Is NSUserDefaults secure?
Is NSUserDefaults secure?
Because NSUserDefaults stores all data in an unencrypted . plist file, a curious person could potentially view this data with minimal effort. That means that you should never store any type of sensitive data inside NSUserDefaults.
What types can you store natively in NSUserDefaults?
Types stored in NSUserDefaults Any . plist type can be stored by NSUserDefaults . These types are NSString(String) , NSArray(Array) , NSDictionary(Dictionary) (for both NSArray and NSDictionary types their contents must be property list objects), NSNumber(Int, Float, Double, Boolean) , NSDate and NSData .
Can we save dictionary in UserDefaults?
We access the shared defaults object through the standard class property of the UserDefaults class. We then create a dictionary of type [String:String] and store the dictionary in the user’s defaults database by invoking the set(_:forKey:) method of the UserDefaults database.
What is Nsubiquitouskeyvaluestore?
An iCloud-based container of key-value pairs you use to share data among instances of your app running on a user’s connected devices. iOS 5.0+
Where is Nsuserdefaults stored Mac?
In ~/Library/Preferences/com.
When should I use Core Data vs UserDefaults?
Core Data is unnecessary for random pieces of unrelated data, but it’s a perfect fit for a large, relational data set. The defaults system is ideal for small, random pieces of unrelated data, such as settings or the user’s preferences.
Where is NSUserDefaults stored Mac?
How much data can you store in UserDefaults?
Currently, there is only a size limit for data stored to local user defaults on tvOS, which posts a warning notification when user defaults storage reaches 512kB in size, and terminates apps when user defaults storage reaches 1MB in size. For ubiquitous defaults, the limit depends on the logged in iCloud user.
What can be stored in UserDefaults?
You can use UserDefaults to store any basic data type for as long as the app is installed. You can write basic types such as Bool , Float , Double , Int , String , or URL , but you can also write more complex types such as arrays, dictionaries and Date – and even Data values.
What is iCloud key value storage?
The total space available in your app’s iCloud key-value storage is 1 MB per user. The maximum number of keys you can specify is 1024, and the size limit for each value associated with a key is 1 MB.