•Build Better Apps with CloudKit Dashboard · Helping You Build Better Apps All stages of app’s...

#WWDC17

Dave Browning, CloudKit

•Build Better Apps with CloudKit Dashboard • Session 226

App Frameworks

Helping You Build Better Apps

All stages of app’s lifecycle

Experiment with entire API

Visibility into all events

Understand aggregate behavior

Quick Conceptual Refresher

Record

Zone: Todos

Record

Database: Private

1 per user

Zone: Todos

Record

Database: Private

1 per user

Zone: Todos

Record

Database: Private

1 per user

Zone: Todos

Record

Shared

1 per user

Database: Private

1 per user

Zone: Todos

Record

Public

Shared

1 per user

Environment: Development Schema

Database: Private

1 per user

Zone: Todos

Record

Public

Shared

1 per user

Environment: ProductionEnvironment: Development Schema

Database: Private

1 per user

Zone: Todos

Record

Public

Shared

1 per user

Database: Private

1 per user

Zone: Todos

Record

Public

Shared

1 per user

Container: iCloud.com.wwdc17.todos

Database: Private

1 per user

Zone: Todos

Record

Public

Shared

1 per user

Example Todo List App Data model

Item Item …

parent reference

Item Item …

parent reference

root record

Item Item …

parent reference

What’s New with CloudKit WWDC16

root record

Example Todo List App Fetch changes APIs

CKDatabaseSubscription (private database) CKDatabaseSubscription (shared database)

Upon push and app launch: 1. CKFetchDatabaseChangesOperation 2. CKFetchRecordZoneChangesOperation

CloudKit Best Practices WWDC16

Maintaining a Local Cache of CloudKit Records

•Demo •Fetching changes in CloudKit Dashboard

HTTP POST /database/1/iCloud.com.wwdc17.todos/development/private/records/modify

{ "operations": [ { "operationType": "update", "record": { "recordName": “C5304752-9819-48F3-B837…”, "recordType": “List”, …

HTTP POST /database/1/iCloud.com.wwdc17.todos/development/private/records/modify

{ "operations": [ { "operationType": "update", "record": { "recordName": “C5304752-9819-48F3-B837…”, "recordType": “List”, …

let operation = CKModifyRecordsOperation( recordsToSave: [record], recordIDsToDelete: [] )

operation.modifyRecordsCompletionBlock = { (savedRecords, deletedRecordIDs, error) in … }

privateDB.add(operation)

HTTP POST /database/1/iCloud.com.wwdc17.todos/Development/private/records/changes

{ "zoneID": { "zoneName": "Todos", "ownerRecordName": "_6c07d121939728c5c22a18487fb57b01" }, "syncToken": "AQAAAAAAAAAXf/////////+hzFL5eSRI0YcbNPNBUdxY", "resultsLimit": 200 }

HTTP POST /database/1/iCloud.com.wwdc17.todos/Development/private/records/changes

{ "zoneID": { "zoneName": "Todos", "ownerRecordName": "_6c07d121939728c5c22a18487fb57b01" }, "syncToken": "AQAAAAAAAAAXf/////////+hzFL5eSRI0YcbNPNBUdxY", "resultsLimit": 200 }

let operation = CKFetchRecordZoneChangesOperation( recordZoneIDs: zoneIDs, optionsByRecordZoneID: optionsByRecordZoneID )

operation.recordChangedBlock = {…} operation.recordWithIDWasDeletedBlock = {…} operation.recordZoneChangeTokensUpdatedBlock = {…} operation.recordZoneFetchCompletionBlock = {…} operation.fetchRecordZoneChangesCompletionBlock = {…}

privateDB.add(operation)

•Demo •Subscriptions & Push in CloudKit Dashboard

Log Event

Log Event Time

iOS macOS tvOS watchOS web

Log Event Platform

user record ID + name, if team member

Log Event User

database push sharing

Log Event Type

Log Event Operation ID

Log Event Operation Group Name

Log Event Details

record modify database changes zone changes record fetch …

Log Event Type of operation

private public shared

Log Event Database

Log Event Zone

does not include Internet latency

Log Event Server latency

Log Event Request size

Log Event Response size

not a new iPhone 😉

Log Event Hardware

Log Event Operation group details

A CKOperation may lead to multiple requests

Log Event Request ID

Log Event Errors

Log Event Type of error

Operation GroupsNEW

Initialization Operation Group

Operation GroupsNEW

Operation Groups

CKModifyZoneOperation

Operation Groups

CKModifySubscriptionsOperation

Operation Groups

CKFetchDatabaseChangesOperation

Operation Groups

CKFetchDatabaseChangesOperation

Operation GroupsNEW

Operation Groups

AutomatedBackup ManualBackup Restore

Operation Groups

SettingUpLibrary ThumbnailsDownload FetchingMovieStream

Operation Groups

SettingUpLibrary ThumbnailsDownload FetchingMovieStream

Sync down (initial) Sync down (push triggered) Download (user initiated)

open class CKOperationGroup : NSObject, NSSecureCoding {

open var operationGroupID: String { get }

@NSCopying open var defaultConfiguration: CKOperationConfiguration?

open var name: String? open var quantity: Int

open var expectedSendSize: CKOperationGroupTransferSize open var expectedReceiveSize: CKOperationGroupTransferSize

open class CKOperation : Operation { open var group: CKOperationGroup? }

public enum CKOperationGroupTransferSize : Int {

case unknown case kilobytes case megabytes case tensOfMegabytes …}

open class CKOperationConfiguration : NSObject {

open var container: CKContainer?

open var qualityOfService: QualityOfService open var allowsCellularAccess: Bool open var isLongLived: Bool

open var timeoutIntervalForRequest: TimeInterval open var timeoutIntervalForResource: TimeInterval

open class CKOperationConfiguration : NSObject {

open var container: CKContainer?

open var qualityOfService: QualityOfService open var allowsCellularAccess: Bool open var isLongLived: Bool

open var timeoutIntervalForRequest: TimeInterval open var timeoutIntervalForResource: TimeInterval

CKOperationConfiguration

CKOperation

CKOperationGroup

CKOperation

CKOperationCKOperationGroup

CKOperation

Log Event Operation group

Log Event Operation group → Operation

Log Event Operation group → Operation → Request

Privacy

Your iCloud account Everyone else’s account

Privacy

private & shared data private & shared data

Privacy

public data public data

Privacy

log events log events

Privacy

Log events do not include data

log events log events

Sharing

Item Item …

parent reference

root record

•Demo •Sharing in CloudKit Dashboard

Telemetry Monitoring for changes

Telemetry Detecting errors

New CKError documentation

Telemetry Verifying pushes

Summary

New CloudKit Dashboard

Summary

New CKOperationGroup API

Summary

New CKOperationGroup API

Send us your feedback!

More Informationhttps://developer.apple.com/wwdc17/226

cloudkit@apple.com

CloudKit & iCloud Lab Technology Lab I Tue 4:10PM-6:00PM

CloudKit & iCloud Lab Technology Lab C Thur 11:00AM-1:00PM

•Build Better Apps with CloudKit Dashboard · Helping You Build Better Apps All stages of app’s...

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