What is user defaults in iOS?
The UserDefaults class provides a programmatic interface for interacting with the defaults system. The defaults system allows an app to customize its behavior to match a user’s preferences. At runtime, you use UserDefaults objects to read the defaults that your app uses from a user’s defaults database.
What is always default on iPhone?
The word “default” means two things when it comes to iPhone apps. First, it means apps that come pre-installed on your iPhone when it ships to you from the factor (or when you reset the phone to factory settings). In the second case, default apps are apps that are always used to do a certain thing.
Where are user defaults stored?
The user’s defaults database is stored on disk as a property list or plist. A property list or plist is an XML file. At runtime, the UserDefaults class keeps the contents of the property list in memory to improve performance. Changes are made synchronously within the process of your application.
What can be stored in user defaults?
There are many data types that can be stored in UserDefaults including: array , bool , data , dictionary , float , integer , object , stringArray , string , double and url .
How do you set defaults on iPhone?
Return iPhone settings to their defaults
- Go to Settings > General > Transfer or Reset iPhone > Reset.
- Choose an option: WARNING: If you choose the Erase All Content and Settings option, all of your content is removed. See Erase iPhone.
How do I change default browser in iOS?
How to change your default web browser or email app
- Go to Settings and scroll down until you find the browser app or the email app.
- Tap the app, then tap Default Browser App or Default Mail App.
- Select a web browser or email app to set it as the default. A checkmark appears to confirm it’s the default.
Is Userdefault persistent?
UserDefaults is a persistence layer in iOS used mainly for saving small amounts of data — for example, user settings that are saved for when the user returns to your app.
Where are user defaults stored Macos?
The contents of this domain are stored in a file that is managed by the system. Currently, this file is located in the $HOME /Library/Preferences/ directory, where $HOME is either the app’s home directory or the user’s home directory (depending on the platform and whether your app is in a sandbox).
Is iOS 6 supported?
Apple Inc. No longer getting security updates, but still partial 3rd party app support. Drops support for the iPod Touch (3rd generation), and iPad (1st generation).
How does the defaults system work in an app?
The defaults system allows an app to customize its behavior to match a user’s preferences. For example, you can allow users to specify their preferred units of measurement or media playback speed. Apps store these preferences by assigning values to a set of parameters in a user’s defaults database.
What’s the default setting for Microsoft Intune on iPad?
When set to Not configured (default), Intune doesn’t change or update this setting. By default, the OS might prevent managed apps from saving or syncing contact information to the built-in iOS/iPadOS Contacts app on devices. To use this setting, set the Block viewing corporate documents in unmanaged apps setting to Yes.
What does the userdefaults class do on an iPhone?
The UserDefaults class provides a programmatic interface for interacting with the defaults system. The defaults system allows an app to customize its behavior to match a user’s preferences. For example, you can allow users to specify their preferred units of measurement or media playback speed.
How are preferences stored in an Apple App?
For example, you can allow users to specify their preferred units of measurement or media playback speed. Apps store these preferences by assigning values to a set of parameters in a user’s defaults database.