Save dictionary in userdefaults in swift 3 with xcode 8

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I am using the following code to save an object to UserDefaults (previously NSUserDefaults) using xcode 8:

let defaults = UserDefaults.standard()
defaults.set(someObject, forKey: "someObject")
print(defaults.object(forKey: "someObject"))

someObject is a dictionary and I am running on the simulator.

For some reason this is not saving the value and 'nil' is printed. Wondering if it's a simulator problem.

For Swift 3

UserDefaults.standard.setValue(token, forKey: "user_auth_token")
print("\(UserDefaults.standard.value(forKey: "user_auth_token")!)")

iOS Notes 29: How to save Dictionary in UserDefaults?, Swift 5 Xcode 11 iOS 13. Storing data in the defaults database is simple thanks to the easy-to-use API of the UserDefaults class. You can take  Swift 3 User Defaults. The UserDefaults (formerly NSUserDefaults) is a great way to quickly and easily save persistent data through the lifespan of the app. So in other words, these variables get saved as long as the app hasn’t been deleted. So for example, you might ask for a user’s name, then save it so every time they open the app,

Working perfectly here with this..!

    let dict:[String:String] = ["key":"Hello"]
    UserDefaults.standard.set(dict, forKey: "dict")
    let result = UserDefaults.standard.value(forKey: "dict")
    print(result!)
    // Output -> { key:hello;}

How to Store a Dictionary in User Defaults in Swift, Lessons and Playgrounds Code Snippets for Swift 3, Sprite Kit, and Xcode 8 So for example, you might ask for a user's name, then save it so every time they open And if you're coding in Xcode you'll notice as soon as you write defaults.​set, the 3. for (key, value) in UserDefaults.standard.dictionaryRepresentation() {​. In this tutorial we walk through the basics of saving data using UserDefaults is Swift. We'll discuss what types of data you can save, some of the security issues involved, and how to make it all

This is the undocumented-but-known issue that NSUserDefaults/UserDefualts does not work in the iOS 10 simulator if the iOS 8/9 simulator has been previously run.

Rebooting your Mac and going straight to XCode 8, iOS 10 simulator will fix this issue.

See also: Why won't my app run in XCode 8 beta (8S128d)

Swift 3 User Defaults, nsuserdefault in swift, NSUserDefaults , set NSUserDefaults in swift , get You can also store Array, Dictionary and NSData value store in NSUserDefault. When you Next Audio Recording and Playing in Swift 3.0. iOSDevCenters Views. 5​324854 List of all stable and beta version of Xcode : Xcode 11 GM Xcode 10.3 . Swift 3: Audible - UserDefaults to Save Logged In State (Ep 10) - Duration: Import An Image From Photo Library Or Camera In xCode 8 (Swift 3.0) - Duration: 9:59. The Swift Guy 52,559 views.

This problem seems to be caused by having two versions of xcode/simulator installed.

What worked for me was uninstalling xcode 7 and just keeping xcode 8 beta on my system. Emptying trash, resetting the simulator and running. I also restarted my computer.

After following these steps the simulator is able to save to UserDefaults.

Save and Get data from NSUserDefaults in Swift., The easiest way to save data in IOS is using NSUserDefaults and also you ca NSUserDefaults : An interface to the user's defaults database, where you store key-value pairs of) NSData, NSString, NSNumber, NSDate, NSArray, or NSDictionary. How to Fix Use Legacy Swift issue in Xcode 8 Beta 3. All iOS apps have a built in data dictionary that stores small amounts of user settings for as long as the app is installed. This system, called UserDefaults can save integers, booleans, strings, arrays, dictionaries, dates and more, but you should be careful not to save too much data because it will slow the launch of your app.

Swift 4:-

let defaults = UserDefaults.standard

let dictionary: [String:String] = ["key":"Value"]  //Dictionary which you want to save

defaults.setValue(dictionary, forKey: "DictValue") //Saved the Dictionary in user default

let dictValue = defaults.value(forKey: "DictValue") //Retrieving the value from user default 

print(dictValue)  // Printing the value 

where is nsuserdefaults stored ?, Last updated on November 3, 2019. Xcode 11.2 Swift 5.1.2 A property list, or NSUserDefaults can store any type of object that can be converted to Thankfully, Swift Strings, Arrays, and Dictionaries are automatically converted to their NS 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. let userNameKeyConstant = "​userNameKey". The user defaults is a .plist file in your app’s package and you can use it to set and get simple pieces of data. It’s structure is very similar to that of a dictionary and the user defaults are often regarded as a key-value store. Quick Note: Before Swift 3, the UserDefaults class was known as NSUserDefaults.

NSUserDefaults — A Swift Introduction, All iOS apps have a built in data dictionary that stores small amounts of user settings for as long as the app is installed. This system, called  UserDefaults.standard.set(self.tapCount, forKey: "Tap") In just that single line of code you can see three things in action: We need to use UserDefaults.standard. This is the built-in instance of UserDefaults that is attached to our app, but in more advanced apps

How to save user settings using UserDefaults, Swift · UIKit · Xcode · Software Architecture · Resources · Foundation · Android · Objective-C Hint: This post is using Swift 3 and iOS 10 Arrays and dictionaries are property lists, if they only store values of the types mentioned above. 8. 9. 10. 11. 12. 13. 14. class UserDefaultsManager {. private static let  Update for Swift 2, Xcode 7: As @atxe noticed, NSUserDefaults dictionaries are now mapped as [String, AnyObject].This is a consequence of the Objective-C “lightweight generics” which allow

UserDefaults, Lets learn how to use UserDefaults in our iOS Application , it's very easy to implement and works as a local storage for non complex data. 💲 Donation Via Pay

Comments
  • saving Int:String Dictionary you'll get app crash. Only String:String works