CloudKit with SwiftUI Quick Guide

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CloudKit with SwiftUI

Swift 5.7 | iOS 16

With this guide, you will learn how to share data between devices using CloudKit databases and the SwiftUI framework. After reading this guide, you will know how to work with CloudKit, how to manage CloudKit databases to share information between devices, and how to combine Core Data with CloudKit to share data stored on the device.

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Description

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.

With this guide, you will learn how to share data between devices using CloudKit databases and the SwiftUI framework. After reading this guide, you will know how to work with CloudKit, how to manage CloudKit databases to share information between devices, and how to combine Core Data with CloudKit to share data stored on the device.

Table of Contents

ICLOUD

Data in the Cloud

Enabling iCloud

Testing Devices

CLOUDKIT

Enabling CloudKit

Implementing CloudKit

Custom Implementation

Records

Zones

Query

Asynchronous Operations

Batch Operations

References

CloudKit Dashboard

Custom CloudKit Application

Assets

Subscriptions

Errors

Deploy to Production

Examples

Download TXT Files - Download Projects

Listing 1: Preparing Core Data to work with CloudKit

Listing 2: Injecting the context into the environment

Listing 3: Listing the countries stored in the Persistent Store

Listing 4: Inserting new countries in the Persistent Store

Listing 5: Listing the cities stored in the Persistent Store

Listing 6: Inserting new cities in the Persistent Store

Listing 7: Defining a model for CloudKit

Listing 8: Listing the countries in the Private Database

Listing 9: Storing countries in the Private database

Listing 10: Listing the cities of a country

Listing 11: Storing cities in the Private Database

Listing 12: Storing assets

Listing 13: Preparing the image for the view

Listing 14: Opening a view to show the asset

Listing 15: Showing the asset

Listing 16: Processing Remote Notifications from a custom app delegate

Listing 17: Assigning the app's delegate

Listing 18: Defining the properties to control the subscription and the custom zone

Listing 19: Configuring the database

Listing 20: Initiating the process to get the updates from the server

Listing 21: Downloading the updates from the server

Listing 22: Storing the records in a custom zone

Listing 23: Checking CloudKit availability

Listing 24: Checking for errors

Links

iCloud Guide
https://developer.apple.com/library/archive/documentation/General/Conceptual/iCloudDesignGuide/Chapters/Introduction.html

CloudKit
https://developer.apple.com/icloud/cloudkit/

CloudKit Dashboard
https://icloud.developer.apple.com/dashboard/

Meet CloudKit Console
https://developer.apple.com/videos/play/wwdc2021/10117/

Build apps that share data through CloudKit and Core Data
https://developer.apple.com/videos/play/wwdc2021/10015/

Automate CloudKit tests with cktool and declarative schema
https://developer.apple.com/videos/play/wwdc2021/10118/

Testing CloudKit App
https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitQuickStart/TestingYourApp/TestingYourApp.html

What's new in CloudKit
https://developer.apple.com/videos/play/wwdc2021/10086/

Resources

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TABLE OF CONTENTS

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