objective c - How can i preview custom code-based views in xcode? -


i create custom controllerview, want see without compilation. how can preview results?

for example, custom controller:

import cocoa  class breakwindowcontroller: nswindowcontroller {      let breakviewcontroller = breakviewcontroller()     var popovermanager: popovermanager?      // mark: view lifecycle      override func loadwindow() {         self.window = breakwindow(contentrect: self.breakviewcontroller.view.frame, stylemask: nsborderlesswindowmask, backing: nsbackingstoretype.buffered, defer: false)         self.window?.contentview = roundedcornerview(frame: self.breakviewcontroller.view.frame)         self.window?.center()         self.window?.animationbehavior = nswindowanimationbehavior.alertpanel         self.window?.display()         self.window?.makekeywindow()         self.window?.makemainwindow()         nsapp.activateignoringotherapps(true)         self.window?.makekeyandorderfront(true)         self.breakviewcontroller.popovermanager = self.popovermanager         self.popovermanager?.breakcontroller = self          (self.window?.contentview as! roundedcornerview).visualeffectview.addsubview(self.breakviewcontroller.view)     } }

you cannot. drawback of code based views. think moment, without compilation, how xcode know view looks like?


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