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?
The GoToWebinar preferences allow you to modify the settings for hosting and joining sessions using the desktop app. Depending on whether you are the organizer or attendee, you will see different options here. Note: Using a Mac? Also see Manage Preferences. You can change a number of settings to customize the Finder itself on your MacBook. From the Finder menu, click Finder and choose the Preferences menu item to display the Finder Preferences dialog. In the General section, the preference settings include Show These Items on the Desktop: Select these check boxes to display your internal. Adjusting the Preferences and Settings of Mac apps is common and often a necessity to get things just right for you, particularly if you’re using an app for the first time, or setting up a new Mac. Rather than fish around in the menu items to find the Preferences or Settings menu option, you can almost always rely on a specific keyboard.
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.
I've always thought having a dedicated app for to-do lists is overkill when Notes is already so powerful. Just select the checklist icon. You can format things however you like with headings, bold text, etc.; and it even has collaborative features in case you want to share to-dos. I've tried apps like Todolist, Wunderlist, Any.do, and-the. Everything works even my GMail account which never fully works on Mac or IOS, now I can even delete messages in Outlook with my GMail account and they really do delete everywhere, no more auto archive forever. I am so so glad I started using Oulook on my Mac and IOS device, seriously this is a great APP. Todoist has been on the market for a long time now. However, its features aren’t out-of. The essential to-do list app for Mac lovers. Recommended by Apple, Any.do’s powerful to-do list combines task management, calendar and reminders all-in-one place for your personal and work life. Simpler way of managing projects Stop overspending over complex project management tools. Now in version 3, OmniFocus is a powerful, albeit pricey, to-do app for Mac and iOS, and a good option as long as you're working solo. It's well suited for people who follow GTD, too. Good to do app mac.
If you reset app preferences, you'll have to set data restriction again for the Facebook app. Also, in case you're fed up with the heavy Facebook app, you should try their Lite app. Apr 29, 2020 To set VLC as a default app for every video file type, we’d install a small utility app, Swift Default Apps. It’s a preference pane app that would let us set any app as default. Download the app from the Github page and install it on your system. Once installed, you will find this app in System Preferences, Click SwiftDefaultApps icon. There are few ways to set apps to launch at startup on a Mac and we will explain all the process one by one. How to set apps to launch at startup on a Mac: From the Dock menu. The dock is an easy way to get the everyday use app as soon as you open the Mac, but setting the apps to launch at startup will make the process even faster.
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.
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Mac Set App Preference Download
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How to remove mac mail app. Then select and delete the found messages. In the Mail app on your Mac, do one of the following:.Choose Mailbox Erase Deleted Items, then choose an account.In the Mail sidebar, Control-click a Trash mailbox, then choose Erase Deleted Items.You can set the “Erase deleted messages” option in Mail preferences to have Mail permanently erase deleted messages for you at a specified time. Whether you can view and retrieve messages after you delete them depends on how you set options in Mail preferences.In the Mail app on your Mac, choose Mail Preferences, then click Accounts.Select an account, click Mailbox Behaviors, then check the setting for the Trash Mailbox option.If a mailbox is specified: You can view deleted messages in the Trash mailbox until they’re permanently erased. Or, search for messages from a specific person by entering a name in the search field. To retrieve a deleted message, drag it from the Trash mailbox to another mailbox.If None is specified: Deleted messages are removed and aren’t available in the Trash mailbox.
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