Preference For Mac

 

A Preference Pane (often abbreviated as prefpane) is a special dynamically loadedplugin in macOS. Introduced in Mac OS X v10.0, the purpose of a Preference Pane is to allow the user to set preferences for a specific application or the system by means of a graphical user interface. Preference Panes are the macOS replacement for control panels in the classic Mac OS. Prior to Mac OS X v10.4, collections of Preference Panes featured a 'Show All' button to show all the panes in the collection and a customizable toolbar to which frequently-used preference panes could be dragged. In Mac OS X v10.3, the currently-active pane would also be highlighted in the toolbar when it was selected. With Mac OS X v10.4, this functionality was dropped in favor of a plain Show All button and back/forward history arrows.

If you set this preference, it also will apply to Version 1.00.217856 and later of Teams for Mac and to Version 16.28 and later of Skype for Business for Mac. For other users, such as home users with an Office 365 (or Microsoft 365) subscription, only required diagnostic data is sent, unless the user chooses to also send optional diagnostic. Prior to restoring your preferences, make sure to back-up your preferences. Using the keyboard shortcut or delete on quit preference to reset your preferences permanently deletes a subset of preferences files including settings from the preferences dialog, custom shortcuts, workspaces, and color settings. For a list of specific files that are deleted see these tables for preference file.

System Preferences is an application whose sole purpose is the loading of various preference panes, for system configuration. Any application can be written to use prefpanes.

Preference panes carry the .prefpanefile extension.

External links[edit]

Retrieved from 'https://en.wikipedia.org/w/index.php?title=Preference_Pane&oldid=861073307'
System

Preferences are pieces of information that you store persistently and use to configure your app. Apps often expose preferences to users so that they can customize the appearance and behavior of the app. Most preferences are stored locally using the Cocoa preferences system—known as the user defaults system. Apps can also store preferences in a user’s iCloud account using the key-value store.

The user defaults system and key-value store are both designed for storing simple data types—strings, numbers, dates, Boolean values, URLs, data objects, and so forth—in a property list. The use of a property list also means you can organize your preference data using array and dictionary types. It is also possible to store other objects in a property list by encoding them into an NSData object first.

At a Glance

Apps integrate preferences in several ways, including programmatically at various points throughout your code and as part of the user interface. Preferences are supported in both iOS and Mac apps.

You Decide What Preferences You Want to Expose

Preferences are different for each app, and it is up to you to decide what parts of your app you want to make configurable. Configuration involves checking the value of a stored preference from your code and taking action based on that value. Thus, the preference value itself should always be simple and have a specific meaning that is then implemented by your app.

Relevant section:What Makes a Good Preference?

Apps Provide Their Own Preferences Interface

Because each app’s preferences are different, the app itself is responsible for deciding how best to present those preferences to the user, if at all. Both iOS and OS X provide some standard places for you to incorporate a preferences interface, but you are still responsible for designing that interface and displaying it at the appropriate time.

Apps Access Preferences Using the User Defaults Object

Apps access locally stored preferences using a user defaults object, which is either an NSUserDefaults object (iOS and OS X) or an NSUserDefaultsController object (OS X only). In addition to retrieving preference values, apps can use this object to register default values for preferences and manage other aspects of the preferences system.

Relevant chapter:Accessing Preference Values

iCloud Stores Shared Preference and Configuration Data

Apps that support iCloud can put some of their preference data in the user’s iCloud account and make it available to instances of the app running on the user’s other devices. You use this capability to supplement (not replace) your app’s existing preferences data and provide a more coherent experience across the user’s devices. For example, a magazine app might store information about the page number and issue last read by the user so that the app running on a different device can show that same page.

Defaults Are Grouped into Domains in OS X

OS X preferences are grouped by domains so that system preferences can be differentiated from app preferences. Splitting preferences in this manner lets the user specify some preferences globally and then override one or more of those preferences inside an app.

Relevant section:The Organization of Preferences

A Settings Bundle Manages Preferences for iOS Apps

An iOS, apps can display preferences from the Settings app, which is a good place to put preferences that the user does not need to configure frequently. To display preferences in the Settings app, an app’s bundle must include a special resource called a Settings bundle that defines the preferences to display, the proper way to display them, and the information needed to record the user’s selections.

Note: Apps are not required to use a Settings bundle to manage all preferences. For preferences that the user is likely to change frequently, the app can display its own custom interface for managing those preferences.

Relevant chapter:Implementing an iOS Settings Bundle

See Also

For information about property lists, see Property List Programming Guide.

For more advanced information about using Core Foundation to manage preferences, see Preferences Programming Topics for Core Foundation.


System Preferences Mac Os X


Preference Mac Os

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