How can I create a window with transparent background with swift on osx?

Question

I want to create an osx/cocoa application on my mac, which does something very simple: Display a text string on my mac, with no background. Ultimately this will be a timer w

Answer 1

Make the window non-opaque, and give it a clear background:

func applicationDidFinishLaunching(aNotification: NSNotification) {
    window.opaque = false
    window.backgroundColor = NSColor.clearColor()
}