navigation between two view controllers

navigation use button -> view 2

1. drag View Controller into Main.storyboard
2. Editor -> Embed in -> Navigation Controller

3. impl button press action

    @IBAction func toView2(sender : AnyObject){
        let view2 = storyboard.instantiateViewControllerWithIdenfifier("View2") as View2
        self.navigationController.pushViewController(view2, animated: true)
    }
   

navigation use button -> view 1

1. create View2 : UIViewController
2. drag View Controller into Main.storyboard
3. select View Controller set Custom Class

4. impl button press action

    @IBAction func toView1(sender : AnyObject){
        self.navigationController.popToRootViewControllerAnimated(true)
    }
   

navigation use segue view 1 <–> view 2

1. add a Bar Button Item to View1 on Main.storyboard
2. Ctrl+Drag form Bar Button Item to View2
3. Action Segue choose show

navigation use segue customize back button

1. open Main.storyboard and click on the link connect two controller
2. open Utilities and click on Attributes inspector
3. give the segue a meaningful identifier

4. open parent view controller and insert code

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using [segue destinationViewController].
        // Pass the selected object to the new view controller.
        if let identifier = segue.identifier{
            if identifier == "segue_setting"{
                self.navigationItem.backBarButtonItem =
                    UIBarButtonItem(title: "返回", style: .Bordered, target: nil, action: "")
            }
        }
    }