├── README.md ├── DynamicHeightCollectionView ├── Assets.xcassets │ ├── Contents.json │ └── AppIcon.appiconset │ │ └── Contents.json ├── Example │ ├── DynamicHeightCollectionView.swift │ ├── CollectionViewCell.swift │ ├── ViewController.swift │ ├── TableViewCell.swift │ └── CollectionViewFlowLayout.swift ├── Info.plist ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard └── AppDelegate.swift └── DynamicHeightCollectionView.xcodeproj ├── project.xcworkspace ├── contents.xcworkspacedata ├── xcuserdata │ └── payalgupta.xcuserdatad │ │ └── UserInterfaceState.xcuserstate └── xcshareddata │ └── IDEWorkspaceChecks.plist ├── xcuserdata └── payalgupta.xcuserdatad │ └── xcschemes │ └── xcschememanagement.plist └── project.pbxproj /README.md: -------------------------------------------------------------------------------- 1 | # DynamicHeightCollectionView 2 | Dynamic Height Collection View 3 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /DynamicHeightCollectionView.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView.xcodeproj/project.xcworkspace/xcuserdata/payalgupta.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pgpt10/DynamicHeightCollectionView/HEAD/DynamicHeightCollectionView.xcodeproj/project.xcworkspace/xcuserdata/payalgupta.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /DynamicHeightCollectionView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView.xcodeproj/xcuserdata/payalgupta.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | DynamicHeightCollectionView.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Example/DynamicHeightCollectionView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // DynamicHeightCollectionView.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 11/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class DynamicHeightCollectionView: UICollectionView { 12 | override func layoutSubviews() { 13 | super.layoutSubviews() 14 | if !__CGSizeEqualToSize(bounds.size, self.intrinsicContentSize) { 15 | self.invalidateIntrinsicContentSize() 16 | } 17 | } 18 | 19 | override var intrinsicContentSize: CGSize { 20 | return contentSize 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Example/CollectionViewCell.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewCell.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 11/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class CollectionViewCell: UICollectionViewCell { 12 | @IBOutlet weak var textLabel: UILabel! 13 | 14 | override func awakeFromNib() { 15 | super.awakeFromNib() 16 | self.textLabel.text = nil 17 | self.layer.cornerRadius = 3.0 18 | self.layer.borderWidth = 1.0 19 | self.layer.borderColor = #colorLiteral(red: 0.2392156869, green: 0.6745098233, blue: 0.9686274529, alpha: 1).cgColor 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Example/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 08/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class ViewController: UIViewController { 12 | @IBOutlet weak var tableView: UITableView! 13 | 14 | var arr = ["Basic Operators", "Strings and Characters", "Collection Types", "Control Flow", "Structures and Classes", "Optional Chaining", "Closures", "Automatic Reference Counting", "Advanced Operators", "Access Control", "Memory Safety", "Generics", "Protocols", "Extensions", "Type Casting", "Nested Types", "Error Handling", "Deinitialization"] 15 | 16 | override func viewDidLoad() { 17 | super.viewDidLoad() 18 | } 19 | } 20 | 21 | extension ViewController: UITableViewDataSource, UITableViewDelegate { 22 | func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 23 | return 1 24 | } 25 | 26 | func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { 27 | let cell = tableView.dequeueReusableCell(withIdentifier: "TableViewCell", for: indexPath) as! TableViewCell 28 | cell.configure(with: self.arr) 29 | return cell 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Example/TableViewCell.swift: -------------------------------------------------------------------------------- 1 | // 2 | // TableViewCell.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 11/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class TableViewCell: UITableViewCell { 12 | @IBOutlet weak var collectionView: UICollectionView! 13 | var arr = [String]() 14 | 15 | func configure(with arr: [String]) { 16 | self.arr = arr 17 | self.collectionView.reloadData() 18 | self.collectionView.layoutIfNeeded() 19 | } 20 | } 21 | 22 | extension TableViewCell: UICollectionViewDataSource, UICollectionViewDelegateFlowLayout { 23 | func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { 24 | return self.arr.count 25 | } 26 | 27 | func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { 28 | let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "CollectionViewCell", for: indexPath) as! CollectionViewCell 29 | cell.textLabel.text = self.arr[indexPath.row] 30 | return cell 31 | } 32 | 33 | func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize { 34 | let text = self.arr[indexPath.row] 35 | let cellWidth = text.size(withAttributes:[.font: UIFont.systemFont(ofSize:12.0)]).width + 30.0 36 | return CGSize(width: cellWidth, height: 30.0) 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 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 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIMainStoryboardFile 26 | Main 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/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 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "size" : "1024x1024", 91 | "scale" : "1x" 92 | } 93 | ], 94 | "info" : { 95 | "version" : 1, 96 | "author" : "xcode" 97 | } 98 | } -------------------------------------------------------------------------------- /DynamicHeightCollectionView/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 08/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { 18 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(_ application: UIApplication) { 23 | // 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. 24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(_ application: UIApplication) { 28 | // 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. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(_ application: UIApplication) { 33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(_ application: UIApplication) { 37 | // 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. 38 | } 39 | 40 | func applicationWillTerminate(_ application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | 45 | } 46 | 47 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Example/CollectionViewFlowLayout.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewFlowLayout.swift 3 | // DynamicHeightCollectionView 4 | // 5 | // Created by Payal Gupta on 11/02/19. 6 | // Copyright © 2019 Payal Gupta. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class CollectionViewFlowLayout: UICollectionViewFlowLayout { 12 | var tempCellAttributesArray = [UICollectionViewLayoutAttributes]() 13 | let leftEdgeInset: CGFloat = 10 14 | 15 | override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? { 16 | let cellAttributesArray = super.layoutAttributesForElements(in: rect) 17 | //Oth position cellAttr is InConvience Emoji Cell, from 1st onwards info cells are there, thats why we start count from 2nd position. 18 | if(cellAttributesArray != nil && cellAttributesArray!.count > 1) { 19 | for i in 1..<(cellAttributesArray!.count) { 20 | let prevLayoutAttributes: UICollectionViewLayoutAttributes = cellAttributesArray![i - 1] 21 | let currentLayoutAttributes: UICollectionViewLayoutAttributes = cellAttributesArray![i] 22 | let maximumSpacing: CGFloat = 8 23 | let prevCellMaxX: CGFloat = prevLayoutAttributes.frame.maxX 24 | //UIEdgeInset 30 from left 25 | let collectionViewSectionWidth = self.collectionViewContentSize.width - leftEdgeInset 26 | let currentCellExpectedMaxX = prevCellMaxX + maximumSpacing + (currentLayoutAttributes.frame.size.width ) 27 | if currentCellExpectedMaxX < collectionViewSectionWidth { 28 | var frame: CGRect? = currentLayoutAttributes.frame 29 | frame?.origin.x = prevCellMaxX + maximumSpacing 30 | frame?.origin.y = prevLayoutAttributes.frame.origin.y 31 | currentLayoutAttributes.frame = frame ?? CGRect.zero 32 | } else { 33 | // self.shiftCellsToCenter() 34 | currentLayoutAttributes.frame.origin.x = leftEdgeInset 35 | //To Avoid InConvience Emoji Cell 36 | if (prevLayoutAttributes.frame.origin.x != 0) { 37 | currentLayoutAttributes.frame.origin.y = prevLayoutAttributes.frame.origin.y + prevLayoutAttributes.frame.size.height + 08 38 | } 39 | } 40 | // print(currentLayoutAttributes.frame) 41 | } 42 | //print("Main For Loop End") 43 | } 44 | // self.shiftCellsToCenter() 45 | return cellAttributesArray 46 | } 47 | 48 | func shiftCellsToCenter() { 49 | if (tempCellAttributesArray.count == 0) {return} 50 | let lastCellLayoutAttributes = self.tempCellAttributesArray[self.tempCellAttributesArray.count-1] 51 | let lastCellMaxX: CGFloat = lastCellLayoutAttributes.frame.maxX 52 | let collectionViewSectionWidth = self.collectionViewContentSize.width - leftEdgeInset 53 | let xAxisDifference = collectionViewSectionWidth - lastCellMaxX 54 | if xAxisDifference > 0 { 55 | for each in self.tempCellAttributesArray{ 56 | each.frame.origin.x += xAxisDifference/2 57 | } 58 | } 59 | 60 | } 61 | } 62 | 63 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView/Base.lproj/Main.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 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | -------------------------------------------------------------------------------- /DynamicHeightCollectionView.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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