总结：页面的跳转，以及模态。
//一、ViewController.swift:
//
// ViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/2.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
//每一个被导航视图控制器所管理的视图控制器都有一个navigationItem（这里面包含了左按钮，右按钮，中间标题，中间视图）
//设置导航栏的标题
navigationItem.title = "Setting"
let leftBarBtn = UIBarButtonItem(barButtonSystemItem: .Camera, target: self, action: "leftBtnAction")
//设置右边按钮
let rightBarBtn = UIBarButtonItem(title: "next", style: UIBarButtonItemStyle.Plain, target: self, action: "rightBtnAction")
//设置导航栏左按钮leftBarButtonItem:(UIBarButtonItem)
navigationItem.leftBarButtonItem = leftBarBtn
navigationItem.rightBarButtonItem = rightBarBtn
// 设置左右item数组
// navigationItem.leftBarButtonItems = [leftBarBtn,rightBarBtn]
// navigationItem.rightBarButtonItems = [leftBarBtn,rightBarBtn]
//设置中间视图
let segment = UISegmentedControl(items: ["已接来电","未接来 dian"])
segment.frame = CGRectMake(0, 0, 100, 30)
segment.selectedSegmentIndex = 1
//设置中间视图
navigationItem.titleView = segment
//导航栏（ UINavigationBar）
//在本类中（视图控制器）访问navigationController就是获取到本视图控制器所在的导航视图控制器
//设置导航栏是否隐藏
navigationController?.navigationBarHidden = false
// 设置导航栏样式
navigationController?.navigationBar.barStyle = .Default
//背景颜色
navigationController?.navigationBar.backgroundColor = UIColor.cyanColor()
//导航栏本身的颜色
navigationController?.navigationBar.barTintColor = UIColor.yellowColor()
//导航栏元素颜色 (左按钮，右按钮.........)
navigationController?.navigationBar.tintColor = UIColor.redColor()
//导航栏半透明效果
navigationController?.navigationBar.translucent = false
let myView = UIView(frame: CGRectMake(0,0,150,150))
myView.backgroundColor = UIColor.blueColor()
view.addSubview(myView)
// navigationController的contentView显示的谁的View？
}
//跳转第二个控制器页面
func rightBtnAction(){
//(1) 创建第二个控制器
let secondVC = SecondViewController()
//(2)使用当前控制器所在的导航视图控制器跳转到第二个控制器pushViewController(进入到下一个页面)
navigationController?.pushViewController(secondVC, animated: true)
}
func leftBtnAction(){
print("click left Btn")
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
//二、SecondViewController.swift：
//
// SecondViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/3.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class SecondViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
//设置页面颜色为白色
view.backgroundColor = UIColor.whiteColor()
//设置标题
navigationItem.title = "SecondVC"
let leftBarBtn = UIBarButtonItem(title: "back", style: UIBarButtonItemStyle.Plain, target: self, action: "backAction:")
navigationItem.leftBarButtonItem = leftBarBtn
let rightBtn = UIBarButtonItem(title: "进入3", style: UIBarButtonItemStyle.Plain, target: self, action: "pushToThirdVC")
navigationItem.rightBarButtonItem = rightBtn
}
func pushToThirdVC(){
let thirdVC = ThirdViewController()
navigationController?.pushViewController(thirdVC, animated: true)
}
func backAction(btn:UIBarButtonItem){
print("返回")
//将SecondVc出棧popViewControllerAnimated:将当前显示在棧顶的控制器出棧(回到上一个页面)
navigationController?.popViewControllerAnimated(true)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// 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.
}
*/
}
//三、ThirdViewController.swift：
//
// ThirdViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/3.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class ThirdViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
navigationItem.title = "thirdVC"
let rightBtn = UIBarButtonItem(title: "进入4", style: UIBarButtonItemStyle.Plain, target: self, action: "pushToFourthVC")
navigationItem.rightBarButtonItem = rightBtn
}
func pushToFourthVC(){
let fourthVC = FourthViewController()
navigationController?.pushViewController(fourthVC, animated: true)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// 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.
}
*/
}
//四、FourthViewController.swift：
//
// FourthViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/3.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class FourthViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
navigationItem.title = "fourthVC"
let rightBtn = UIBarButtonItem(title: "进入5", style: UIBarButtonItemStyle.Plain, target: self, action: "pushToFitthVC")
navigationItem.rightBarButtonItem = rightBtn
}
func pushToFitthVC(){
let fifthVC = FifthViewController()
navigationController?.pushViewController(fifthVC, animated: true)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// 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.
}
*/
}
//五、FifthViewController.swift：
//
// FifthViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/3.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class FifthViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.whiteColor()
navigationItem.title = "FifthVC"
let leftBtn = UIBarButtonItem(title: "backToRoot", style: UIBarButtonItemStyle.Plain, target: self, action: "popToRootViewController")
navigationItem.leftBarButtonItem = leftBtn
let btn = UIButton(frame: CGRectMake(100,130,80,45))
btn.setTitle("模态显示", forState: .Normal)
btn.backgroundColor = UIColor.cyanColor()
btn.addTarget(self, action: "presentToSix", forControlEvents: .TouchUpInside)
view.addSubview(btn)
}
//点击按钮模态显示第六个视图控制器
func presentToSix(){
//创建第六个视图控制器
let sixthVC = SixthViewController()
//模态显示，跟导航视图控制器没关系
//参数completion:模态显示完成之后要执行的闭包
presentViewController(sixthVC, animated: true) { () -> Void in
//模态显示动作完成要执行的代码
print("模态动作已完成")
}
}
func popToRootViewController(){
//(1)popToRootViewControllerAnimated:回到根视图控制器
// navigationController?.popToRootViewControllerAnimated(true)
// (2)
//先获取到棧里所有的视图控制器
let viewControllers = navigationController?.viewControllers
//获取根视图控制器（因为根视图控制器是最先入棧，所以在第0个下标）
let rootVC:UIViewController = viewControllers![0]
//导航视图控制器返回到指定的视图控制器
navigationController?.popToViewController(rootVC, animated: true)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// 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.
}
*/
}
//六、SixthViewController.swift：
//
// SixthViewController.swift
// UINavigationController
//
// Created by SZT on 2016/11/3.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
class SixthViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.grayColor()
let modelBtn = UIButton(frame: CGRectMake(80,150,100,45))
modelBtn.setTitle("模态消失", forState: .Normal)
modelBtn.backgroundColor = UIColor.blueColor()
modelBtn.addTarget(self, action: "dismissViewcontroller", forControlEvents: .TouchUpInside)
view.addSubview(modelBtn)
}
func dismissViewcontroller(){
// (1)第一种方式：模态过程不可定制化 dismissViewcontroller()
//(2)第二种方式：模态消失过程可定制化（需不需要动画，模态结束后执行代码段）
dismissViewControllerAnimated(true) { () -> Void in
print("模态消失动作已结束")
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/*
// MARK: - Navigation
// 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.
}
*/
}
//七、AppDelegate.swift：
//
// AppDelegate.swift
// UINavigationController
//
// Created by SZT on 2016/11/2.
// Copyright © 2016年 SZT. All rights reserved.
//
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
//根据一个根视图控制器创建一个导航视图控制器
let vc = ViewController()
let navc = UINavigationController(rootViewController: vc)
//将应用的根视图控制器设置为导航视图控制器
window = UIWindow(frame: UIScreen.mainScreen().bounds)
window?.rootViewController = navc
window?.backgroundColor = UIColor.whiteColor()
window?.makeKeyAndVisible()
return true
}
func applicationWillResignActive(application: UIApplication) {
// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
// Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}
func applicationDidEnterBackground(application: UIApplication) {
// Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
// If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}
func applicationWillEnterForeground(application: UIApplication) {
// Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}
func applicationDidBecomeActive(application: UIApplication) {
// Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}
func applicationWillTerminate(application: UIApplication) {
// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}
}
