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  • User default in swift

    @anoop.kumar
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    Hi ,

    To use userDefault in swift we can use below code to

    1- Save value in userDefaults for a key

    2-  Fetch value for a key

    3- Remove value for a key

    4- Remove all value

    Here is the code -
     

    1. //Save a value in NSUserDefaults in swift
    2.  
    3. let userDefault = NSUserDefaults().standardUserDefaults()
    4.         userDefault .setValue(accessToken, forKey: KEY_TO_SAVE_VALUE)
    5.  
    6. //remove a value from NSUserDefault in swift
    7.  
    8. let userDefault = NSUserDefaults.standardUserDefaults()
    9.         userDefault.removeObjectForKey(KEY_TO_REMOVE_VALUE)
    10.  
    11. //remove all the values in NSUserDefaults in swift
    12.  
    13. let appdomain = NSBundle.mainBundle().bundleIdentifier
    14.         let userPref = NSUserDefaults.standardUserDefaults()
    15.         userPref.removePersistentDomainForName(appdomain!)
    16.  
    17. //print all the values from NSUserDefaults in swift 
    18.  
    19. print("all the user default values here:\n(NSUserDefaults.standardUserDefaults().dictionaryRepresentation())")

     

    user defaults save value in userDefaults remove remove userDefault Swift swift userDefault clear all user default values values in user default set userDefault clear user defaults get value for key in user defaults
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