Ios 如何使用Swift将音频文件保存到iCloud?
我使用Swift 3和Xcode 8.3.3创建了一个应用程序,它记录音频文件并将其保存到应用程序的文档目录中。我现在想将这些文件保存到iCloud以进行备份。我已经能够使用以下代码将一条简单记录保存到iCloud:Ios 如何使用Swift将音频文件保存到iCloud?,ios,swift,xcode,icloud,cloudkit,Ios,Swift,Xcode,Icloud,Cloudkit,我使用Swift 3和Xcode 8.3.3创建了一个应用程序,它记录音频文件并将其保存到应用程序的文档目录中。我现在想将这些文件保存到iCloud以进行备份。我已经能够使用以下代码将一条简单记录保存到iCloud: let database = CKContainer.default().publicCloudDatabase func saveToCloud(myContent: String){ let myRecord = CKRecord(recordType: "Audio
let database = CKContainer.default().publicCloudDatabase
func saveToCloud(myContent: String){
let myRecord = CKRecord(recordType: "AudioRecording")
myRecord.setValue(myContent, forKey: "content")
database.save(myRecord) { (record, error) in
print(error ?? "No error")
guard record != nil else {return}
print("Saved record to iCloud")
}
}
似乎我只需要添加一行代码,看起来像这样:
newNote.setValue(audioObject, forKey: "Audio")
但我不确定我需要为
audioObject
传递什么对象,也不确定iCloud是否能够处理该对象。有什么建议吗?使用iOS 10.x Swift 3.0
您可以将audioObject保存为一团数据;或者用iCloud的话说,是一种资产。下面是一些保存图像的基本代码,但原理是一样的,只是一团数据
这里的代码比您真正需要的要多得多,但我将其保留在上下文中
func files_saveImage(imageUUID2Save: String) {
var localChanges:[CKRecord] = []
let image2updated = sharedDataAccess.image2Cloud[imageUUID2Save]
let newRecordID = CKRecordID(recordName: imageUUID2Save)
let newRecord = CKRecord(recordType: "Image", recordID: newRecordID)
let theLinkID = CKReference(recordID: sharedDataAccess.iCloudID, action: .deleteSelf)
let thePath = sharedDataAccess.fnGet(index2seek: sharedDataAccess.currentSN)
newRecord["theLink"] = theLinkID
newRecord["theImageNo"] = image2updated?.imageI as CKRecordValue?
newRecord["theImagePath"] = sharedDataAccess.fnGet(index2seek: image2updated?.imageS as! Int) as CKRecordValue?
newRecord["theUUID"] = imageUUID2Save as CKRecordValue?
let theURL = NSURL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(NSUUID().uuidString+".dat")
do {
try image2updated?.imageD.write(to: theURL!)
} catch let e as NSError {
print("Error! \(e)");
return
}
newRecord["theImageBlob"] = CKAsset(fileURL: URL(string: (theURL?.absoluteString)!)!)
localChanges.append(newRecord)
let records2Erase:[CKRecordID] = []
let saveRecordsOperation = CKModifyRecordsOperation(recordsToSave: localChanges, recordIDsToDelete: records2Erase)
saveRecordsOperation.savePolicy = .changedKeys
saveRecordsOperation.perRecordCompletionBlock = { record, error in
if error != nil {
print(error!.localizedDescription)
}
// deal with conflicts
// set completionHandler of wrapper operation if it's the case
}
saveRecordsOperation.modifyRecordsCompletionBlock = { savedRecords, deletedRecordIDs, error in
self.theApp.isNetworkActivityIndicatorVisible = false
if error != nil {
print(error!.localizedDescription, error!)
} else {
print("ok")
}
}
saveRecordsOperation.qualityOfService = .background
privateDB.add(saveRecordsOperation)
theApp.isNetworkActivityIndicatorVisible = true
}
如果你想换一种方式,你可以用类似这个狙击手的代码从iCloud解码你的blob
let imageAsset = record["theImageBlob"] as? CKAsset
if let _ = imageAsset {
if let data = NSData(contentsOf: (imageAsset?.fileURL)!) {
imageObject = data
}
}
显然,这个例子同样是在处理图像数据,但你我都知道它的所有数据:)不管它是什么颜色
这里唯一需要注意的是速度,我非常确定资产与普通iCloud对象存放在不同的林中,访问它们可能会稍微慢一点。Ryan,请告诉我这个答案是否适用于您?勾选绿色框:)