Ios App Extension User Defaults

User defaults caches the information to avoid having to open the user s defaults database each time you need a default value.
Ios app extension user defaults. As stated above user defaults nsuserdefaults can be added to an app or extension and used to provide configurable options that the end user can modify to adjust the look or operation of the app at runtime. Receives selected content only if explicitly provided by the host app on both platforms users get access to action extensions in the system provided ui. After you enable app groups an app extension and its containing app can both use the nsuserdefaults api to share access to user preferences.
Types of app extensions ios ipados macos tvos and watchos support several types of extensions each of which is tied to a single well scoped area of the system such as sharing notification center and safari. When you set a default value it s changed synchronously within your process and asynchronously to persistent storage and other processes. All ios apps have a built in data dictionary that stores small amounts of user settings for as long as the app is installed.
Use extensions to place the power of your app wherever your users need it most. When you set a default value it s changed synchronously within your process and asynchronously to persistent storage and other processes. With the nsuserdefaults class you can save settings and properties related to application or user data.
While developing extensions in ios you may find a need to share application or user data. Here s an example of setting some values. 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.
Method to instantiate a new nsuserdefaults object passing in the identifier of the shared group. Or yarn add rn user defaults. At runtime you use nsuser defaults objects to read the defaults that your app uses from a user s defaults database.
Getting started npm install rn user defaults save. At runtime you use user defaults objects to read the defaults that your app uses from a user s defaults database. In ios an action extension is listed in the action area of the activity view controller that appears when users tap the share button.