├── SBCollectionView ├── Assets.xcassets │ ├── Contents.json │ └── AppIcon.appiconset │ │ ├── LALIcon58.png │ │ ├── LALIcon80.png │ │ ├── LALIcon87.png │ │ ├── LALIcon120-1.png │ │ ├── LALIcon120.png │ │ ├── LALIcon180.png │ │ └── Contents.json ├── Info.plist ├── Base.lproj │ └── LaunchScreen.storyboard ├── AppDelegate.swift ├── ImageCache.swift └── SBCollectoinViewController.swift ├── SBCollectionView.xcodeproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ ├── prodapt.xcuserdatad │ │ └── UserInterfaceState.xcuserstate │ │ └── support.xcuserdatad │ │ └── UserInterfaceState.xcuserstate ├── xcuserdata │ ├── prodapt.xcuserdatad │ │ └── xcschemes │ │ │ ├── xcschememanagement.plist │ │ │ └── SBCollectionView.xcscheme │ └── support.xcuserdatad │ │ └── xcschemes │ │ ├── xcschememanagement.plist │ │ └── SBCollectionView.xcscheme └── project.pbxproj ├── SBCollectionViewTests ├── Info.plist └── SBCollectionViewTests.swift ├── SBCollectionViewUITests ├── Info.plist └── SBCollectionViewUITests.swift └── README.md /SBCollectionView/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon58.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon58.png -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon80.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon80.png -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon87.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon87.png -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon120-1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon120-1.png -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon120.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon120.png -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon180.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView/Assets.xcassets/AppIcon.appiconset/LALIcon180.png -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/project.xcworkspace/xcuserdata/prodapt.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView.xcodeproj/project.xcworkspace/xcuserdata/prodapt.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/project.xcworkspace/xcuserdata/support.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SankarLal/SBCollectionView/HEAD/SBCollectionView.xcodeproj/project.xcworkspace/xcuserdata/support.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /SBCollectionViewTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /SBCollectionViewUITests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/xcuserdata/prodapt.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | SBCollectionView.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 4EE375911BE0B999001A6624 16 | 17 | primary 18 | 19 | 20 | 4EE375A51BE0B999001A6624 21 | 22 | primary 23 | 24 | 25 | 4EE375B01BE0B999001A6624 26 | 27 | primary 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/xcuserdata/support.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | SBCollectionView.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 4EE375911BE0B999001A6624 16 | 17 | primary 18 | 19 | 20 | 4EE375A51BE0B999001A6624 21 | 22 | primary 23 | 24 | 25 | 4EE375B01BE0B999001A6624 26 | 27 | primary 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /SBCollectionViewTests/SBCollectionViewTests.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | import XCTest 4 | @testable import SBCollectionView 5 | 6 | class SBCollectionViewTests: XCTestCase { 7 | 8 | override func setUp() { 9 | super.setUp() 10 | // Put setup code here. This method is called before the invocation of each test method in the class. 11 | } 12 | 13 | override func tearDown() { 14 | // Put teardown code here. This method is called after the invocation of each test method in the class. 15 | super.tearDown() 16 | } 17 | 18 | func testExample() { 19 | // This is an example of a functional test case. 20 | // Use XCTAssert and related functions to verify your tests produce the correct results. 21 | } 22 | 23 | func testPerformanceExample() { 24 | // This is an example of a performance test case. 25 | self.measureBlock { 26 | // Put the code you want to measure the time of here. 27 | } 28 | } 29 | 30 | } 31 | -------------------------------------------------------------------------------- /SBCollectionView/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "29x29", 5 | "idiom" : "iphone", 6 | "filename" : "LALIcon58.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "29x29", 11 | "idiom" : "iphone", 12 | "filename" : "LALIcon87.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "40x40", 17 | "idiom" : "iphone", 18 | "filename" : "LALIcon80.png", 19 | "scale" : "2x" 20 | }, 21 | { 22 | "size" : "40x40", 23 | "idiom" : "iphone", 24 | "filename" : "LALIcon120.png", 25 | "scale" : "3x" 26 | }, 27 | { 28 | "size" : "60x60", 29 | "idiom" : "iphone", 30 | "filename" : "LALIcon120-1.png", 31 | "scale" : "2x" 32 | }, 33 | { 34 | "size" : "60x60", 35 | "idiom" : "iphone", 36 | "filename" : "LALIcon180.png", 37 | "scale" : "3x" 38 | } 39 | ], 40 | "info" : { 41 | "version" : 1, 42 | "author" : "xcode" 43 | } 44 | } -------------------------------------------------------------------------------- /SBCollectionViewUITests/SBCollectionViewUITests.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | import XCTest 4 | 5 | class SBCollectionViewUITests: XCTestCase { 6 | 7 | override func setUp() { 8 | super.setUp() 9 | 10 | // Put setup code here. This method is called before the invocation of each test method in the class. 11 | 12 | // In UI tests it is usually best to stop immediately when a failure occurs. 13 | continueAfterFailure = false 14 | // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method. 15 | XCUIApplication().launch() 16 | 17 | // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this. 18 | } 19 | 20 | override func tearDown() { 21 | // Put teardown code here. This method is called after the invocation of each test method in the class. 22 | super.tearDown() 23 | } 24 | 25 | func testExample() { 26 | // Use recording to get started writing UI tests. 27 | // Use XCTAssert and related functions to verify your tests produce the correct results. 28 | } 29 | 30 | } 31 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # SBCollectionView 2 | This is simple CollectionView with downloading images and storing in cache using Swift... 3 | 4 | ## Requirements 5 | * Xcode 5 or higher 6 | * Apple LLVM compiler 7 | * iOS 7.1 or higher 8 | * ARC 9 | 10 | ## Contact 11 | sankarlal20@gmail.com 12 | 13 | ## License 14 | 15 | SBCollectionView is available under the MIT license. 16 | 17 | Copyright © 2015 18 | 19 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 20 | 21 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 22 | 23 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 | -------------------------------------------------------------------------------- /SBCollectionView/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | NSAppTransportSecurity 38 | 39 | NSAllowsArbitraryLoads 40 | 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /SBCollectionView/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /SBCollectionView/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | import UIKit 4 | 5 | @UIApplicationMain 6 | class AppDelegate: UIResponder, UIApplicationDelegate { 7 | 8 | var window: UIWindow? 9 | 10 | 11 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { 12 | // Override point for customization after application launch. 13 | 14 | 15 | self.window = UIWindow(frame: UIScreen.main.bounds) 16 | self.window?.backgroundColor = UIColor.white 17 | 18 | let rootNavigationController : UINavigationController = UINavigationController(rootViewController: SBCollectoinViewController ()) 19 | self.window?.rootViewController = rootNavigationController 20 | self.window?.makeKeyAndVisible() 21 | return true 22 | } 23 | 24 | func applicationWillResignActive(_ application: UIApplication) { 25 | // 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. 26 | // 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. 27 | } 28 | 29 | func applicationDidEnterBackground(_ application: UIApplication) { 30 | // 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. 31 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 32 | } 33 | 34 | func applicationWillEnterForeground(_ application: UIApplication) { 35 | // 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. 36 | } 37 | 38 | func applicationDidBecomeActive(_ application: UIApplication) { 39 | // 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. 40 | } 41 | 42 | func applicationWillTerminate(_ application: UIApplication) { 43 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 44 | } 45 | 46 | 47 | } 48 | 49 | -------------------------------------------------------------------------------- /SBCollectionView/ImageCache.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | import Foundation 5 | import UIKit 6 | 7 | class ImageCache: NSObject, URLSessionTaskDelegate { 8 | 9 | class var sharedInstance: ImageCache { 10 | struct Singleton { 11 | static let instance = ImageCache() 12 | } 13 | return Singleton.instance 14 | } 15 | 16 | var session:URLSession! 17 | var uRLCache = URLCache(memoryCapacity: 20 * 1024 * 1024, diskCapacity: 100 * 1024 * 1024, diskPath: "ImageDownloadCache") 18 | var downloadQueue = Dictionary()?>() 19 | 20 | override init() { 21 | super.init() 22 | 23 | let config = URLSessionConfiguration.default 24 | config.requestCachePolicy = NSURLRequest.CachePolicy.returnCacheDataElseLoad 25 | config.urlCache = uRLCache 26 | self.session = URLSession(configuration: config, delegate: self, delegateQueue: nil) 27 | } 28 | 29 | func getImageFromCache(url : URL, completion:@escaping (UIImage?, NSError?)->()) { 30 | let urlRequest = URLRequest(url: url, cachePolicy: .returnCacheDataElseLoad, timeoutInterval: 30.0) 31 | if let response = URLCache.shared.cachedResponse(for: urlRequest) { 32 | let image = UIImage(data: response.data) 33 | DispatchQueue.main.async { 34 | completion(image, nil) 35 | return 36 | } 37 | } else { 38 | completion(nil, nil) 39 | } 40 | } 41 | 42 | func getImage(url:URL, completion:((UIImage?, NSError?)->())?) { 43 | 44 | let urlRequest = URLRequest(url: url, cachePolicy: .returnCacheDataElseLoad, timeoutInterval: 30.0) 45 | 46 | if let response = URLCache.shared.cachedResponse(for: urlRequest){ 47 | let image = UIImage(data: response.data) 48 | DispatchQueue.main.async { 49 | completion!(image, nil) 50 | return 51 | } 52 | } else { 53 | let task = self.session.dataTask(with: urlRequest) { [weak self] (data, response, error) -> Void in 54 | if let strongSelf = self { 55 | if let completionHandler = strongSelf.downloadQueue[url] { 56 | if error != nil { 57 | // print("ERROR >>>>>>>>> \(errorReceived.localizedFailureReason)") 58 | DispatchQueue.main.async { 59 | completionHandler(nil, nil) 60 | return 61 | } 62 | 63 | } else { 64 | if let httpResponse = response as? HTTPURLResponse { 65 | if httpResponse.statusCode >= 400 { 66 | completionHandler(nil, NSError(domain: NSURLErrorDomain, code: httpResponse.statusCode, userInfo: nil)) 67 | } else { 68 | strongSelf.uRLCache.storeCachedResponse(CachedURLResponse(response:response!, data:data!, userInfo:nil, storagePolicy:URLCache.StoragePolicy.allowed), for: urlRequest) 69 | 70 | let image = UIImage(data: data!) 71 | DispatchQueue.main.async { 72 | completionHandler(image, nil) 73 | return 74 | } 75 | 76 | } 77 | } 78 | } 79 | } 80 | strongSelf.cancelImage(url) 81 | } 82 | } 83 | addToQueue(url, task, completion: completion) 84 | } 85 | } 86 | 87 | func cancelImage(_ requestUrl: URL?) { 88 | if let url = requestUrl { 89 | if let index = self.downloadQueue.index(forKey: url) { 90 | self.downloadQueue.remove(at: index) 91 | } 92 | } 93 | } 94 | 95 | 96 | // MARK: - Private 97 | 98 | private func addToQueue(_ url: URL, _ task:URLSessionDataTask, completion:((UIImage?, NSError?)->())?) { 99 | self.downloadQueue[url] = completion 100 | if task.state != .running { 101 | task.resume() 102 | } 103 | } 104 | } 105 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/xcuserdata/prodapt.xcuserdatad/xcschemes/SBCollectionView.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 43 | 49 | 50 | 51 | 52 | 53 | 59 | 60 | 61 | 62 | 63 | 64 | 74 | 76 | 82 | 83 | 84 | 85 | 86 | 87 | 93 | 95 | 101 | 102 | 103 | 104 | 106 | 107 | 110 | 111 | 112 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/xcuserdata/support.xcuserdatad/xcschemes/SBCollectionView.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 31 | 32 | 34 | 40 | 41 | 42 | 44 | 50 | 51 | 52 | 53 | 54 | 60 | 61 | 62 | 63 | 64 | 65 | 76 | 78 | 84 | 85 | 86 | 87 | 88 | 89 | 95 | 97 | 103 | 104 | 105 | 106 | 108 | 109 | 112 | 113 | 114 | -------------------------------------------------------------------------------- /SBCollectionView/SBCollectoinViewController.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | import UIKit 4 | 5 | class SBCollectoinViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout, UIScrollViewDelegate { 6 | 7 | var dCollectionView : UICollectionView! 8 | 9 | let customeArray = [ 10 | [ 11 | "http://oi43.tinypic.com/25hz7sg.jpg", 12 | "http://oi44.tinypic.com/16hvtok.jpg", 13 | "http://www.google.com/intl/en_ALL/images/logo.png", 14 | "https://www.gstatic.com/webp/gallery3/1.png", 15 | "https://www.gstatic.com/webp/gallery3/2.png" 16 | ], 17 | 18 | [ 19 | "https://www.gstatic.com/webp/gallery3/3.png", 20 | "https://www.gstatic.com/webp/gallery3/5.png", 21 | "https://www.gstatic.com/webp/gallery3/4.png" 22 | ] 23 | , 24 | [ 25 | "http://www.gstatic.com/webp/gallery/1.jpg", 26 | "http://www.gstatic.com/webp/gallery/2.jpg", 27 | "http://www.gstatic.com/webp/gallery/3.jpg" 28 | ], 29 | [ 30 | "http://www.gstatic.com/webp/gallery/4.jpg", 31 | "http://www.gstatic.com/webp/gallery/5.jpg", 32 | "http://www.bbcode.org/images/lubeck_small.jpg" 33 | ], 34 | [ 35 | "http://www.fnordware.com/superpng/pnggrad16rgb.png", 36 | "https://www.gstatic.com/webp/gallery3/2.png" 37 | ], 38 | [ 39 | "https://www.gstatic.com/webp/gallery3/3.png" 40 | ] 41 | ] 42 | 43 | override func viewDidLoad() { 44 | super.viewDidLoad() 45 | // Do any additional setup after loading the view, typically from a nib. 46 | self.title = "SB Collection View Demo" 47 | 48 | setupCollectionView() 49 | } 50 | 51 | func setupCollectionView () { 52 | 53 | let dCollectionViewFlowLayout : UICollectionViewFlowLayout = UICollectionViewFlowLayout () 54 | dCollectionView = UICollectionView (frame: self.view.frame, collectionViewLayout: dCollectionViewFlowLayout) 55 | dCollectionView.delegate = self 56 | dCollectionView.dataSource = self 57 | dCollectionView.backgroundColor = UIColor.black 58 | 59 | dCollectionView.register(UICollectionViewCell.classForCoder(), forCellWithReuseIdentifier: "cellIdentifier") 60 | self.view.addSubview(dCollectionView) 61 | 62 | } 63 | 64 | func numberOfSections(in collectionView: UICollectionView) -> Int { 65 | return 1 66 | } 67 | 68 | func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { 69 | return customeArray.count 70 | } 71 | 72 | func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize { 73 | return CGSize(width: self.view.frame.size.width, height: 200) 74 | } 75 | 76 | func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { 77 | 78 | let cell : UICollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: "cellIdentifier", for: indexPath) 79 | cell.backgroundColor = UIColor(red: 255.0/255.0, green: 255.0/255.0, blue: 255.0/255.0, alpha: 0.5) 80 | 81 | let lbl_Title : UILabel = UILabel.init(frame: CGRect.init(x: 0, y: 1, width: dCollectionView.frame.size.width, height: 30)) 82 | lbl_Title.backgroundColor = UIColor.white 83 | lbl_Title.textAlignment = .center 84 | cell.addSubview(lbl_Title) 85 | 86 | let scroll: UIScrollView = UIScrollView.init(frame: CGRect.init(x: 0, y: 33, width: dCollectionView.frame.size.width, height: 164)) 87 | scroll.delegate = self 88 | scroll.backgroundColor = UIColor.white 89 | cell.addSubview(scroll) 90 | 91 | var xbase : CGFloat = 10 92 | 93 | for i in customeArray[indexPath.row] { 94 | 95 | let imgView : UIImageView = UIImageView.init(frame: CGRect.init(x: xbase, y: 7, width: 100, height: 150)) 96 | imgView.layer.cornerRadius = 0.5 97 | imgView.layer.borderColor = UIColor.red.cgColor 98 | imgView.layer.borderWidth = 0.5 99 | scroll.addSubview(imgView) 100 | xbase += 100 + 10 101 | 102 | let indicator : UIActivityIndicatorView = UIActivityIndicatorView.init(activityIndicatorStyle: .gray) 103 | indicator.frame = CGRect.init(x: 0, y: 0, width: 25, height: 25) 104 | indicator.color = UIColor.black 105 | indicator.center = imgView.center 106 | indicator.startAnimating() 107 | scroll.addSubview(indicator) 108 | 109 | ImageCache.sharedInstance.getImage(url: URL.init(string: i)! , completion: { (image, error) in 110 | if let _ = error { 111 | // thou shall handle errors 112 | } else if let fullImage = image { 113 | imgView.image = fullImage 114 | indicator.stopAnimating() 115 | } 116 | }) 117 | } 118 | scroll.contentSize = CGSize.init(width: xbase, height: scroll.frame.size.height) 119 | lbl_Title.text = "Index Path Row Is \(indexPath.row)" 120 | 121 | return cell 122 | 123 | } 124 | 125 | override func didReceiveMemoryWarning() { 126 | super.didReceiveMemoryWarning() 127 | // Dispose of any resources that can be recreated. 128 | } 129 | 130 | 131 | 132 | } 133 | -------------------------------------------------------------------------------- /SBCollectionView.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 4EE375961BE0B999001A6624 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EE375951BE0B999001A6624 /* AppDelegate.swift */; }; 11 | 4EE3759D1BE0B999001A6624 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 4EE3759C1BE0B999001A6624 /* Assets.xcassets */; }; 12 | 4EE375A01BE0B999001A6624 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 4EE3759E1BE0B999001A6624 /* LaunchScreen.storyboard */; }; 13 | 4EE375AB1BE0B999001A6624 /* 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