├── .gitignore
├── Collection View in a Table View Cell.xcodeproj
    ├── project.pbxproj
    └── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │       └── IDEWorkspaceChecks.plist
├── License.md
├── README.md
└── Table View in a Collection View
    ├── AppDelegate.swift
    ├── Assets.xcassets
        └── AppIcon.appiconset
        │   └── Contents.json
    ├── Base.lproj
        ├── LaunchScreen.storyboard
        └── Main.storyboard
    ├── Helpers.swift
    ├── Info.plist
    ├── TableViewCell.swift
    └── ViewController.swift


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Xcode
 2 | #
 3 | build/
 4 | *.pbxuser
 5 | !default.pbxuser
 6 | *.mode1v3
 7 | !default.mode1v3
 8 | *.mode2v3
 9 | !default.mode2v3
10 | *.perspectivev3
11 | !default.perspectivev3
12 | xcuserdata
13 | *.xccheckout
14 | *.moved-aside
15 | DerivedData
16 | *.hmap
17 | *.ipa
18 | *.xcuserstate
19 | 
20 | # CocoaPods
21 | #
22 | # We recommend against adding the Pods directory to your .gitignore. However
23 | # you should judge for yourself, the pros and cons are mentioned at:
24 | # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
25 | #
26 | # Pods/
27 | 
28 | # Carthage
29 | #
30 | # Add this line if you want to avoid checking in source code from Carthage dependencies.
31 | # Carthage/Checkouts
32 | 
33 | Carthage/Build
34 | 


--------------------------------------------------------------------------------
/Collection View in a Table View Cell.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
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309 | 	};
310 | 	rootObject = 5EC1979D1BE90648006F33C7 /* Project object */;
311 | }
312 | 


--------------------------------------------------------------------------------
/Collection View in a Table View Cell.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:/Users/ash/bin/Table View in a Collection View/Collection View in a Table View Cell.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/Collection View in a Table View Cell.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/License.md:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2015 Ash Furrow
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 
23 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | Putting a collection view inside a table view cell has become a common user interface pattern. This repository contains sample code for a [tutorial where I show you how to do just that](http://ashfurrow.com/blog/putting-a-uicollectionview-in-a-uitableviewcell-in-swift/).
2 | 
3 | <p align="center">
4 |   <img src="http://static.ashfurrow.com/github/tutorial.png" />
5 | </p>
6 | 
7 | This code is licensed under MIT, so you can do whatever you like with it. If you have a question, just [open an issue](https://github.com/ashfurrow/Collection-View-in-a-Table-View-Cell/issues/new) :tada:
8 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | import UIKit
 2 | 
 3 | @UIApplicationMain
 4 | class AppDelegate: UIResponder, UIApplicationDelegate {
 5 | 
 6 |     var window: UIWindow?
 7 | 
 8 | 
 9 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
10 |         
11 |         return true
12 |     }
13 | }
14 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "29x29",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "29x29",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "40x40",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "40x40",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "60x60",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "60x60",
31 |       "scale" : "3x"
32 |     }
33 |   ],
34 |   "info" : {
35 |     "version" : 1,
36 |     "author" : "xcode"
37 |   }
38 | }


--------------------------------------------------------------------------------
/Table View in a Collection View/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8150" systemVersion="15A204g" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8122"/>
 5 |     </dependencies>
 6 |     <scenes>
 7 |         <!--View Controller-->
 8 |         <scene sceneID="EHf-IW-A2E">
 9 |             <objects>
10 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
11 |                     <layoutGuides>
12 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
13 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
14 |                     </layoutGuides>
15 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
16 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
17 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
18 |                         <animations/>
19 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11542" systemVersion="16B2555" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="bhX-Sl-vfd">
 3 |     <device id="retina4_7" orientation="portrait">
 4 |         <adaptation id="fullscreen"/>
 5 |     </device>
 6 |     <dependencies>
 7 |         <deployment identifier="iOS"/>
 8 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11524"/>
 9 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
10 |     </dependencies>
11 |     <scenes>
12 |         <!--Root View Controller-->
13 |         <scene sceneID="2df-2y-fRU">
14 |             <objects>
15 |                 <tableViewController id="n4v-wa-sRe" customClass="ViewController" customModule="Collection_View_in_a_Table_View_Cell" customModuleProvider="target" sceneMemberID="viewController">
16 |                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="88" sectionHeaderHeight="28" sectionFooterHeight="28" id="uiF-OV-nzp">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                         <prototypes>
21 |                             <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" rowHeight="88" id="dVh-Kx-8r0" customClass="TableViewCell" customModule="Collection_View_in_a_Table_View_Cell" customModuleProvider="target">
22 |                                 <rect key="frame" x="0.0" y="28" width="375" height="88"/>
23 |                                 <autoresizingMask key="autoresizingMask"/>
24 |                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="dVh-Kx-8r0" id="rIq-Vb-WWl">
25 |                                     <rect key="frame" x="0.0" y="0.0" width="375" height="87"/>
26 |                                     <autoresizingMask key="autoresizingMask"/>
27 |                                     <subviews>
28 |                                         <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="Okc-ir-a1l">
29 |                                             <rect key="frame" x="0.0" y="0.0" width="375" height="88"/>
30 |                                             <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
31 |                                             <collectionViewFlowLayout key="collectionViewLayout" scrollDirection="horizontal" minimumLineSpacing="10" minimumInteritemSpacing="10" id="Mdx-Bl-Pl8">
32 |                                                 <size key="itemSize" width="68" height="68"/>
33 |                                                 <size key="headerReferenceSize" width="0.0" height="0.0"/>
34 |                                                 <size key="footerReferenceSize" width="0.0" height="0.0"/>
35 |                                                 <inset key="sectionInset" minX="10" minY="0.0" maxX="10" maxY="0.0"/>
36 |                                             </collectionViewFlowLayout>
37 |                                             <cells>
38 |                                                 <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="Cell" id="b53-qX-2Jk">
39 |                                                     <rect key="frame" x="10" y="10" width="68" height="68"/>
40 |                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
41 |                                                     <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
42 |                                                         <rect key="frame" x="0.0" y="0.0" width="68" height="68"/>
43 |                                                         <autoresizingMask key="autoresizingMask"/>
44 |                                                     </view>
45 |                                                     <color key="backgroundColor" red="0.84894469895287961" green="0.43564303679087762" blue="0.19581285210775706" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
46 |                                                 </collectionViewCell>
47 |                                             </cells>
48 |                                         </collectionView>
49 |                                     </subviews>
50 |                                     <constraints>
51 |                                         <constraint firstItem="Okc-ir-a1l" firstAttribute="centerY" secondItem="rIq-Vb-WWl" secondAttribute="centerY" id="9FT-84-NNw"/>
52 |                                         <constraint firstAttribute="trailing" secondItem="Okc-ir-a1l" secondAttribute="trailing" id="EOE-Se-moQ"/>
53 |                                         <constraint firstItem="Okc-ir-a1l" firstAttribute="top" secondItem="rIq-Vb-WWl" secondAttribute="top" id="Oly-Dm-mLe"/>
54 |                                         <constraint firstItem="Okc-ir-a1l" firstAttribute="leading" secondItem="rIq-Vb-WWl" secondAttribute="leading" id="ySy-uh-gpH"/>
55 |                                     </constraints>
56 |                                 </tableViewCellContentView>
57 |                                 <connections>
58 |                                     <outlet property="collectionView" destination="Okc-ir-a1l" id="dEY-as-ypW"/>
59 |                                 </connections>
60 |                             </tableViewCell>
61 |                         </prototypes>
62 |                         <connections>
63 |                             <outlet property="dataSource" destination="n4v-wa-sRe" id="00R-zS-JK9"/>
64 |                             <outlet property="delegate" destination="n4v-wa-sRe" id="BfD-bo-lQF"/>
65 |                         </connections>
66 |                     </tableView>
67 |                     <navigationItem key="navigationItem" title="Root View Controller" id="orf-Dh-aAz"/>
68 |                 </tableViewController>
69 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="cql-BE-do5" userLabel="First Responder" sceneMemberID="firstResponder"/>
70 |             </objects>
71 |             <point key="canvasLocation" x="753" y="245"/>
72 |         </scene>
73 |         <!--Navigation Controller-->
74 |         <scene sceneID="j60-gf-rxG">
75 |             <objects>
76 |                 <navigationController id="bhX-Sl-vfd" sceneMemberID="viewController">
77 |                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="qpv-hU-cHe">
78 |                         <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
79 |                         <autoresizingMask key="autoresizingMask"/>
80 |                     </navigationBar>
81 |                     <connections>
82 |                         <segue destination="n4v-wa-sRe" kind="relationship" relationship="rootViewController" id="tLI-HN-4m9"/>
83 |                     </connections>
84 |                 </navigationController>
85 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="Rz5-IC-Tdv" userLabel="First Responder" sceneMemberID="firstResponder"/>
86 |             </objects>
87 |             <point key="canvasLocation" x="-67" y="245"/>
88 |         </scene>
89 |     </scenes>
90 | </document>
91 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/Helpers.swift:
--------------------------------------------------------------------------------
 1 | import UIKit
 2 | 
 3 | func generateRandomData() -> [[UIColor]] {
 4 |     let numberOfRows = 20
 5 |     let numberOfItemsPerRow = 15
 6 | 
 7 |     return (0..<numberOfRows).map { _ in
 8 |         return (0..<numberOfItemsPerRow).map { _ in UIColor.randomColor() }
 9 |     }
10 | }
11 | 
12 | extension UIColor {
13 |     
14 |     class func randomColor() -> UIColor {
15 | 
16 |         let hue = CGFloat(arc4random() % 100) / 100
17 |         let saturation = CGFloat(arc4random() % 100) / 100
18 |         let brightness = CGFloat(arc4random() % 100) / 100
19 | 
20 |         return UIColor(hue: hue, saturation: saturation, brightness: brightness, alpha: 1.0)
21 |     }
22 | }
23 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | </dict>
40 | </plist>
41 | 


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/Table View in a Collection View/TableViewCell.swift:
--------------------------------------------------------------------------------
 1 | import UIKit
 2 | 
 3 | class TableViewCell: UITableViewCell {
 4 | 
 5 |     @IBOutlet fileprivate weak var collectionView: UICollectionView!
 6 | 
 7 | }
 8 | 
 9 | extension TableViewCell {
10 | 
11 |     func setCollectionViewDataSourceDelegate<D: UICollectionViewDataSource & UICollectionViewDelegate>(_ dataSourceDelegate: D, forRow row: Int) {
12 | 
13 |         collectionView.delegate = dataSourceDelegate
14 |         collectionView.dataSource = dataSourceDelegate
15 |         collectionView.tag = row
16 |         collectionView.setContentOffset(collectionView.contentOffset, animated:false) // Stops collection view if it was scrolling.
17 |         collectionView.reloadData()
18 |     }
19 | 
20 |     var collectionViewOffset: CGFloat {
21 |         set { collectionView.contentOffset.x = newValue }
22 |         get { return collectionView.contentOffset.x }
23 |     }
24 | }
25 | 


--------------------------------------------------------------------------------
/Table View in a Collection View/ViewController.swift:
--------------------------------------------------------------------------------
 1 | import UIKit
 2 | 
 3 | class ViewController: UITableViewController {
 4 | 
 5 |     let model = generateRandomData()
 6 |     var storedOffsets = [Int: CGFloat]()
 7 | 
 8 |     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
 9 |         return model.count
10 |     }
11 | 
12 |     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
13 | 
14 |         let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
15 | 
16 |         return cell
17 |     }
18 | 
19 |     override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
20 | 
21 |         guard let tableViewCell = cell as? TableViewCell else { return }
22 | 
23 |         tableViewCell.setCollectionViewDataSourceDelegate(self, forRow: indexPath.row)
24 |         tableViewCell.collectionViewOffset = storedOffsets[indexPath.row] ?? 0
25 |     }
26 | 
27 |     override func tableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
28 | 
29 |         guard let tableViewCell = cell as? TableViewCell else { return }
30 | 
31 |         storedOffsets[indexPath.row] = tableViewCell.collectionViewOffset
32 |     }
33 | }
34 | 
35 | extension ViewController: UICollectionViewDelegate, UICollectionViewDataSource {
36 |     func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
37 |         return model[collectionView.tag].count
38 |     }
39 | 
40 |     func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
41 |         let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath)
42 | 
43 |         cell.backgroundColor = model[collectionView.tag][indexPath.item]
44 | 
45 |         return cell
46 |     }
47 | 
48 |     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
49 |         print("Collection view at row \(collectionView.tag) selected index path \(indexPath)")
50 |     }
51 | }
52 | 


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