NSEG 第23回勉強会での発表で使用したスライドです。

1. iCloud
Mick Kubo(@komarineko)
http://komarineko.net/
2012 1 21
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2. • iCloud
...
....
• NSDocument
...
...
Web ...( )
• ...
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3. iCloud
• ( )
• ( )
• Apple
...
• ...
Google Evernote
• WWDC2011 iCloud
Windows API
...
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4. • iCloud
iCloud
• daemon ”ubd”
•
•
iCloud
“ubd” (ry
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5. • NSFilePresenter
• NSFileCoordinator
•
• UIDocument
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6. UIDocument
• NSFilePresenter
• UIDocument
loadFromContents:ofType:error: ( ) contentsForType:error: ( )
(ViewController) delegate
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7. UIDocument
• delegate (→View )
• View →
•UIDocumentStateChangedNotification
[NSNotificationCenter defaultCenter]
documentState
UIDocumentStateNormal :
UIDocumentStateInConflict :
UIDocumentStateSavingError
UIDocumentStateNormal
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8. • iCloud
defaultFileManager ( [NSFileManager defaultManager] )
URLForUbiquityContainerIdentifier:
→iCloud
nil iCloud
iCloud iCloud
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9. • NSMetadataQuery
)
NSMetadataQuery *query = [[NSMetadataQuery alloc] init];
query.predicate = [NSPredicate predicateWithFormat:@"%K ENDSWITH '.txt'", NSMetadataItemFSNameKey];
query.searchScopes = [NSArray arrayWithObject:NSMetadataQueryUbiquitousDocumentsScope];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateUbiquitousDocuments:)
name:NSMetadataQueryDidFinishGatheringNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateUbiquitousDocuments:)
name:NSMetadataQueryDidUpdateNotification object:nil];
[query startQuery];
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10. •
saveToURL:forSaveOperation:completionHandler:
forSaveOperation UIDocumentSaveForCreating
•
openWithCompletionHandler:
•
closeWithCompletionHandler:
( )
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11. • iCloud (
defaultFileManager ( [NSFileManager defaultManager] )
)
setUbiquitous:itemAtURL:destinationURL:error:
→ iCloud
setUbiquitous YES
iCloud →
setUbiquitous NO
• defaultFileManager ( [NSFileManager defaultManager] )
removeItemAtURL:error:
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12. • iCloud
setUbiquitous:itemAtURL:destinationURL:error:
( )
NSFilePresenter
)( iOS )
dispatch_queue_t q_default;
q_default = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_async(q_default, ^(void) {
NSFileManager *fileManager = [[NSFileManager alloc] init];
NSError *error = nil;
BOOL success = [fileManager setUbiquitous:YES itemAtURL:sourceURL
destinationURL:destinationURL error:&error];
dispatch_queue_t q_main = dispatch_get_main_queue();
dispatch_async(q_main, ^(void) {
if (success) {
FileRepresentation *fileRepresentation = [[FileRepresentation alloc]
initWithFileName:fileToMove.fileName url:destinationURL];
[_fileList removeObject:fileToMove];
[_fileList addObject:fileRepresentation];
NSLog(@"moved file to cloud: %@", fileRepresentation);
}
if (!success) {
NSLog(@"Couldn't move file to iCloud: %@", fileToMove);
}
});
});
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13. •
•
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