ios - UIKit<-segue->SpriteKit memory leak -
i enjoy swift, ios development.
i add segue between viewcontroller(for uikit), , viewcontroller(for spritekit).
i run iphone simulator, memory navigator increase 30m per switch viewcontroller.
osx 10.9.5, xcode.6.1.1
- new -> project -> game
- new -> file -> swift file -> firstviewcontroller.swift
- drag viewcontroller library storyboard, set custom class: firstviewcontroller
- set arrow firstviewcontroller 
- select firstviewcontroller, option&drag gameviewcontroller(segue) 
- set identifier "togame"
- select gameviewcontroller, option&drag self exit
- set identifier "back"
code:
class firstviewcontroller: uiviewcontroller {     @ibaction func returnmenu(segue: uistoryboardsegue) {         println("back!")     }      override func touchesended(touches: nsset, withevent event: uievent) {         performseguewithidentifier("togame", sender: nil)     } }   class gameviewcontroller: uiviewcontroller {      override func viewdidload() {         super.viewdidload()          if let scene = gamescene.unarchivefromfile("gamescene") as? gamescene {             scene.viewcontroller = self             skview.presentscene(scene)         }     } }  class gamescene: skscene {      var viewcontroller: uiviewcontroller?      override func touchesbegan(touches: nsset, withevent event: uievent) {         touch: anyobject in touches {         self.viewcontroller?.performseguewithidentifier("back", sender: nil)     } } thanks.
class gamescene: skscene {     weak var viewcontroller: uiviewcontroller? } thank everyone! weak references! memory leak solved!