Zephyr 🌬️

Effortlessly sync UserDefaults over iCloud

About

Zephyr synchronizes specific keys and/or all of your UserDefaults over iCloud using NSUbiquitousKeyValueStore.

Zephyr has built in monitoring, allowing it to sync specific keys in the background as they change.

For the latest updates, refer to the Releases tab.

Features

CocoaPods and SwiftPM Support
Syncs specific UserDefaults keys or all of your UserDefaults.
Background monitoring and synchronization between UserDefaults and NSUbiquitousKeyValueStore
Detailed Logging

Installation Instructions

Swift Version	Branch Name	Will Continue to Receive Updates?
5.1+	master	Yes
5.0	swift5.0	No
4.2	swift4.2	No
4.1	swift4.1	No
3.2	swift3.2	No
3.1	swift3.1	No

CocoaPods

pod 'Zephyr' # Swift 5.1+
pod 'Zephyr', :git => 'https://github.com/ArtSabintsev/Zephyr.git', :branch => 'swift5.0' # Swift 5.0
pod 'Zephyr', :git => 'https://github.com/ArtSabintsev/Zephyr.git', :branch => 'swift4.2' # Swift 4.2
pod 'Zephyr', :git => 'https://github.com/ArtSabintsev/Zephyr.git', :branch => 'swift4.1' # Swift 4.1
pod 'Zephyr', :git => 'https://github.com/ArtSabintsev/Zephyr.git', :branch => 'swift3.2' # Swift 3.2
pod 'Zephyr', :git => 'https://github.com/ArtSabintsev/Zephyr.git', :branch => 'swift3.1' # Swift 3.1

Swift Package Manager

.Package(url: "https://github.com/ArtSabintsev/Zephyr.git", majorVersion: 3)

Manual

Download Zephyr
Copy Zephyr.swift into your project.

Setup

Turn on iCloud Sync in Xcode

In Xcode, open your app's project/workspace file:

Click on your Project
Click on one of your Targets
Click on Capabilities
Turn on iCloud syncing
Under Services, make sure to check Key-value storage
Repeat for all Targets (if necessary)

Integrate Zephyr into your App

Before performing each sync, Zephyr automatically checks to see if the data in UserDefaults or NSUbiquitousKeyValueStore is newer. To make sure there's no overwriting going on in a fresh installation of your app on a new device that's connected to the same iCloud account, make sure that your UserDefaults are registered BEFORE calling any of the Zephyr methods. One way to easily achieve this is by using the UserDefaults Register API.

Sync all UserDefaults

Zephyr.sync()

Sync a specific key or keys (Variadic Option)

Zephyr.sync(keys: "MyFirstKey", "MySecondKey", ...)

Sync a specific key or keys (Array Option)

Zephyr.sync(keys: ["MyFirstKey", "MySecondKey"])

Add/Remove Keys for Background Monitoring (Variadic Option)

Zephyr.addKeysToBeMonitored(keys: "MyFirstKey", "MySecondKey", ...)
Zephyr.removeKeysFromBeingMonitored(keys: "MyFirstKey", "MySecondKey", ...)

Add/Remove Keys for Background Monitoring (Array Option)

Zephyr.addKeysToBeMonitored(keys: ["MyFirstKey", "MySecondKey"])
Zephyr.removeKeysFromBeingMonitored(keys: ["MyFirstKey", "MySecondKey"])

Toggle Automatic Calling of NSUbiquitousKeyValueStore's Synchronization method

Zephyr.syncUbiquitousKeyValueStoreOnChange = true // Default
Zephyr.syncUbiquitousKeyValueStoreOnChange = false // Turns off instantaneous synchronization

Debug Logging

Zephyr.debugEnabled = true // Must be called before sync(_:)
Zephyr.sync()

Use a specific UserDefaults suite

if let suite = UserDefaults(suiteName: "group.com.example.app-name") {
  Zephyr.setUserDefaultsSuite(to: suite)
}

Sample App

Please ignore the Sample App as I did not add any demo code in the Sample App. It's only in this repo to add support for Carthage.

Created and maintained by

Arthur Ariel Sabintsev

License

wayni208/Zephyr

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