如何为 macOS 菜单栏应用程序启用自动启动？

Question

我正在为菜单栏构建一个 macOS 应用程序，它应该会随系统启动自动启动。 我开始按照本教程 this tutorial 为基于标准 window 的 macOS 应用程序实现自动启动功能。我有

在主项目（助手应用程序）中添加了一个新目标
将助手应用程序的 skip install 更改为 yes
将助手应用设置为仅后台应用
向主应用程序添加了一个新的复制文件构建阶段，以将辅助应用程序复制到包中
link编辑了 ServiceManagement.framework
在应用程序委托中实现了帮助应用程序随系统启动一起启动的功能。启动后，它会启动主应用程序（请参阅教程 link 了解更多信息或下面的源代码）

效果很好，应用程序自动启动 :) 所以我开始更改项目，将主应用程序变成菜单栏应用程序。但是，该应用程序将不再自动启动：/有人对此有解决方案吗？

这是主应用程序的 app 委托的代码：

import Cocoa
import ServiceManagement

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {

let statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)


func applicationDidFinishLaunching(_ aNotification: Notification) {

    statusItem.button?.title = "Test"
    statusItem.button?.target = self
    statusItem.button?.action = #selector(showWindow)


    // auto start
    let launcherAppId = "com.####.####Helper"
    let runningApps = NSWorkspace.shared.runningApplications
    let isRunning = !runningApps.filter { [=10=].bundleIdentifier == launcherAppId }.isEmpty

    SMLoginItemSetEnabled(launcherAppId as CFString, true)

    if isRunning {
        DistributedNotificationCenter.default().post(name: .killLauncher, object: Bundle.main.bundleIdentifier!)
    }
}

func applicationWillTerminate(_ aNotification: Notification) {
    // Insert code here to tear down your application
}

@objc func showWindow() {
    let storyboard = NSStoryboard(name: "Main", bundle: nil)
    guard let vc = storyboard.instantiateController(withIdentifier: "ViewController") as? ViewController else {
        fatalError("Unable to find main view controller")
    }

    guard let button = statusItem.button else {
        fatalError("Unable to find status item button")
    }

    let popover = NSPopover()
    popover.contentViewController = vc
    popover.behavior = .transient
    popover.show(relativeTo: button.bounds, of: button, preferredEdge: .maxY)

}


}

extension Notification.Name {
   static let killLauncher = Notification.Name("killLauncher")
}

这是助手应用程序的 app 委托：

import Cocoa

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {



func applicationDidFinishLaunching(_ aNotification: Notification) {
    let mainAppIdentifier = "com.####.####"
    let runningApps = NSWorkspace.shared.runningApplications
    let isRunning = !runningApps.filter { [=11=].bundleIdentifier == mainAppIdentifier }.isEmpty

    if !isRunning {
        DistributedNotificationCenter.default().addObserver(self, selector: #selector(self.terminate), name: .killLauncher, object: mainAppIdentifier)

        let path = Bundle.main.bundlePath as NSString
        var components = path.pathComponents
        components.removeLast()
        components.removeLast()
        components.removeLast()
        components.append("MacOS")
        components.append("####") //main app name

        let newPath = NSString.path(withComponents: components)

        NSWorkspace.shared.launchApplication(newPath)
    }
    else {
        self.terminate()
    }
}

func applicationWillTerminate(_ aNotification: Notification) {
    // Insert code here to tear down your application
}

@objc func terminate() {
    NSApp.terminate(nil)
}


}

extension Notification.Name {
  static let killLauncher = Notification.Name("killLauncher")
}

非常感谢您的帮助:)

Answer 1

除了我在助手应用程序中编写路径的方式外，我的代码看起来几乎相同：

var pathComponents = (Bundle.main.bundlePath as NSString).pathComponents
pathComponents.removeLast()
pathComponents.removeLast()
pathComponents.removeLast()
pathComponents.removeLast()
let newPath = NSString.path(withComponents: pathComponents)
NSWorkspace.shared.launchApplication(newPath)

此外，如果我没记错的话，我必须确保 Main.storyboard 文件仍然有 "Application Scene" 以及一个应用程序对象和一个空的主菜单。

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