//

//  NewsViewController.swift

//  NavigationDemo

//

//  Created by 赵超 on 14-6-27.

//  Copyright (c) 2014年 赵超. All rights reserved.

//

import UIKit

class NewsViewController: UIViewController {

    override func viewDidLoad() {

        super.viewDidLoad()

        self.view.backgroundColor=UIColor.blueColor()

        self.title="新闻"

    }

}

3.MoviewViewController.swift

//

//  MovieViewController.swift

//  NavigationDemo

//

//  Created by 赵超 on 14-6-27.

//  Copyright (c) 2014年 赵超. All rights reserved.

//

import UIKit

class MovieViewController: UIViewController {

    override func viewDidLoad() {

        super.viewDidLoad()

        self.view.backgroundColor=UIColor.redColor()

        self.title="电影"

    }

}

4.AppDelegate.swift

//

//  AppDelegate.swift

//  NavigationDemo

//

//  Created by 赵超 on 14-6-27.

//  Copyright (c) 2014年 赵超. All rights reserved.

//

import UIKit

@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {

        self.window = UIWindow(frame: UIScreen.mainScreen().bounds)

        // Override point for customization after application launch.

        self.window!.backgroundColor = UIColor.whiteColor()

        self.window!.makeKeyAndVisible()

        //设置根控制器

        var root=RootViewController()

        self.window!.rootViewController=root

        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:.

    }

}

5.RootViewController.swift

//

//  RootViewController.swift

//  NavigationDemo

//

//  Created by 赵超 on 14-6-27.

//  Copyright (c) 2014年 赵超. All rights reserved.

//å

import UIKit

class RootViewController: UITabBarController {

    var tabBarBgImg:UIImageView?

var tabBarBgImgSelected:UIImageView?

    override func viewDidLoad() {

        super.viewDidLoad()

        //隐藏自带tabBarItem

        self.tabBar.hidden=true

        customTabBar()

        loadViewController()

    }

    //选择视图

    func test(tap:UITapGestureRecognizer){

        var view=tap.view

        var index=view.tag as Int

        var z=(index)*57

        var c=CGFloat(z)

        var x:CGFloat=5.0 + c

        var y=tabBarBgImg!.frame.size.height/2-45/2

        UIView.beginAnimations("test",context:nil)

        tabBarBgImgSelected!.frame = CGRectMake(x ,y, 50, 45)

        UIView.commitAnimations()

        //跳转页面

        self.selectedIndex=view.tag

    }

    //自己定义tabBar视图

    func customTabBar(){

        var height=UIScreen.mainScreen().bounds.size.height

        var width=UIScreen.mainScreen().bounds.size.width

        var tabW=width

        var tabH=height-49

        tabBarBgImg=UIImageView(frame:CGRectMake(0,tabH,tabW,49))

        //打开事件

        tabBarBgImg!.userInteractionEnabled=true

        tabBarBgImg!.image=UIImage(named:"tab_bg_all")

        //选中背影图片

        var y=tabBarBgImg!.frame.size.height/2-45/2

        tabBarBgImgSelected=UIImageView(frame:CGRectMake(5,y, 50, 45))

        tabBarBgImgSelected!.image=UIImage(named:"selectTabbar_bg_all1")

        tabBarBgImg!.addSubview(tabBarBgImgSelected)

        var x:CGFloat=0

        var images=["icon_cinema","msg_new"]

        var titles=["电影","新闻"]

        var titleFont=UIFont.systemFontOfSize(12)

        for  index in 0..2{

            var imgView=UIImageView(frame:CGRectMake( x+18, y+5, 22, 22))

            //加入事件

            imgView.userInteractionEnabled=true

            imgView.tag=index

            var tap=UITapGestureRecognizer(target:self,action:Selector("test:"))

            imgView.addGestureRecognizer(tap)

            imgView.image = UIImage(named:images[index])

            tabBarBgImg!.addSubview(imgView)

            var title=UILabel(frame:CGRectMake(x+16,y+26,45,15))

            title.text=titles[index]

            title.font=titleFont

            title.textColor = UIColor.whiteColor()

            tabBarBgImg!.addSubview(title)

            x+=57

        }

        self.view.addSubview(tabBarBgImg)

    }

    //载入子视图控制器

    func loadViewController(){

        //USA

        var movie=MovieViewController()

        var  movieItem=UITabBarItem(tabBarSystemItem: .Favorites,tag:1)

        movie.tabBarItem=movieItem

        var movieNav=UINavigationController(rootViewController:movie)

        //News

        var news=NewsViewController()

        var  newsItem=UITabBarItem(tabBarSystemItem: .Favorites,tag:2)

        news.tabBarItem=newsItem

        var newsNav=UINavigationController(rootViewController:news)

        //数组

        var ctrls=[movieNav,newsNav]

        //加入

        self.setViewControllers(ctrls,animated:true)

    }

}

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