝘪𝘥𝘦𝘯𝘤𝘦, 𝘢𝘯𝘥 𝘴𝘶𝘤𝘤𝘦𝘴𝘴.

Extreme Mobile

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Author : Charlie Cocchiaro
language : en
Publisher: Graphixware, LLC
Release Date : 2023-09-26

Extreme Mobile written by Charlie Cocchiaro and has been published by Graphixware, LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-26 with Computers categories.

Book Description Designing exceptional, versatile, and efficient mobile apps is crucial to compete and succeed in the fiercely competitive mobile app space. Extreme Mobile employs a hands-on approach to demonstrate state-of-the-art programming techniques for developing reusable, configurable, brandable, and localizable iOS mobile apps. The book starts with basic concepts for creating customizable software by leveraging iOS Frameworks. Each subsequent chapter adds complexity to the apps being developed, at a pace that’s both clear and comprehensible. The book utilizes Swift Protocols, the Model-View-ViewModel design pattern, Dependency Injection, Combine, Storyboards, and SwiftUI. Techniques for dynamically integrating iOS frameworks are also showcased. The book concludes with the creation of distinct apps using the developed frameworks, all without the need for code changes. Who this book is for This book is intended for intermediate software developers with a basic understanding of Xcode, iOS SDK, Swift, and Storyboards. Table of Contents 1. Designing Frameworks Using Protocols & UIKit 2. Designing Frameworks Using Model-View-ViewModel, Local Services, & UIKit 3. Designing Frameworks Using Model-View-ViewModel, Dependency Injection, Combine, Remote Services, & UIKit 4. Designing Frameworks Using Model-View-ViewModel, Dependency Injection, Combine, Mock Services, Core Data, In-App Purchases, & SwiftUI 5. Designing Frameworks Using In-App Purchases and UIKit 6. Driving Feature Enablement in Frameworks Using In-App Purchases 7. Integrating Frameworks Dynamically - ScratchTraxApp1 8. Integrating Frameworks Dynamically - ScratchTraxApp2 9. Localization 10. Branding 11. Distribution and Integration

Ultimate Kotlin Multiplatform For App Development Build High Performance Android Ios And Web Apps Using Kotlin Multiplatform Ktor Koin And Modern Ui Frameworks

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Author : Gowtham Shanmugaraj
language : en
Publisher: Orange Education Pvt Limited
Release Date : 2025-12-04

Ultimate Kotlin Multiplatform For App Development Build High Performance Android Ios And Web Apps Using Kotlin Multiplatform Ktor Koin And Modern Ui Frameworks written by Gowtham Shanmugaraj and has been published by Orange Education Pvt Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-12-04 with Computers categories.

Unify your Android, iOS, and Web Projects with One Powerful Language — Kotlin Multiplatform. Key Features● Master cross-platform development with Kotlin for Android, iOS, and Web apps from a single shared codebase.● Get hands-on with modern libraries and tools like Ktor for networking, dependency injection, SQLDelight for database handling, and Jetpack Compose for UI.● Enhance productivity with real-world best practices, CI/CD pipelines, testing strategies, and performance optimization. Book DescriptionKotlin is a modern, expressive, and versatile language that has transformed the way developers build applications. Ultimate Kotlin Multiplatform for App Development takes you on a complete journey to mastering Kotlin Multiplatform, empowering you to create high-performance Android, iOS, and Web applications from a single shared codebase. You will begin by exploring the core foundations of Kotlin, syntax, structure, and key features, before advancing into topics such as object-oriented and functional programming, coroutines, and concurrency. From there, the book guides you through multiplatform architecture, project setup, Gradle configuration, and dependency management, giving you the skills to structure efficient, scalable cross-platform projects. Practical examples show you how to leverage essential libraries such as Ktor for networking, Koin for dependency injection, SQLDelight for database management, and Multiplatform Settings for shared configurations. Thus, by the end of this book, you will have the confidence and expertise to build, deploy, and optimize cross-platform applications — and become a truly modern Kotlin Multiplatform developer! What you will learn● Build cross-platform apps for Android, iOS, and Web using a single shared Kotlin codebase.● Configure and manage multiplatform projects efficiently with Gradle and IDE tools.● Master Kotlin essentials and advanced concepts, including coroutines, serialization, and functional programming.● Integrate modern libraries such as Ktor, Koin, and SQLDelight for networking, DI, and data persistence.● Create native-like UIs with Jetpack Compose, SwiftUI, and Kotlin/React.● Apply clean architecture and best practices for scalable and maintainable app design.

Ios 13 Programming For Beginners

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Author : Ahmad Sahar
language : en
Publisher: Packt Publishing Ltd
Release Date : 2020-01-24

Ios 13 Programming For Beginners written by Ahmad Sahar and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-24 with Computers categories.

A step-by-step guide to learning iOS app development and exploring the latest Apple development tools Key FeaturesExplore the latest features of Xcode 11 and the Swift 5 programming language in this updated fourth editionKick-start your iOS programming career and have fun building your own iOS appsDiscover the new features of iOS 13 such as Dark Mode, iPad apps for Mac, SwiftUI, and moreBook Description iOS 13 comes with features ranging from Dark Mode and Catalyst through to SwiftUI and Sign In with Apple. If you're a beginner and are looking to experiment and work with these features to create your own apps, then this updated fourth edition gets you off to a strong start. The book offers a comprehensive introduction for programmers who are new to iOS, covering the entire process of learning the Swift language, writing your own apps, and publishing them on the App Store. This edition is updated and revised to cover the new iOS 13 features along with Xcode 11 and Swift 5. The book starts with an introduction to the Swift programming language, and how to accomplish common programming tasks with it. You'll then start building the user interface (UI) of a complete real-world app, using the latest version of Xcode, and also implement the code for views, view controllers, data managers, and other aspects of mobile apps. The book will then help you apply the latest iOS 13 features to existing apps, along with introducing you to SwiftUI, a new way to design UIs. Finally, the book will take you through setting up testers for your app, and what you need to do to publish your app on the App Store. By the end of this book, you'll be well versed with how to write and publish apps, and will be able to apply the skills you've gained to enhance your apps. What you will learnGet to grips with the fundamentals of Xcode 11 and Swift 5, the building blocks of iOS developmentUnderstand how to prototype an app using storyboardsDiscover the Model-View-Controller design pattern, and how to implement the desired functionality within the appImplement the latest iOS features such as Dark Mode and Sign In with AppleUnderstand how to convert an existing iPad app into a Mac appDesign, deploy, and test your iOS applications with industry patterns and practicesWho this book is for This book is for anyone who has programming experience but is completely new to Swift and iOS app development. Experienced programmers looking to explore the latest iOS 13 features will also find this book useful.

Core Data By Tutorials Sixth Edition Persisting Ios App Data With Core Data In Swift

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Author : Aaron Douglas
language : en
Publisher:
Release Date : 2019-11-25

Core Data By Tutorials Sixth Edition Persisting Ios App Data With Core Data In Swift written by Aaron Douglas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-25 with Computers categories.

Learn Core Data with Swift! Take control of your data in iOS apps using Core Data, through a series of high quality hands-on tutorials. Start with with the basics like setting up your own Core Data Stack all the way to advanced topics like syncing with iCloud, migration, performance, multithreading, and more! By the end of this book, you'll have hands-on experience with Core Data and will be ready to use it in your own apps. Who This Book Is For: This book is for intermediate iOS developers who already know the basics of iOS and Swift development but want to learn how to use Core Data to save data in their apps. Topics Covered in Core Data by Tutorials: Your First Core Data App: You'll click File\New Project and write a Core Data app from scratch! NSManagedObject Subclasses: Learn how to create your own subclasses of NSManagedObject - the base data storage class in Core Data. The Core Data Stack: Learn how the main objects in Core Data work together, so you can move from the starter Xcode template to your own system. Intermediate Fetching: This chapter covers how to fetch data with Core Data - fetch requests, predicates, sorting and asynchronous fetching. NSFetchedResultsController: Learn how to make Core Data play nicely with table views using NSFetchedResultsController! Versioning and Migration: In this chapter, you'll learn how to migrate your user's data as they upgrade through different versions of your data model. Synchronize with iCloud: Learn how to make your apps synchronize across devices, using the power of iCloud! Unit Tests: In this chapter, you'll learn how to set up a test environment for Core Data and see examples of how to test your models. Measuring and Boosting Performance: Learn how to measure your app's performance with various Xcode tools and deal with slow spots in your code. Multiple Managed Object Contexts: Learn how multiple managed object contexts can improve performance and make for cleaner code. The iOS Tutorial Team takes pride in making sure each tutorial we write holds to the highest standards of quality. We want our tutorials to be well written, easy to follow, and fun. And we don't want to just skim the surface of a subject - we want to really dig into it, so you can truly understand how it works and apply the knowledge directly in your own apps.

Ios 15 Programming For Beginners

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Author : Ahmad Sahar
language : en
Publisher: Packt Publishing Ltd
Release Date : 2021-12-24

Ios 15 Programming For Beginners written by Ahmad Sahar and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-24 with Computers categories.

Key Features Explore the latest features of Xcode 13 and the Swift 5.5 programming language in this updated sixth edition Start your iOS programming career and have fun building your own iOS apps Discover the new features of iOS 15 such as Mac Catalyst, SwiftUI, Swift Concurrency, and SharePlay Book DescriptionWith almost 2 million apps on the App Store, iOS mobile apps continue to be incredibly popular. Anyone can reach millions of customers around the world by publishing their apps on the App Store. iOS 15 Programming for Beginners is a comprehensive introduction for those who are new to iOS. It covers the entire process of learning the Swift language, writing your own app, and publishing it on the App Store. Complete with hands-on tutorials, projects, and self-assessment questions, this easy-to-follow guide will help you get well-versed with the Swift language to build your apps and introduce exciting new technologies that you can incorporate into your apps. You'll learn how to publish iOS apps and work with Mac Catalyst, SharePlay, SwiftUI, Swift concurrency, and much more. By the end of this iOS development book, you'll have the knowledge and skills to write and publish interesting apps, and more importantly, to use the online resources available to enhance your app development journey.What you will learn Get to grips with the fundamentals of Xcode 13 and Swift 5.5, the building blocks of iOS development Understand how to prototype an app using storyboards Discover the Model-View-Controller design pattern and how to implement the desired functionality within an app Implement the latest iOS features such as Swift Concurrency and SharePlay Convert an existing iPad app into a Mac app with Mac Catalyst Design, deploy, and test your iOS applications with design patterns and best practices Who this book is for This book is for anyone who has programming experience but is new to Swift and iOS app development. Basics knowledge of programming, including loops, boolean, and so on, is necessary.

Core Data By Tutorials Eighth Edition

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Author : raywenderlich Tutorial Team
language : en
Publisher: Razeware LLC
Release Date : 2020-11-20

Core Data By Tutorials Eighth Edition written by raywenderlich Tutorial Team and has been published by Razeware LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-20 with categories.

Learn Core Data With Swift!Take control of your data in iOS apps using Core Data, through a series of high quality hands-on tutorials.Start with the basics like setting up your own Core Data Stack all the way to advanced topics like migration, performance, multithreading, and more! By the end of this book, you'll have hands-on experience with Core Data and will be ready to use it in your own apps.Who This Book Is For:This book is for intermediate iOS developers who already know the basics of iOS and Swift development but want to learn how to use Core Data to save data in their apps.Topics Covered in Core Data by Tutorials:Your First Core Data App: You'll click File\New Project and write a Core Data app from scratch!NSManagedObject Subclasses: Learn how to create your own subclasses of NSManagedObject - the base data storage class in Core Data.The Core Data Stack: Learn how the main objects in Core Data work together, so you can move from the starter Xcode template to your own system.Intermediate Fetching: This chapter covers how to fetch data with Core Data - fetch requests, predicates, sorting and asynchronous fetching.NSFetchedResultsController: Learn how to make Core Data play nicely with table views using NSFetchedResultsController!Versioning and Migration: In this chapter, you'll learn how to migrate your user's data as they upgrade through different versions of your data model.Unit Tests: In this chapter, you'll learn how to set up a test environment for Core Data and see examples of how to test your models.Measuring and Boosting Performance: Learn how to measure your app's performance with various Xcode tools and deal with slow spots in your code.Multiple Managed Object Contexts: Learn how multiple managed object contexts can improve performance and make for cleaner code.Core Data and CloudKit: Learn how to synchronize Core Data across all of a user's devices.