I working in app using CloudKit. I'm implement a way to get deltas from CloudKit to my app (I'm using the public database). I get a response back from fetchNotificationChangesCompletionBlock block but I don't get a response back from notificationChangedBlock.
Here is my code:
-(void)checkForNewData
{
CKServerChangeToken *token = [[cloudKitToken helper] getCloudKitToken];
CKFetchNotificationChangesOperation *op = [[CKFetchNotificationChangesOperation alloc]
initWithPreviousServerChangeToken:token];
NSMutableArray *noteIds = [[NSMutableArray alloc] init];
op.notificationChangedBlock = ^(CKNotification *note)
{
CKNotificationID *noteId = note.notificationID;
[noteIds addObject:noteId];
if([note isKindOfClass:[CKQueryNotification class]]) {
CKQueryNotification *qNote = (CKQueryNotification *)note;
CKRecordID *changedRecordID = qNote.recordID;
NSLog(#"I got CKQueryNotification");
}
};
op.fetchNotificationChangesCompletionBlock = ^(CKServerChangeToken *token, NSError *error) {
NSLog(#"error %#", error.localizedDescription);
};
[[CKContainer defaultContainer] addOperation:op];
}
Any of you knows what I'm doing wrong or what is wrong with my code?
I'll really appreciate your help.
Related
I had created the new project which fetches the track of songs, so I tried to pass an array of SPTTracks to the player, please find it below.
self.player = [[SPTAudioStreamingController alloc] initWithClientId:auth.clientID];
self.player.diskCache = [[SPTDiskCache alloc] initWithCapacity:1024 * 1024 * 64];
NSString *trackURI = #"spotify:track:1zHlj4dQ8ZAtrayhuDDmkY";
[SPTTrack trackWithURI:[NSURL URLWithString:trackURI] accessToken:auth.session.accessToken market:#"ES" callback:^(NSError *error, id object) {
if (!error) {
SPTTrack *trackInfo = object;
NSArray *tracks = #[trackInfo];
[self.player playURIs:tracks fromIndex:0 callback:^(NSError *error) {
if (!error) {
} else {
NSLog(#"*** Failed to play track : %#", error);
}
}];
} else {
NSLog(#"Error %#", error);
}
}];
But I get crashes, whenever I run it. Please find error below while it is getting crash :
Simple Track Playback[254:24669] -[__NSCFConstantString absoluteString]: unrecognized selector sent to instance 0x1000c0508
I had also looked it on spotify api spotify_ios_sdk but I had found that one developer had already posted the same issue link.
If anyone has solved these type of issue then please provide your guidance.
Thanks in advanced.
Unfortunately, this method is not "equivalent", because the SPTTrack object returned inside the callback of [SPTTrack trackWithURI.... has many less informations.
I've tried some workaround, and I found that for me the solution is
1) Create a request for an SPTTrack object.
2) Pass that request to SPRequest performRequest callback.
3) Wait for the response, and eventually create a track from data (please find the below complete code).
self.player = [[SPTAudioStreamingController alloc] initWithClientId:auth.clientID];
self.player.diskCache = [[SPTDiskCache alloc] initWithCapacity:1024 * 1024 * 64];
NSString *market = [[NSLocale currentLocale] objectForKey:NSLocaleCountryCode];
NSURLRequest *request = [SPTTrack createRequestForTrack:[NSURL URLWithString:#"spotify:track:1zHlj4dQ8ZAtrayhuDDmkY"]
withAccessToken:auth.session.accessToken
market:market
error:nil];
[[SPTRequest sharedHandler] performRequest:request
callback:^(NSError *error, NSURLResponse *response, NSData *data) {
if (!error) {
NSError *parsingError = nil;
SPTTrack *track = [SPTTrack trackFromData:data
withResponse:response
error:&parsingError];
self.arrURIs = #[track.playableUri];
[self.player playURIs:self.arrURIs fromIndex:0 callback:nil];
}
}];
Thanks "Kry256" for detail explaination.
Downloading a CKRecord from CloudKit and when plotting creator recordName, I can see this:
(lldb) po record.creatorUserRecordID.recordName
__defaultOwner__
but, Dashboard show a real value.
Why the difference?!
I hope I do not have to download only because of this the logged in user first?!
__defaultOwner__ mean's it's owned by the currently logged in iCloud account. So you could could check for that and display "Me" or the person's name if you have it. If you need to find out the logged-in user's recordID you can use the async method: fetchUserRecordIDWithCompletionHandler.
it is a bug
edit this:
- (void)postMoodFeed:(NSString *)moodFeed
{
CKRecord *moodRecord = [[CKRecord alloc] initWitenter code herehRecordType:#"Mood"];
moodRecord[#"moodFeed"] = moodFeed`enter code here`
[[[CKContainer defaultContainer] publicCloudDatabase] saveRecord:moodRecord completionHandler:^(CKRecord *record, NSError *error) {
[self queryMyMood];
}];
}
- (void)queryMyMood
{
// currentUserRecordID is fetched from fetchUserRecordIDWithCompletionHandler: of CKContainer
NSPredicate *predicate = [NSPredicate predicateWithFormat:#"creatorUserRecordID = %#", currentUserRecordID];
CKQuery *query = [[CKQuery alloc] initWithRecordType:#"Mood" predicate:predicate];
[[[CKContainer defaultContainer] publicCloudDatabase] performQuery:query inZoneWithID:nil completionHandler:^(NSArray *results, NSError *error) {
if (results) {
for (CKRecord *eachRecord in results) {
// Following logs are all __defaultOwner__
NSLog(#"%#", eachRecord.creatorUserRecordID.recordName);
[[[CKContainer defaultContainer] publicCloudDatabase]fetchRecordWithID:eachRecord.creatorUserRecordID completionHandler:^(CKRecord *record, NSError *error) {
// All following logs are "Unknown item" error
NSLog(#"%#", error);
}];
}
}
}];
}
Trying to Authenticate with Azure Active Directory and fetch mail, calendar data, accessToken is returned successfully:
authority = #"https://login.windows.net/common/oauth2/authorize";
redirectUriString = #"http://xxxxxx.xxxxxxx.com/oauth";
resourceId = #"https://outlook.office365.com";
clientId = #"xxxxxxx-xxxxx-xxx";
-(void) getToken : (BOOL) clearCache completionHandler:(void (^) (NSString*))completionBlock;
{
ADAuthenticationError *error;
authContext = [ADAuthenticationContext authenticationContextWithAuthority:authority
error:&error];
[authContext setValidateAuthority:YES];
NSURL *redirectUri = [NSURL URLWithString:redirectUriString];
if(clearCache){
[authContext.tokenCacheStore removeAllWithError:&error];
if (error) {
NSLog(#"Error: %#", error);
}
}
[authContext acquireTokenWithResource:resourceId
clientId:clientId
redirectUri:redirectUri
completionBlock:^(ADAuthenticationResult *result) {
if (AD_SUCCEEDED != result.status){
// display error on the screen
[self showError:result.error.errorDetails];
}
else{
completionBlock(result.accessToken);
}
}];
}
-(NSArray*)getEventsList
{
__block NSMutableArray * todoList;
[self getToken:YES completionHandler:^(NSString* accessToken){
NSURL *todoRestApiURL = [[NSURL alloc]initWithString:#"https://outlook.office365.com/api/v1.0/me/folders/inbox/messages?$top=2"];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:todoRestApiURL];
NSString *authHeader = [NSString stringWithFormat:#"Bearer %#", #""];
[request addValue:authHeader forHTTPHeaderField:#"Authorization"];
[request addValue:#"application/json; odata.metadata=none" forHTTPHeaderField:#"accept"];
[request addValue:#"fbbadfe-9211-1234-9654-fe435986a1d6" forHTTPHeaderField:#"client-request-id"];
[request addValue:#"Presence-Propelics/1.0" forHTTPHeaderField:#"User-Agent"];
//[request addValue:#"true" forHTTPHeaderField:#"return-client-request-id"];
NSOperationQueue *queue = [[NSOperationQueue alloc]init];
[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
if (error == nil){
NSArray *scenarios = [NSJSONSerialization JSONObjectWithData:data options:0 error:nil];
todoList = [[NSMutableArray alloc]initWithArray:scenarios];
//each object is a key value pair
NSDictionary *keyVauePairs;
for(int i =0; i < todoList.count; i++)
{
keyVauePairs = [todoList objectAtIndex:i];
NSLog(#"%#", keyVauePairs);
}
}
NSLog(#"Finished");
//[delegate updateTodoList:TodoList];
}];
}];
return nil; }
Error is returned in response object:
{
error = {
code = ErrorAccessDenied;
message = "Access is denied. Check credentials and try again.";
};
}
I know its late to answer this but it might be helpful for someone like me who was struggling to get the same thing done
I have done this using the office 365 SDK for iOS which has all the inbuilt classes to do your work.
If you download their sample code it will provide you all the details you require to do certain operations (mail, calendar, contacts, one drive).
Before using the SDK make sure you login to Azure AD and register your application and add permissions so that you do not get 403 error code or any access denied message.
I am using the below code to fetch my events details from outlook calendar
[self getClientEvents:^(MSOutlookClient *client) {
NSURLSessionDataTask *task = [[[client getMe] getEvents] read:^(NSArray<MSOutlookEvent> *events, MSODataException *error) {
if (error==nil) {
if (events.count!=0) {
dispatch_async(dispatch_get_main_queue(), ^{
for(MSOutlookEvent *calendarEvent in events){
NSLog(#"name = %#",calendarEvent.Subject);
}
});
}else{
NSLog(#"No events found for today");
}
}
}];
[task resume];
}];
getClientEvents is a method which gives call to the Office 365 SDK and fetches the event details of the user but it first fetches the token for the resource and then makes the call with the acquired token
-(void)getClientEvents : (void (^) (MSOutlookClient* ))callback{
[self getTokenWith : #"https://outlook.office365.com" :true completionHandler:^(NSString *token) {
MSODataDefaultDependencyResolver* resolver = [MSODataDefaultDependencyResolver alloc];
MSODataOAuthCredentials* credentials = [MSODataOAuthCredentials alloc];
[credentials addToken:token];
MSODataCredentialsImpl* credentialsImpl = [MSODataCredentialsImpl alloc];
[credentialsImpl setCredentials:credentials];
[resolver setCredentialsFactory:credentialsImpl];
[[resolver getLogger] log:#"Going to call client API" :(MSODataLogLevel *)INFO];
callback([[MSOutlookClient alloc] initWithUrl:#"https://outlook.office365.com/api/v1.0" dependencyResolver:resolver]);
}];
}
getTokenWith method fetches the token for a resource first and then with the acquired token makes the necessary calls to fetch the events, but before fetching the token it checks in the cache to see if there are any tokens available for the same resource.
// fetch tokens for resources
- (void) getTokenWith :(NSString *)resourceId : (BOOL) clearCache completionHandler:(void (^) (NSString *))completionBlock;
{
// first check if the token for the resource is present or not
if([self getCacheToken : resourceId completionHandler:completionBlock]) return;
ADAuthenticationError *error;
authContext = [ADAuthenticationContext authenticationContextWithAuthority:[[NSUserDefaults standardUserDefaults] objectForKey:#"authority"] error:&error];
NSURL *redirectUri = [NSURL URLWithString:#"YOUR_REDIRECT_URI"];
[authContext acquireTokenWithResource:resourceId
clientId:[[NSUserDefaults standardUserDefaults] objectForKey:#"clientID"]
redirectUri:redirectUri
completionBlock:^(ADAuthenticationResult *result) {
if (AD_SUCCEEDED != result.status){
[self showError:result.error.errorDetails];
}
else{
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
[userDefaults setObject:result.tokenCacheStoreItem.userInformation.userId forKey:#"LogInUser"];
[userDefaults synchronize];
completionBlock(result.accessToken);
}
}];
}
getCacheToken method: Checks if there are any reusable token for any resources.
-(BOOL)getCacheToken : (NSString *)resourceId completionHandler:(void (^) (NSString *))completionBlock {
ADAuthenticationError * error;
id<ADTokenCacheStoring> cache = [ADAuthenticationSettings sharedInstance].defaultTokenCacheStore;
NSArray *array = [cache allItemsWithError:&error];
if([array count] == 0) return false;
ADTokenCacheStoreItem *cacheItem;
for (ADTokenCacheStoreItem *item in array) {
if([item.resource isEqualToString:resourceId]){
cacheItem = item;
break;
}
}
ADUserInformation *user = cacheItem.userInformation;
if(user == nil) return false;
if([cacheItem isExpired]){
return [self refreshToken:resourceId completionHandler:completionBlock];
}
else
{
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
[userDefaults setObject:user.userId forKey:#"LogInUser"];
[userDefaults synchronize];
completionBlock(cacheItem.accessToken);
return true;
}
}
Using this code and Office 365 SDK in place you can get the outlook events for a particular user, before that make sure you have full permissions in the Azure AD else you may get 0 events as response.
Please note all the methods are from the SDK example apart from the first method to view how to fetch the events i would recommend to download the exchange example from the github.
You can also use MSGraph SDK to fetch calendars and events:
Check this link: Configuration process is same, only fetching events is different(see given code for fetching events):
How to Fetch/Create calender by O365-iOS-Connect?
Note: Above link is used to fetch calendars from outlook the process is same for this but you should use this code after authentication and completed get events action look like this:
- (IBAction)getCalendarsEvents:(id)sender {
[NXOAuth2AuthenticationProvider setClientId:clientId
scopes:#[#"https://graph.microsoft.com/Files.ReadWrite",
#"https://graph.microsoft.com/Calendars.ReadWrite"]];
[[NXOAuth2AuthenticationProvider sharedAuthProvider] loginWithViewController:nil completion:^(NSError *error) {
if (!error) {
[MSGraphClient setAuthenticationProvider:[NXOAuth2AuthenticationProvider sharedAuthProvider]];
self.client = [MSGraphClient client];
// Authentication done
[[[[_client me] events] request] getWithCompletion:^(MSCollection *response, MSGraphUserEventsCollectionRequest *nextRequest, NSError *error){
NSArray *arr = response.value;
MSGraphEvent *event = arr.firstObject;
// Here you will getting outlook events
}];
}
}];
}
I have been playing with icloud in the ios 8 beta, and the CloudKitAtlasAnIntroductiontoCloudKit sample project has been very helpful.
https://developer.apple.com/library/prerelease/ios/samplecode/CloudAtlas/Introduction/Intro.html
But I wanted to use the CKDiscoverAllContactsOperation class and I cannot find any sample code for it anywhere at all and the online documentation is not very helpful.
https://developer.apple.com/library/prerelease/ios/documentation/CloudKit/Reference/CKDiscoverAllContactsOperation_class/index.html
If anyone has managed to successfully use CKDiscoverAllContactsOperation could you please help point me in the right direction or show a working example of how it should be called?
I have tried this to see if I could even get an response from iCloud but nothing:
- (void)queryForRecordsOtherUsersInAddressBookcompletionHandler:(void (^)(NSArray *records))completionHandler {
CKDiscoverAllContactsOperation *discoverAllContactsOperation= [[CKDiscoverAllContactsOperation alloc] init];
[discoverAllContactsOperation setContainer:_container];
NSMutableArray *results = [[NSMutableArray alloc] init];
discoverAllContactsOperation.discoverAllContactsCompletionBlock = ^(NSArray *userInfos, NSError *operationError) {
[results addObjectsFromArray:userInfos];
};
discoverAllContactsOperation.discoverAllContactsCompletionBlock=^(NSArray *userInfos, NSError *operationError){
if (operationError) {
// In your app, handle this error with such perfection that your users will never realize an error occurred.
NSLog(#"An error occured in %#: %#", NSStringFromSelector(_cmd), operationError);
abort();
} else {
dispatch_async(dispatch_get_main_queue(), ^(void){
completionHandler(results);
});
}
};
}
and calling with this...
[self.cloudManager queryForRecordsOtherUsersInAddressBookcompletionHandler:^(NSArray *records ) {
if (records.count==0){
NSLog(#"Login name not found");
return;
}
//self.results= records;
//_loggedInRecord = self.results[0];
//NSLog(#"%#,%#",_loggedInRecord[#"lastName"],_loggedInRecord[#"firstName"]);
// [self performSegueWithIdentifier:#"loggedInSegue" sender:self ];
}];
I know the code shouldn't really do anything. Again I was just looking for a response from iCloud.
Here is what I am using. self.container is a CKContainer set with [CKContainer defaultContainer] in the init.
-(void)queryForAllUsers: (void (^)(NSArray *records))completionHandler {
CKDiscoverAllContactsOperation *op = [[CKDiscoverAllContactsOperation alloc] init];
[op setUsesBackgroundSession:YES];
op.queuePriority = NSOperationQueuePriorityNormal;
[op setDiscoverAllContactsCompletionBlock:^(NSArray *userInfos, NSError *error) {
if (error) {
NSLog(#"An error occured in %#: %#", NSStringFromSelector(_cmd), error);
//abort();
} else {
// NSLog(#"Number of records in userInfos is: %ld", (unsigned long)[userInfos count]);
dispatch_async(dispatch_get_main_queue(), ^(void){
completionHandler(userInfos);
});
}
}];
[self.container addOperation:op];
}
Before you can use the CKDiscoverAllContactsOperation operation, you first need to request for permission.
Pls use the method requestApplicationPermission:completion:
func discoverAllContacts() {
let container = CKContainer.defaultContainer()
//Request for user permission
container.requestApplicationPermission([.UserDiscoverability]) { [weak self] status, error in
switch status {
case .Granted where error == nil:
let operation = self?.discoverAllContactsOperation { usersInfo in
//do something here
}
if let operationExists = operation {
//Assuming there is a NSOperationQueue property called operationQueue
self?.operationQueue.addOperation(operationExists)
}
default:
break
}
}
}
func discoverAllContactsOperation(completionHandler: ([CKDiscoveredUserInfo]?) -> ()) -> NSOperation {
let operation = CKDiscoverAllContactsOperation()
operation.discoverAllContactsCompletionBlock = { usersInfo, error in
if error == nil {
print("Discoverd all contacts = \(usersInfo)")
completionHandler(usersInfo)
}
else {
print("Discoverd all contacts error = \(error)")
completionHandler(nil)
}
}
return operation
}
I have method called collectData in my app which is the most important part of my View Controller. In that method I do a couple of signicant things (downloading, parsing, saving to persistent store), so it would be easier for you to take a look:
-(void)collectData
{
// Downloading all groups and saving them to Core Data
[[AFHTTPRequestOperationManager manager] GET:ALL_GROUPS parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSMutableDictionary* groups = [NSMutableDictionary new];
NSMutableArray* newIds = [NSMutableArray new];
NSError *error;
// Saving everything from response to MOC
for (id group in responseObject) {
Group *groupEntity = [NSEntityDescription insertNewObjectForEntityForName:#"Group" inManagedObjectContext:self.moc];
groupEntity.name = [group valueForKey:#"name"];
groupEntity.cashID = [group valueForKey:#"id"];
groupEntity.caseInsensitiveName = [[group valueForKey:#"name"] lowercaseString];
groupEntity.selected = #NO;
// Filling up helping variables
groups[groupEntity.cashID] = groupEntity;
[newIds addObject:groupEntity.cashID];
}
// Fetching existing groups from Persistant store
NSFetchRequest* r = [NSFetchRequest fetchRequestWithEntityName:#"Group"];
[r setIncludesPendingChanges:NO];
r.predicate = [NSPredicate predicateWithFormat:#"cashID IN %#",newIds];
NSArray *existingGroups = [self.moc executeFetchRequest:r error:&error];
// Deleting groups which already are in database
for (Group* g in existingGroups) {
Group* newGroup = groups[g.cashID];
g.name = [newGroup valueForKey:#"name"];
g.cashID = [newGroup valueForKey:#"cashID"];
g.caseInsensitiveName = [[newGroup valueForKey:#"name"] lowercaseString];
[self.moc deleteObject:newGroup];
}
// Saving Entity modification date and setting it to pull to refresh
[self saveModificationDate:[NSDate date] forEntityNamed:#"Group"];
[self.pullToRefreshView.contentView setLastUpdatedAt:[self getModificationDateForEntityNamed:#"Group"]
withPullToRefreshView:self.pullToRefreshView];
// Save groups to presistant store
if (![self.moc save:&error]) {
NSLog(#"Couldn't save: %#", [error localizedDescription]);
}
[[self fetchedResultsController] performFetch:&error];
[self.pullToRefreshView finishLoading];
[self.tableView reloadData];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// Show alert with info about internet connection
[self.pullToRefreshView finishLoading];
UIAlertView *internetAlert = [[UIAlertView alloc] initWithTitle:#"Ups!" message:#"Wygląda na to, że nie masz połączenia z internetem" delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil, nil];
[internetAlert show];
}];
}
So when I start collecting data (first run or push to refresh) this method is blocking UI.
I want to avoid this but when I put the success block into another dispatch_async and get back to main queue only for [self.tableView reloadData] I face problem with saving to persistent store or something with bad indexes.
How can I do this whole thing in background and leave UI responsive to the user?
Just an idea, give it a try using dispatch_sync. Have a look at this explanation here where log result something similar to your need. Put [yourTableView reloadData] after synchronous block.
Hope it helps!
It seems AFNetwork call is not async so just try to call your method via performselector.