Mac Change Default App For File Extension

CHANGE DEFAULT APP FOR FILE EXTENSION MAC APPLICATION PACKAGE

Change Default App For File Extension Mac Application Package

Instead, it lets you modify the behavior of the Finder itself.Resolution. Unlike most extension points, Finder Sync does not add features to a host app. Not by opening the CRT file from a file manager, where Android claimed the file type was.In OSВ X, the Finder Sync extension point lets you cleanly and safely modify the FinderвЂ™s user interface to express file synchronization status and control. MacOS default file extension associations The most common file formats used with the specific file extensions.app file extension is used for Mac application package or core system service.cnf file extension is used for Network configuration data.dmg file extension is used for Apple Mac disk image.dump file extension is used for Dump dataAndroid apps default to displaying tapped links in WebView.

For example, when you double click on a. In case you configured Apps sharing between your host Mac and guest virtual machine, the apps from the both systems will be listed.A default program is a program that Windows uses to open a specific application. In the Get Info options, you can easily select which application you would like to be the default for opening your file.

Badges display the sync state of each item, and contextual menus let users manage folder contents. It improves user experience by providing immediate visual feedback directly in the Finder. You can also use the extension pointвЂ™s API to add a toolbar button to the Finder window or a sidebar icon for the monitored folder.Finder Sync supports apps that synchronize the contents of a local folder with a remote data source. Your Finder Sync extension then sets badges, labels, and contextual menus for any items in the monitored folders.

This template contains a custom subclass of the FIFinderSync class. Finder Sync is not intended as a general tool for modifying the FinderвЂ™s user interface.To learn about other types of app extensions you can create, see Table 1-1 in App Extensions Increase Your Impact.Creating a Finder Sync Extension in XcodeTo create a Finder Sync extension, add a new target to your OSВ X project using the Finder Sync Extension template. The best Finder Sync extensions support apps that sync the contents of a local folder with a remote data source.

If you want to change the principal class, modify the value of the NSExtensionPrincipalClass key.You specify the folders you want to monitor in your Finder Sync extensionвЂ™s init method, using the default FIFinderSyncController object. Each copy runs in its own process.The Finder Sync Extension Xcode template configures these Info.plist keys automatically. It instantiates an additional copy whenever an Open or Save dialog is displayed. The system automatically instantiates this class when the Finder first launches. The system automatically instantiates this class and calls the protocol methods in response to user actions.For detailed information on adding extensions, see Creating an App Extension.For OSВ X to recognize and automatically load the Finder Sync extension, the extension targetвЂ™s info.plist file must contain the following entries:In particular, the NSExtensionPrincipalClass key must provide the name of your FIFinderSync subclass.

FolderURLs = Create your badge images so that each can be drawn at up to 320x320 pixels. Be sure to use the same identifier for both the Finder Sync extension and the containing app.This process adds a com.apple.security.application-groups entry to the targetsвЂ™ entitlements. Provide a unique identifier for the shared group. For each target, open the Xcode capabilities pane and turn on the App Groups capability. This group creates a shared container that both processes can access. You can pass this data between the containing app and your Finder Sync extension using shared user defaults.To enable shared user defaults, first add both your Finder Sync extension and its containing app to an app group.

forBadgeIdentifier: would typically do this in the sync controllerвЂ™s initialization method. The pixel size ranges at which your badge might be displayed are as follows:To add a badge image to your Finder Sync controllerвЂ™s configuration, use the setBadgeImage:label:forBadgeIdentifier: method, as shown here: The system determines the size and placement of a badge image on a monitored item.

You might also want to track these URLs, in order to update their badges whenever their state changes.Implement the menuForMenuKind: method to provide a custom contextual menu. The system continues to call this method as each new file scrolls into view.You typically implement this method to check the state of the item at the provided URL, and then call the Finder Sync controllerвЂ™s setBadgeIdentifier:forURL: method to set the appropriate badge. This method is called once for each file initially shown in the FinderвЂ™s view. As with beginObservingDirectoryAtURL:, the Open and Save dialogs are tracked separately from the Finder.The system calls this method when a new item inside the monitored folder becomes visible to the user.

Your extension may present menu items that represent global actions that should always be available to the user. Because the toolbar button is always available, the user may or may not be browsing the monitored folder at this time. Your extension should present menu items that effect the contents of the selected item.The user clicked on the toolbar button provided by the extension. Your extension should present menu items that affect the contents of the current folder.The user Control-clicked a sidebar item that represents the monitored folder or part of its contents. Your extension should present menu items that affect the selected items.The user Control-clicked the Finder windowвЂ™s background while browsing the monitored folder. Each menu kind corresponds to a different type of user interaction.The user Control-clicked one or more items inside your monitored folder.

If the user drags one of these root folders into the FinderвЂ™s sidebar, your icon will be displayed instead of the default folder icon. The system then displays this menu.You can provide a custom sidebar icon for any of the root folders your extension is monitoring. Your extension must return an appropriate menu. If the user is not browsing the monitored folder (for example, if the user clicked the toolbar button while outside the monitored folder), both of these methods return nil.To add a custom toolbar button to the Finder window, implement the getter methods for the following properties:ToolbarItemImageвЂ”Return the buttonвЂ™s imageToolbarItemToolTipвЂ”Return the tooltip text for the buttonWhen the user clicks the toolbar button, the system calls your primary classвЂ™s menuForMenuKind: method, passing FIMenuKindToolbarItemMenu as the menu kind. The selectedItemURLs method returns an array containing the URLs of all the currently selected items in the Finder window.TargetedURL and selectedItemURLs return valid values only inside the menuForMenuKind: method or inside one of its menu actions. The targetedURL method returns the URL of the file or folder that the user Control-clicked.

Mac Change Default App For File Extension