Nsdictionary as data. The value for key Prices is an array of [String:Int] .

Nsdictionary as data NSDictionary as a data structure for objects question. After fetching from the database, in this case, I need an NSDictionary with the same properties set to each of those @dynamic properties. I am adding "Brands" into a "Store" Detail. I honestly doubt this is the way to go about it. Here is what the data looks like: I am able to access all of the "root" data such as locality and thoroughfare using the following code. Balaji Ramakrishnan Balaji Ramakrishnan. – holex Commented Nov 30, 2015 at 10:31 I want to return the data type: NSDictionary. Fill that dictionary with data, then have another dictionary for say e. Modified 9 years, 11 months ago. I have tried to print the Dictionary to the console errors in the console" -- that is a useless statement. jsonObject(with: data!, options: . If what you really want is enumerate your dict by the order your keys were inserted in your dict, you can create a new NSMutableArray property/variable to store your keys, so they will preserve its order. But i want to get new JSON data in ClassB. It is a much needed simplification of the complexities of Core Data. Ask Question Asked 7 years, 11 months ago. text = [dict Unarchive Dictionary from Data : NSDictionary *dictionary = [NSKeyedUnarchiver unarchiveObjectWithData:archivedData]; Hope it helps. I am getting data from web service, I am putting it to NSDictionary, and by using valueForKey method, I am binding data into an array, it has 17 elements, but the count dispalys as 1, as the first data have double quotes. I have tried "let fetchRequest = NSFetchRequest(entityName:"CashFlow")" and "let fetchRequest = NSFetchRequest< CashFlow >(entityName:"CashFlow")" for (NSDictionary *aDict in responseDictionary["data"]) { }, as you have a root object which you just ignore, I guess. I've got method that converts NSDictionarys to POST argument strings for sending to an API we use in an app we're working on. What worked is the code below. It properly converts NSStrings, NSDates and NSArrays. (As far as I know all of these do conform to NSCopying unlike things like CGFloat. attribute = [packedData valueForKey:@"example"]; The valueForKey call will return an I have a data model like this: I want to get a sum list by group by catalog. Follow edited Jul 16, 2014 at 11:52. Use objectForKey: instead of valueForKey: for getting data from a dictionary. At the moment the hierachy of the NSDictionary is: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have two json files which are linked by key country_id (one country - many cities), data from a json file I write in NSDictionary s. The advantage of the native Swift way is that the dictionary uses generic types, I am trying to hit post type sending dictionary as parameter. Given those constraints, heterogeneous dictionaries are perfectly legal. Modified 6 years, 9 months ago. my code looks like this: NSFetchRequest *request = [[NSFetchRequest alloc] I'm trying to convert data from URLSession to a NSDictionary but it fails when converting the data to dictionary. Firstly how is that done? and secondly, what if I allow the user to log their own entries. However to actually get to the trend itself, I need to get through a few dates. NSDictionary *dictRoot = [NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"data" ofType:@"plist"]]; // Your dictionary contains an Looks like there can be more amount of data, so the best approach is to use core data to handle this scenario. As per my understanding you will Then I went on changed that NSArray into a NSDictionary that didn't work either. How can I do this? Skip to main content. id <NSFetchedResultsSectionInfo> sectionInfo = [[fetchedResultsController sections] objectAtIndex:section]; I am not sure if I am using the dictionary or the data object or both incorrectly. Add a comment | Addendum: Note that your line dict = [[NSDictionary alloc] init]; is totally useless, as you reaffect the variable "dict" in the very next line. Please guide, code is below: Data fetching which Instead of storing all information on tap of SUBMIT button, I suggest to store it in, - (void)textFieldDidEndEditing:(UITextField *)textField which is delegate method of UITextField. Every thing is working fine. This has been the same for years with no warning, but all of a sudden it has been Before I can get to any data, I need to firstly get through the first key named @"trends". I am stuck at a point when I convert data from web services to NSDictionary. And if you want to get JSON data into a dictionary you must E. I had to recreate NSArray* appData as NSDictionary* appData2. Without a few details as to what your data looks like and how you use it, no one can give you any valid advice. So, if you want to display the third section, just do: NSArray *tableDataPtr = [tableData objectAtIndex:@"3"]; This will select all the data you just created associated with the third month. mutableContainers) as? NSDictionary Share. 14. Franck Franck In my app, I have a NSDictionary whose keys should be instances of a subclass of NSManagedObject. However, once I close and re-run the app, I figure out that these information (dictionary) does not being stored. Viewed 463 times 0 I am creating an OS X app that will allow the user to play piano (using a MIDI keyboard). You must quote the errors exactly. Then I want to add the dictionaries to an array. I think I found the answer (haven't checked yet) buried in the NSDictionary writeup: Discussion I'm using the following method to access data about an object. You also need to retain it when you assign it. data objectForKey:key] could be null when the setObject statement for this NSMutableDictionary object called "data" is using valid items. jsonObject(with: data!, options: []) I'm trying to create an NSDictionary that keeps track of calling objects for a function. NSMutableDictionary *event2 = [NSMutableDictionary dictionaryWithObjectsAndKeys: I'm following a tutorial from a book and everything went fine untill i had to recieve the data from the tableView, i must mention that i modified some of the basic tutorial to fit my needs as i wor // Display recipe in the table cell NSDictionary *dict = [recipeNames objectAtIndex:indexPath. Follow answered Feb 27, 2012 at 20:24. Unfortunately I found no way to do this ! The only workaround I found is to write the NSData to a local file and use In my Core Data model, I have an attribute that is of the NSData type. Was What do you mean by "data model"? I know that term is supposed to have some "defined" meaning, but in reality it's all over the map. year,money. Just fetch the NSDictionary as mutableCopy, work on that, put the end result into an NSDictionary and reinsert that into the managedObject. NSMutableDictionary *dataSource = [[NSMutableDictionary alloc] init]; // This would need to be an ivar for (NSDictionary *rawItem in rawItems) { NSString *date = [rawItem objectForKey:@"date"]; // Store in the dictionary using the data as the key NSMutableArray *section = [dataSource I have a NSDictionary in which I wanted to store in my core data model. to "emulate" the selector dictionaryWithContentsOfURL: for the NSDictionary, you will need extra coding in C++, to parse the URL, and —if it is a remote resource— to connect and retrieve it, and then to unserialize data; other libraries may help of course (boost?), but the point is that if you need to port some special features of I'm trying to retrive data from the JSON dictionary. func regionDataReturn(rid: Int) -> NSDictionary { var jsonResult: NSDictionary = NSDictionary() let urlPath: String = "MY_SERVER/test. Follow answered Apr 14, 2020 at 6:18. 1,949 12 12 NSDictionary *JSONDataFinal = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error2]; I get an error: "garbage at end" and believe the approach is wrong, since it doesn't know how to put data from each consecutive call into the same key, and not create a key for each call. objective-c; ios; core-data; Share. plist file with Swift and Alamofire and I want to read values of . Its only function is to map from keys to values. I am running an Xcode 8 / Swift 3 program pulling data from a firebase database. ReadingOptions. delegate as! AppDelegate) let context :NSManagedObjectContext = appDel. ) – An NSDictionary is not an ordered collection, that is, it does not guarantee to preserve order of the contents in any way. So my advice would be to make a NSManagedObject subclass that would hold the information you have in your NSDictionary. The problem, however, is that NSManagedObject does not implement the NSCopying protocol which means that no Core Data objects / instances of NSManagedObject can be used as dictionary keys even though the -[hash] method works fine for them. and when I print the array in the Console, this is what I Examples of methods in NSDictionary including initialization with file, url, objects, enumerating, sorting, filtering, writing objects Neither class really helps you there, there are only two methods to instantiate an NSDictionary from external contents: Now where is the missing This links to a CoreData parameter, which stores NSDictionary as a Transformable within CoreData. You can fix the crash by: The first case is a raw integer type; the second one is an NSNumber object that Core Data will treat as containing an integer. an author and a title (key, value) to a dictionary. Is there a way in Swift to specify a specific date format for NSDate object? For example, if I have an NSDictionary with NSDate objects, and would like this JSON: { "something": [{ " JSON Results from output This image should help I am trying to get to [9] "vehicleLocation" I have an API from UTA that tracks transit data in real-time and displays JSON data let url = URL( I need to pass 2 NSDictionary from a ViewController to another ViewController, My App some times pass the data ok, but, another times, data don't reach to second ViewController. If you wish to serialize the dictionary and store it in a file, see the property list programming guide or archive and How to Convert NSDictionary into JSON ? I have posted a dictionary into server using json. for that i am using below code for I am calling normallogin method in classB using below code. Following: let json = try? JSONSerialization. And in the time receiving the data from the server using GET method. Below is what i tried so far, but i think format sending is not generating correctly. I downloaded . But while accessing on console in debug mode it returns , while when i bind the values of dictionary with view it works perfectly. In general is CoreData always the best solution, unless we talk about trivial data that only cost a few kb in memory and holding them won't do any harm. nameLabel. Here What is an NSCFDictionary? is a discussion regarding this and says to use this just like NSDictionary, but in The question is when I am not using a tableview or collection view indexpath how do I retrieve data from the NSDictionary? Here is the example shown in Apple's documentation: let value = dictionary["helloString"] Here is my prepareForSegue Code: [currentSession sendDataToAllPeers:data withDataMode:GKSendDataReliable error:nil]; to send an NSDictionary (or a plist file) containing data from 1 device to another, and - (void)receiveData:(NSData *)data fromPeer:(NSString *)peer inSession:(GKSession *)session context:(void *)context to receive it. If you're showing a clear button (cross icon) in UITextField, then you've to clear particular row from NSDictionary when user tap on clear button. This sets the textField's text to the text from the dictionary if there is any, but if there is not, I want the user to be able to set the text into a new NSDictionary that I can upload back to the server. You can check few tutorials on how to use core data - Link1, Link2. Notes will scroll from You address an NSDictionary with a pointer, I think you should use JSON for the body, but still. About; Products Processing NSDictionary Data. Below is the code:-NSDictionary *responseDict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments I'm trying to access the data in a dictionary. Modified 7 I'm receiving the correct addresses, I just want to read the data and fetch the "display_address" key from the NSDictionary – kebabTiger Commented Aug 13, 2015 at 7:44 If I wanted to add e. Firebase database: Here is some of instead of NSDictionary – Pipiks. I'd like to create a unique string for each object without knowing anything about it. EDIT: Incorporating Robert's improvement to get rid of an unneeded NSDictionary. Later I can do this: HTTP body shall be string, thus the data shall be converted from string object, or NSDictionary that is serialized to String. Ask Question Asked 12 years, 1 month ago. item,money. responseData(completionHandler: { response in if response. - (NSDictionary *)allData { NSString *path = [saveAlarm getNSPath]; . I'm also using core data to save the JSON response in Currently I'm trying to read a plist file, in Objective-C I would do the following to get the content as a NSDictionary: NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Config" ofType:@"plist"]; NSDictionary *dict = [[NSDictionary alloc] initWithContentsOfFile:filePath]; How do I get a plist as a Dictionary in Swift? An NSDictionary can only contain Objective-C objects in it (such as NSString and NSArray), it cannot contain primitive types like int, float, or char*. I've seen posts where NSDictionary loses data but in my case its a little wierd. result. For example, an interactive form could be represented as a I have defined these attributes to have transformable type using NSDictionary. The NSNumber is perhaps the issue, but all of this worked fine when "data" was just a locally alloc/init object. Then I had to wrap what would be each individual NSDictionary data object into another NSDictionary but I had to give this new object an explicit numeric index First of all don't use NSArray / NSDictionary, use native Swift types. Your line of code looks like this: myentity. That's quite like if you did sthg like: int a = 5; followed by a=8, of course the value that was in the variable before is replaced by the new one, and the previous value (your [[NSDictionary alloc] init] in your cas) is lost. Any help is greatly appreciated, thanks I ran into the same problem and ended up switching to NSDictionary as transformable attribute instead of NSMutableDictionary. That is fine and works perfectly. 21. month, and I have tried to do it in several ways which is found in internet, but I failed. The obj C method returns an NSDictionary. The object for key "data" in the JSON is a dictionary and it contains all the stuff I need. The value for key Prices is an array of [String:Int] String let date : Int let prices : [Price] private enum CodingKeys : String, CodingKey { case hall = "Hall", date = "Date", prices = "Prices"} } struct Price : Decodable { let time, price : And if we think about this, NSDictionary is a collection of data. Never use forced unwrapping, if you are not sure whether the data will be available or not. Unless you explicitly need it to be that type for some reason, I recommend using a Swift dictionary. php" var url: NSURL = NSURL(string: urlPath)! NSDictionary data shared between classes. As you can see in my updated question when I find that tokenData is not a NSDictionary I need to handle it. Then I went on changed that NSArray into a NSDictionary that didn't work either. Modified 10 years, 2 months ago. Commented Oct 6, You would need to cast your Dictionary to NSDictionary: struct Test { let name: String let age: Int let height: Double var dictionary: [String: Any] { return ["name Basically the data i received is array of dictionary with key value pair, but again a key 'records' is array Skip to main content. The second NSLog shows the 'frame' data which comes out as: NSRect: {{168, 102}, {5, 5}} How can I access the first set of coordinates from the NSRect and then the abscissa from the first pair? Maybe if you meant to ask about the maximum limit of a NSDictionary value then there is no such limit. Later on, if based on performance needs, switching to Core Data should not be too painful. NSDictionary's key's uniqueness is decided by hash method of NSObject. I'm able to access the data when it's a string like: cell. If you want to include a number such as 1 as a key or value, you should wrap it with an NSNumber:. k = genre v = artist name and fill it with data. let appDel:AppDelegate = (UIApplication. How can I use NSArray and NSDictionary with this SQL data? Ask Question Asked 8 years ago. I was going through some tutorials regarding storing custom objects in NSUserDefaults. Other people have solved that The problem is when there is incomplete data NSJSONSerialization. text = [[item objectForKey:@"merchant"]objectForKey: How to access data in a NSDictionary with objectForKey. Converting a struct into Data will be more troubling. Classes like NSArray and NSDictionary and NSData override description to print a pretty useful recursive description of their contents, but the default Also useful when printing out NSData that contains ASCII data is: p (char *) [data bytes] Share. So here's one way (there are other ways of sorting the keys): If you are going to save your data, you should create a model with a class. By now, I am able to create plist but there is no main key/dictionary. Follow "CoreDataObject" is the core data object you would like to convert into a NSDictionary while "coreDataObjectInstance" is an instance of this core data object. I m trying to get used to the switch to swift but I'm having a little trouble. I am saving NSDictionary to Core data after converting it to NSData then my Fetch looks like this. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Couldn't parse JSON data. Try this: NSData * bodyData = [NSJSONSerialization dataWithJSONObject:yourDictionaryObj options:0 error:&error]; Right now I'm manually setting this data from a NSDictionary to each cell and I'm setting a property of UITextField to each cell's UITextField. There are advantage of using core data over NSUserDefault and file system, as those load all the data at once and you might face some issue in performance. How can I solve this problem? I used JSON method in the function. var I need the NSDictionary to encode to an NSData object as well as taking that NSData object and decode it into a NSDictionary. And sometimes ordering the allKeys property it's not what you really want. (And suggesting a singleton as the "solution" at this stage of the design is just dumb. cptdanko cptdanko. For that you've to add, - Here I create a new Event NSDictionary then add that data to the DayData Dictionary. Did you know that POSTMAN can generate Swift Code for its request? Do it, and compare what's the diff (even if it's bad written code, logic should be there), you'll see. value { if let plistXml = String(data: data, encoding: . Modified 5 years, 10 months ago. Could not cast value of type '__NSArrayI' (0x10f02fc08) to 'NSMutableArray' (0x10f02fcd0). Although they are corresponding types, CFDictionary and NSDictionary do not have identical interfaces or implementations, and you can sometimes do things with CFDictionary that you cannot easily I am trying to fetch data from an url https: options: JSONSerialization. Here is the BViewController where I store the data in NSUserDefaults let allResults: NSDictionary[] = results["results"] as NSDictionary[] UPDATE: I printed the class of the results object as it is being returned as __NSCFDictionary. Follow Then, you create an NSArray pointer to the data set you want to use. managedObjectContext let noteDict = NSFetchRequest (entityName How to get new JSON object data in classB. Then I had to wrap what would be each individual NSDictionary data object into another NSDictionary but I had to give this new object an explicit numeric index Because NSDictionary and CFDictionary are “toll-free bridged,” you can substitute a CFDictionary object for a NSDictionary object in your code (with appropriate casting). The data assigned to this attribute is supposed to represent a dictionary. Commented Jul 28, 2017 at 11:01 @Pipiks thanks for reply, I got errors changing to Boolean its says " Fix-it Replace with DarwinBoolen" , Could you please answer to You're using NSDictionary. But you time numbers tell that you have a lot data. That works just fine. I can't figure out which is the better approach and/or benefits regarding storing your model after converting it back to NSDictionary and storing the dictionary vs using NSKeyedArchiver to store the object in NSUserDefaults. Improve this answer. Apparently Swift see this object as a type [AnyHashable : Any]. What I would like to know is how can I get the trend data without knowing the dates. But main code got empty NSDictionary. EDIT2: Because you're returning an object across an API boundary, it need to be retuned as an autoreleased object. I need consult a web Please elaborate why you want to do this. As other people said, you cannot garantee order in NSDictionary. Remember that you are answering the question for readers in the future, not just the person asking now. Not everything in this data is required at all time. Please tell me how to do get data. the data cant be accessed using normal key calling method like You need to release _allData before reassigning it. question : if i selected one of the countries from first FWIW, I accumulate the description string (with data consisting primarily of the results from calls to NSDictionary description) in an NSMutableString, then do NSString stringFromString at the exit (though I don't know that that does anything). Update: If you want to get the benefit of fastness of dictionary access and along with that if you want to persist your data then a double layered approach might work for you. . row]; cell. NSData -> NSDictionary. Ask Question Asked 9 years, 11 months ago. My question is, how do I "reload" tokenData to get the NSDictionary? Should I call NSDictionary *tokenData = [[responseDict objectForKey:@"data"] objectForKey:@"multipass"]; again? maybe inside a while to make sure it's a NSDictionary? – Welcome to Stack Overflow! While this code may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post, and probably result in more up-votes. If you need the contents ordered, you can extract it from the NSDictionary using for example keysSortedByValueUsingSelector, which will extract the data in the collection, sort it by your Access data in NSDictionary using Swift. Did the trick for me and i havent found another solution yet. If you want to retrieve values from an NSDictionary in a fixed order then you need to order the keys used to retrieve those values. Every day of the week gets a "trip2" data set when Monday is only suppose to. Added. Viewed 6k times Part of Mobile Development Collective ["data"]["gross"] Share. textLabel. My Array should look like this : [Bengaluru, Karnataka 560008, India,Bengaluru, Karnataka 560008, India,Bengaluru, Karnataka 560008, India,256, Road Number 19, Wadla Village, Vadala, Mumbai, Maharashtra 400031, In the B Viewcontroller, I store data into NSUserDefaults and retrieve them in AViewController. ) There are a few good WWDC workshops that show how to deal with this. When I try to save the dictionaries, and print them to check, they get converted into a single string for some Now I would like to build the NSDictionary from those bytes. NSDictionary *header=[[NSDictionary alloc] my model looks like this: i am trying to fetch an array of articles (as NSDictionary) and also include their images. Second, another big thanks for not having read the data you got back. answered Jul 16 I need to create plist dictionary with main key, for instance: @"events". Follow answered May 9, 2016 at 12:50. This is because dictionaries are fundamentally unordered data structures. But the output is not correct. In CoreData the closest thing you got to a collection of data is NSManagedObject. Viewed 166 times 0 Firstly, thanks for publishing your Flickr API key as-is! It will be super useful for me to perform identity theft some day. Use this object when providing commands to your table view delegate and data source. Share. allowFragments) as? NSDictionary {let theList: NSArray = jsonObj["data"] as! NSArray. JSONObjectWithData is crashing the application giving unexpectedly found nil while It would be way better if you could just catch To process your data you would need to do something like. I have a class that includes some data including NSString and NSIntegers and GLfloats. I need to fetch the datas in address from the Address dictionary and store it in an array . NSData *data = [[NSMutableData alloc] initWithContentsOfFile:[self dataFilePath]]; NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data]; NSDictionary *myDictionary = [[unarchiver The NSDictionary class declares the programmatic interface to objects that manage immutable associations of keys and values. Look into MagicalRecord. utf8) { // plistXml contains the actual plist contents as String object. I would not recommend building your own indexes with NSDictionary. Stack Overflow. The main dictionary with key will call arrays of data. About -(NSDictionary)dictionaryWithObjectsAndKeys: and. plist file. A Table in a database is kind of a collection of data. From Apple's documentation of the description method This method is intended to produce readable output for debugging purposes, not for serializing data. sharedApplication(). 842 2 2 gold badges 13 13 silver badges 22 22 bronze badges. Ask Question Asked 10 years, 2 months ago. download(url). During the execution, it performs as it expected. I am correctly serializing the data I believe but, I can not get the JSON serialized data to show up in an NSDictionary. – El Tomato. isSuccess { if let plistData = response. Now I've got a situation where one of the objects in my dictionary might actually be another dictionary and I was wondering how to handle that in terms of the I have a code the calls an objective C method from a swift method. I'm doing the same thing in a project where the JSON response from server always have the keys "code", "message", and "data". In fact, "data" is not sent data at all. loginconnectiomm *lconnection =[[loginconnectiomm alloc]init]; [lconnection normallogin]; You are trying to force unwrap an optional that can be nil. You can pass a Swift dictionary to any function expecting NSDictionary without any extra work, because Dictionary<> and NSDictionary seamlessly bridge to each other. You are using valueForKey: instead of objectForKey: for retrieving data from a dictionary. How do I read the information for this type? For example for a NSDictionary I would say NSString *s = [dict objectForKey:"key"]. I can't use NSString's Is it me or when you encode a NSDictionary dictionary that contains a NSData object, decoding the NSDictionary decodes the NSData as a NSMutableData? This is on Catalina b9, Xcode JSONSerialization. let storeName = value["StoreName"] as! I'm baffled how [self. About; NSData *data = [NSKeyedArchiver archivedDataWithRootObject:yourDictionary]; Share. At that point, you are beginning to write your own database. g. Since the question is tagged core-data, I assume you are talking about the section information you get from a NSFetchedResultsController via . The first NSLog shows all of the data. if let url = URL(string: urlString) { Alamofire. I would like to get some data in user profile, I've got some info but I got stuck at this one.

Nsdictionary as data. How to get new JSON object data in classB.

Nsdictionary as data. The value for key Prices is an array of [String:Int] .