From Xcode plugin to Xcode extension

My talk at Mobile Era conference 2018 in Oslo

Transcript

1. From Xcode plugin to Xcode
   extension
   

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2. About
   Khoa Pham
   github.com/onmyway133
   github.com/hyperoslo
   medium.com/@onmyway133
   

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3. It takes 2 iOS developers
   to start complaining about
   Xcode
   

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4. XcodeWay
   

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5. Xcode plugin
   

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6. Alcatraz
   

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7. XVim
   

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8. SCXcodeMiniMap
   

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9. FuzzyAutocompletePlugin
   

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10. ColorSense-for-Xcode
    

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11. Techniques
    • Private frameworks
    • Objective C Runtime
    • LLDB
    • Swizzling
    

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12. class-dump
    • IDEKit
    • DVTKit
    • Xcode.app/Contents/SharedFrameworks/DVTKit.framework
    

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14. DVTBezelAlertPanel
    class func swizzleMethods() {
    guard let originalClass = NSClassFromString("DVTBezelAlertPanel") as? NSObject.Type else {
    return
    }
    do {
    try originalClass.jr_swizzleMethod("initWithIcon:message:parentWindow:duration:",
    withMethod: "xmas_initWithIcon:message:parentWindow:duration:")
    }
    catch {
    Swift.print("Swizzling failed")
    }
    }
    

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16. DVTSourceTextView
    func listenNotification() {
    NSNotificationCenter.defaultCenter().addObserver(
    self, selector: #selector(handleSelectionChange(_:)),
    name: NSTextViewDidChangeSelectionNotification, object: nil)
    }
    func handleSelectionChange(note: NSNotification) {
    guard let DVTSourceTextView = NSClassFromString("DVTSourceTextView") as? NSObject.Type,
    object = note.object where object.isKindOfClass(DVTSourceTextView.self),
    let textView = object as? NSTextView
    else { return }
    self.textView = textView
    }
    

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17. IDEWorkspaceWindowController
    self.IDEWorkspaceWindowControllerClass =
    objc_getClass("IDEWorkspaceWindowController");
    NSArray *workspaceWindowControllers =
    [self.IDEWorkspaceWindowControllerClass
    valueForKey:@"workspaceWindowControllers"];
    

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18. XcodeGhost
    

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19. Xcode Source Editor extension
    • Modify contents
    • Modify current text selection
    • Seperated process
    protocol XCSourceEditorCommand {
    func perform(with invocation: XCSourceEditorCommandInvocation,
    completionHandler: @escaping (Error?) -> Void)
    }
    

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20. App Extension
    • Share
    • Photo Editing
    • Today
    • Finder Sync
    • Custom Keyboard
    • File Provider
    • Document Provider
    

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21. Resign
    codesign
    

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22. XcodeColorSense extension ?
    • No Notification
    • No UI modification
    

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23. Color literal
    !
    #colorLiteral
    

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24. XcodeWay extension ?
    • No NSTask
    • No NSWorkspace
    • No swizzling
    

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25. AppleScript
    !
    

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27. • NSUserAppleScriptTask
    • NSAppleEventDescriptor
    • ProcessSerialNumber
    on myOpenFolder(myPath)
    tell application "Finder"
    activate
    open myPath as POSIX file
    end tell
    end myOpenFolder
    

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28. App Sandbox
    

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29. Scripts Directory
    NSApplicationScriptsDirectory
    

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30. macOS Mojave
    • WWDC 2018 - Your Apps and the Future of macOS Security
    • NSAppleEventsUsageDescription
    

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31. • https://github.com/onmyway133/XcodeWay
    • https://github.com/onmyway133/XcodeColorSense2
    • https://github.com/theswiftdev/awesome-xcode-extensions
    

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32. Thanks
    May your code continue to compile
    

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