![]() It's designed to meet the needs of most apps that would otherwise write their own custom sync engine. ![]() It aims to provide a convenient API, while also giving flexibility when necessary. So what is this new CKSyncEngine API? CKSyncEngine encapsulates the common logic for syncing with a CloudKit database. CKSyncEngine has quite a lot of tests as well, and that's 'cause it handles a lot of this stuff for you. I actually heard a rumor that NSPersistentCloudKitContainer is backed by over 70,000 lines of tests. In order to write a proper sync engine, you probably need several thousands of lines of code, and then double that amount in your tests. You only have to handle the things that are specific to your app, and the sync engine handles the rest. When you use CKSyncEngine, the amount of sync code you have to write becomes much smaller and more focused. You need to learn about all the different operations and errors, monitor system conditions, listen for account changes, handle push notifications, manage your subscriptions, track a bunch of state, and a whole lot more. That's pretty easy to do on its own, but there's more than just that. Sync involves many moving parts, and using a higher level API like CKSyncEngine can help reduce complexity and improve your app's sync experience.Īt its core, sync is mostly just sending changes from one device and fetching them on another, converting to and from CloudKit records when necessary. But if you want to sync with CloudKit, and if you're not using NSPersistentCloudKitContainer, you should use CKSyncEngine. If you still think you need more fine-grained control, you can use CKDatabase and CKOperations. If you want to bring your own local persistence, you can use the new CKSyncEngine API. If you want a full-stack solution that includes local persistence, you can use NSPersistentCloudKitContainer. Thankfully, you have some great API choices for syncing with CloudKit, and these APIs do a lot of the heavy lifting for you. And the best way to simplify your sync code is to write as little as possible. So the simpler you can make your sync code, the better. When you bring multiple devices into the scenario, there's just a lot that can go wrong. CloudKit itself isn't that complicated, but syncing in general is hard. Their data is in one place, and then it's everywhere. They make something on their iPhone, and when they open up their Mac, they expect it to be there too. When you build a new app, people just expect their data to sync. Finally, you'll learn about best practices for testing and debugging your integration with CKSyncEngine. Once you're set up, you'll learn how to use the sync engine to sync data across devices. Then, you'll learn about how to get started with CKSyncEngine in your own project. Next, I'll give an overview of what CKSyncEngine is and how it works. First, I'll talk about the state of syncing to CloudKit on Apple platforms. CKSyncEngine is designed to help sync data between the device and the cloud. My colleague Aamer and I are here to talk about a new CloudKit API called CKSyncEngine. TREBEL is a licensed service with the best music in the world f.♪ ♪ Tim: Hi, I'm Tim, I'm an engineer on the CloudKit team. We’re working hard to get more free music content for offline play, so keep checking back if you can’t find the song you want. No more stream-ripping YouTube videos or wasting time on old school torrent sites to get the music you love. Like the app? Rate us 5 stars and hit us up on Instagram appĭownloading free music on TREBEL is as easy as tapping a button. Unlimited music downloads enabled by caching technology.Song ID: identify the song playing around you with just one tap.Listen off-screen: lock your screen or multitask while listening.Listen on-demand with unlimited skips: choose the songs you want to play.Uninterrupted listening: annoying audio ads will not interrupt your music.Play offline (no data or Wi-Fi connection needed after downloading music).Download the music you want, make and share playlists, and listen whenever without limits.Ĭhoose from new releases or all-time favorites, music for your every mood: Hip Hop, Pop, EDM, Rap, Country, Latin, R&B, Reggaeton and more. Search for your favorite track, artist or album alternatively, browse curated playlists from our team. TREBEL Music is a free music app that allows you to listen to your favorite music offline, on-demand, and anytime!įree truly means free, no subscription, no credit card required. ![]()
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