问题
I enabled Document Types to import or copy files from other apps to my application. I have some questions :
1- Where should create the method of moving files form Inbox to Document directory ? is this the right place ?
func applicationWillEnterForeground(_ application: UIApplication)
2- On first view controller I am getting files from Document directory :
func getFileListByDate() -> [String]? {
let directory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
if let urlArray = try? FileManager.default.contentsOfDirectory(at: directory,
includingPropertiesForKeys: [.contentModificationDateKey],
options:.skipsHiddenFiles) {
return urlArray.map { url in
(url.lastPathComponent, (try? url.resourceValues(forKeys: [.contentModificationDateKey]))?.contentModificationDate ?? Date.distantPast)
}
.sorted(by: { $0.1 > $1.1 }) // sort descending modification dates
.map { $0.0 } // extract file names
} else {
return nil
}
}
But when a file imports to my app there is Inbox folder(item) in my table view , how can I automatically move files from Inbox to Document directory and remove Inbox folder ?
回答1:
If your app needs to open a file coming from another App you need to implement delegate method
func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
and move the url to the folder of your choice inside your App.
let url = url.standardizedFileURL // this will strip out the private from your url
// if you need to know which app is sending the file or decide if you will open in place or not you need to check the options
let openInPlace = options[.openInPlace] as? Bool == true
let sourceApplication = options[.sourceApplication] as? String
let annotation = options[.annotation] as? [String: Any]
// checking the options info
print("openInPlace:", openInPlace)
print("sourceApplication:", sourceApplication ?? "")
print("annotation:", annotation ?? "")
Moving the file out of the inbox to your destination URL in your case the documents directory appending the url.lastPathComponent:
do {
try FileManager.default.moveItem(at: url, to: destinationURL)
print(url.path)
print("file moved from:", url, "to:", destinationURL)
} catch {
print(error)
return false
}
return true
来源：https://stackoverflow.com/questions/46492353/ios-copying-files-from-inbox-folder-to-document-path