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Swift 类似网易新闻的滑动菜单

Swift 类似网易新闻的滑动菜单

作者: 刘宇航iOS | 来源:发表于2016-06-23 17:17 被阅读769次
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    简单实现类似这种的 滑动菜单 新手Swift新手 大神就别看了

    import UIKit
    
    class HomeViewController: UIViewController,UICollectionViewDelegate,UICollectionViewDataSource,UIScrollViewDelegate {
    
        let WIDTH = UIScreen.mainScreen().bounds.width / 375
        let HEIGTH = UIScreen.mainScreen().bounds.height / 667
        let SCREENWIDTH = UIScreen.mainScreen().bounds.width
        let SCREENHEIGTH = UIScreen.mainScreen().bounds.height
    
        var collectionView: UICollectionView!
        var buttonsArray: NSMutableArray!
        var titlesArray: NSMutableArray!
        var lineView: UIView!
        override func viewDidLoad() {
            super.viewDidLoad()
            
            self.automaticallyAdjustsScrollViewInsets = false
            self.navigationController?.automaticallyAdjustsScrollViewInsets = false
            
            self.initButtons()
            self.initCollectionView()
        }
        
        func initButtons() {
            
            buttonsArray = NSMutableArray()
            titlesArray = ["分类","品牌","首页","专题","品牌"]
            
            for var i = 0;i<titlesArray.count;i++ {
                
                let button = UIButton.init(type: .System)
                button.frame = CGRectMake(SCREENWIDTH * CGFloat (i) / 5.0, 0, SCREENWIDTH / 5.0, 40 * HEIGTH)
                button.tag = i
                button.backgroundColor = UIColor.blackColor()
                button.setTitleColor(UIColor.lightGrayColor(), forState: .Normal)
                if i == 2 {
                    
                button.titleLabel?.font = UIFont.systemFontOfSize(16.0 * WIDTH)
                button.setTitleColor(UIColor.whiteColor(), forState: .Normal)
                    
                }
                button.titleLabel?.font = UIFont.systemFontOfSize(15.0 * WIDTH)
                button.setTitle(titlesArray[i] as? String, forState: .Normal)
                button.addTarget(self, action: "click:", forControlEvents: .TouchUpInside)
                self.view.addSubview(button)
                buttonsArray.addObject(button)
                
            }
            lineView = UIView.init(frame: CGRectMake(15 * WIDTH + (SCREENWIDTH / 5.0) * 2, 38 * HEIGTH, SCREENWIDTH / 5.0 - 30 * WIDTH, 2 * HEIGTH))
            lineView.backgroundColor = UIColor.whiteColor()
            self.view.addSubview(lineView)
            
        }
        func click (btn: UIButton) {
            
            for btt in buttonsArray {
                
                btt.titleLabel?!.font = UIFont.systemFontOfSize(15)
                btt.setTitleColor(UIColor.lightGrayColor(), forState: .Normal)
            }
            
            btn.titleLabel?.font = UIFont.systemFontOfSize(16 * WIDTH)
            btn.setTitleColor(UIColor.whiteColor(), forState: .Normal)
            self.collectionView.scrollToItemAtIndexPath(NSIndexPath.init(forItem: btn.tag, inSection: 0), atScrollPosition: .None, animated: true)
            
            UIView.animateWithDuration(0.3, animations: { () -> Void in
                
                self.lineView.frame = CGRectMake(15 * WIDTH + (UIScreen.mainScreen().bounds.width / 5.0) * CGFloat (btn.tag), 38 * HEIGTH, UIScreen.mainScreen().bounds.width / 5.0 - 30 * WIDTH, 2)
                
                }) {(Bool) -> Void in
                    
                }
        }
        
        func initCollectionView() {
            
            let flowLayout = UICollectionViewFlowLayout()
            flowLayout.scrollDirection = .Horizontal
            flowLayout.itemSize = CGSizeMake(UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height - 88 * HEIGTH)
            flowLayout.minimumLineSpacing = 0
            flowLayout.minimumInteritemSpacing = 0
            
            collectionView = UICollectionView.init(frame: CGRectMake(0, 40 * HEIGTH, UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height - 88 * HEIGTH), collectionViewLayout: flowLayout)
            collectionView.delegate = self
            collectionView.dataSource = self
            collectionView.pagingEnabled = true
            collectionView.scrollToItemAtIndexPath(NSIndexPath.init(forRow: 2, inSection: 0), atScrollPosition: .None, animated: true)
            self.view.addSubview(collectionView)
            collectionView.registerClass(HomeCollectionViewCell.classForKeyedArchiver(), forCellWithReuseIdentifier: "hCell")
            collectionView.registerClass(KindCollectionViewCell.classForKeyedArchiver(), forCellWithReuseIdentifier: "kCell")
            collectionView.registerClass(BrandCollectionViewCell.classForKeyedArchiver(), forCellWithReuseIdentifier: "bCell")
            collectionView.registerClass(SubjectCollectionViewCell.classForKeyedArchiver(), forCellWithReuseIdentifier: "sCell")
            collectionView.registerClass(GiftCollectionViewCell.classForKeyedArchiver(), forCellWithReuseIdentifier: "gCell")
            
        }
        
        func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
            
            return 5
        }
        
        func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
            
            if indexPath.item == 0 {
                let cell = collectionView.dequeueReusableCellWithReuseIdentifier("kCell", forIndexPath: indexPath) as! KindCollectionViewCell
                
                weak var weakSelf = self
                cell.initClosure({ (str) -> Void? in
                    
    //                let url = "http://mobile.iliangcang.com/goods/goodsShare?a=b&page=1&count=10&coverId=1&cat_code=$&app_key=iPhone&v=3.0.0&sig=97E9576F-B96F-48FD-BE0E-CD84610BC975"
                    
                    let common = CommonViewController()
    //                common.urlStr = url.stringByReplacingOccurrencesOfString("$", withString: str)
                    common.urlStr = str
                    common.hidesBottomBarWhenPushed = true
                    weakSelf!.navigationController?.pushViewController(common, animated: true)
                    return nil
                 })
                
                return cell
                
            }else if indexPath.item == 1 {
                let cell = collectionView.dequeueReusableCellWithReuseIdentifier("bCell", forIndexPath: indexPath) as! BrandCollectionViewCell
                return cell
            }else if indexPath.item == 2 {
                let cell = collectionView.dequeueReusableCellWithReuseIdentifier("hCell", forIndexPath: indexPath) as! HomeCollectionViewCell
                cell.myClosure = { (content_id: String) -> Void in
                    
                    let shopVC = ShopViewController()
                    let url = "http://mobile.iliangcang.com/goods/goodsList?a=b&list_id=$&count=10&page=1&app_key=iPhone&v=3.0.0&sig=97E9576F-B96F-48FD-BE0E-CD84610BC975"
                    shopVC.urlStr = url.stringByReplacingOccurrencesOfString("$", withString: content_id)
                    self.navigationController?.pushViewController(shopVC, animated: true)
                }
                return cell
            }else if indexPath.item == 3 {
                
                let cell = collectionView.dequeueReusableCellWithReuseIdentifier("sCell", forIndexPath: indexPath) as! SubjectCollectionViewCell
                
                return cell
                
            }else {
                
                let cell = collectionView.dequeueReusableCellWithReuseIdentifier("gCell", forIndexPath: indexPath) as! GiftCollectionViewCell
                
                return cell
                
            }
            
        }
        
        func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
            
            for btt in buttonsArray {
                
                btt.titleLabel?!.font = UIFont.systemFontOfSize(15)
                btt.setTitleColor(UIColor.lightGrayColor(), forState: .Normal)
            }
           
            UIView.animateWithDuration(0.3) { () -> Void in
                
            self.lineView.frame = CGRectMake(15 * WIDTH + (UIScreen.mainScreen().bounds.width / 5.0) * CGFloat (self.collectionView.contentOffset.x / (UIScreen.mainScreen().bounds.width)), 38 * HEIGTH, UIScreen.mainScreen().bounds.width / 5.0 - 30 * WIDTH, 2)
            }
            
            let btn = buttonsArray.objectAtIndex(Int(self.collectionView.contentOffset.x / UIScreen.mainScreen().bounds.width))
            
            btn.titleLabel?!.font = UIFont.systemFontOfSize(16 * WIDTH)
            btn.setTitleColor(UIColor.whiteColor(), forState: .Normal)
            
        }
        override func didReceiveMemoryWarning() {
            super.didReceiveMemoryWarning()
            // Dispose of any resources that can be recreated.
        }
    
    }
    

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