CloudKit, Apple’s remote data storage service, provides a possibility to store app data using users’ iCloud accounts as a back-end storage service.
Here is the same demo on Swift.
Requirements
iOS 8.0
How To Get Started
- Set up Cloud/CloudKit at iOS Developer Portal.
- Insert a bundle identifier and choose a corresponding Team.
- Select Capabilities tab in the target editor, and then switch ON the iCloud.
For more detailed information take a look at our article.
Usage
Retrieve existing records
NSPredicate *predicate = [NSPredicate predicateWithValue:YES];
CKQuery *query = [[CKQuery alloc] initWithRecordType:@"RecordType" predicate:predicate];
[[CKContainer defaultContainer].publicCloudDatabase performQuery:query
inZoneWithID:nil
completionHandler:^(NSArray *results, NSError *error) {
}];Create a new record
CKRecord *record = [[CKRecord alloc] initWithRecordType:@"RecordType"];
record[@"key"] = @"Some data";
[[CKContainer defaultContainer].publicCloudDatabase saveRecord:record completionHandler:^(CKRecord *record, NSError *error) {
}];Update the record
CKRecordID *recordID = [[CKRecordID alloc] initWithRecordName:@"recordId"];
[[CKContainer defaultContainer].publicCloudDatabase fetchRecordWithID:recordID completionHandler:^(CKRecord *record, NSError *error) {
if (error) {
return;
}
record[@"key"] = @"Some data";
[[CKContainer defaultContainer].publicCloudDatabase saveRecord:record completionHandler:^(CKRecord *record, NSError *error) {
}];
}];Remove the record
CKRecordID *recordID = [[CKRecordID alloc] initWithRecordName:@"recordId"];
[[CKContainer defaultContainer].publicCloudDatabase deleteRecordWithID:recordID completionHandler:^(CKRecordID *recordID, NSError *error) {
}];Contacts
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License
The MIT License (MIT)
Copyright © 2015 Yalantis
Permission is hereby granted free of charge to any person obtaining a copy of this software and associated documentation files (the "Software") to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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