├── CollectionViewPagingExample.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   ├── xcshareddata
    │   │   └── IDEWorkspaceChecks.plist
    │   └── xcuserdata
    │   │   └── Jin-TaeWoo.xcuserdatad
    │   │       └── UserInterfaceState.xcuserstate
    └── xcuserdata
    │   └── Jin-TaeWoo.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           └── xcschememanagement.plist
├── CollectionViewPagingExample
    ├── AppDelegate.swift
    ├── Assets.xcassets
    │   ├── AppIcon.appiconset
    │   │   └── Contents.json
    │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── CollectionViewCell.swift
    ├── Info.plist
    ├── Supporting Files
    │   ├── Assets.xcassets
    │   │   ├── AppIcon.appiconset
    │   │   │   └── Contents.json
    │   │   └── Contents.json
    │   ├── Base.lproj
    │   │   ├── LaunchScreen.storyboard
    │   │   └── Main.storyboard
    │   └── Info.plist
    └── ViewController.swift
├── CollectionViewPagingExampleUITests
    ├── CollectionViewPagingExampleUITests.swift
    └── Info.plist
└── README.md


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380 | 				LD_RUNPATH_SEARCH_PATHS = (
381 | 					"$(inherited)",
382 | 					"@executable_path/Frameworks",
383 | 				);
384 | 				PRODUCT_BUNDLE_IDENTIFIER = kr.jin.CollectionViewPagingExample;
385 | 				PRODUCT_NAME = "$(TARGET_NAME)";
386 | 				SWIFT_VERSION = 4.0;
387 | 				TARGETED_DEVICE_FAMILY = "1,2";
388 | 			};
389 | 			name = Debug;
390 | 		};
391 | 		FC95FCAE20FED8BB00E53C5E /* Release */ = {
392 | 			isa = XCBuildConfiguration;
393 | 			buildSettings = {
394 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
395 | 				CODE_SIGN_STYLE = Automatic;
396 | 				DEVELOPMENT_TEAM = 22VQ353X6R;
397 | 				INFOPLIST_FILE = "CollectionViewPagingExample/Supporting Files/Info.plist";
398 | 				LD_RUNPATH_SEARCH_PATHS = (
399 | 					"$(inherited)",
400 | 					"@executable_path/Frameworks",
401 | 				);
402 | 				PRODUCT_BUNDLE_IDENTIFIER = kr.jin.CollectionViewPagingExample;
403 | 				PRODUCT_NAME = "$(TARGET_NAME)";
404 | 				SWIFT_VERSION = 4.0;
405 | 				TARGETED_DEVICE_FAMILY = "1,2";
406 | 			};
407 | 			name = Release;
408 | 		};
409 | 		FC95FCB020FED8BB00E53C5E /* Debug */ = {
410 | 			isa = XCBuildConfiguration;
411 | 			buildSettings = {
412 | 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
413 | 				CODE_SIGN_STYLE = Automatic;
414 | 				DEVELOPMENT_TEAM = 22VQ353X6R;
415 | 				INFOPLIST_FILE = CollectionViewPagingExampleUITests/Info.plist;
416 | 				LD_RUNPATH_SEARCH_PATHS = (
417 | 					"$(inherited)",
418 | 					"@executable_path/Frameworks",
419 | 					"@loader_path/Frameworks",
420 | 				);
421 | 				PRODUCT_BUNDLE_IDENTIFIER = kr.jin.CollectionViewPagingExampleUITests;
422 | 				PRODUCT_NAME = "$(TARGET_NAME)";
423 | 				SWIFT_VERSION = 4.0;
424 | 				TARGETED_DEVICE_FAMILY = "1,2";
425 | 				TEST_TARGET_NAME = CollectionViewPagingExample;
426 | 			};
427 | 			name = Debug;
428 | 		};
429 | 		FC95FCB120FED8BB00E53C5E /* Release */ = {
430 | 			isa = XCBuildConfiguration;
431 | 			buildSettings = {
432 | 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
433 | 				CODE_SIGN_STYLE = Automatic;
434 | 				DEVELOPMENT_TEAM = 22VQ353X6R;
435 | 				INFOPLIST_FILE = CollectionViewPagingExampleUITests/Info.plist;
436 | 				LD_RUNPATH_SEARCH_PATHS = (
437 | 					"$(inherited)",
438 | 					"@executable_path/Frameworks",
439 | 					"@loader_path/Frameworks",
440 | 				);
441 | 				PRODUCT_BUNDLE_IDENTIFIER = kr.jin.CollectionViewPagingExampleUITests;
442 | 				PRODUCT_NAME = "$(TARGET_NAME)";
443 | 				SWIFT_VERSION = 4.0;
444 | 				TARGETED_DEVICE_FAMILY = "1,2";
445 | 				TEST_TARGET_NAME = CollectionViewPagingExample;
446 | 			};
447 | 			name = Release;
448 | 		};
449 | /* End XCBuildConfiguration section */
450 | 
451 | /* Begin XCConfigurationList section */
452 | 		FC95FC8A20FED8B700E53C5E /* Build configuration list for PBXProject "CollectionViewPagingExample" */ = {
453 | 			isa = XCConfigurationList;
454 | 			buildConfigurations = (
455 | 				FC95FCAA20FED8BB00E53C5E /* Debug */,
456 | 				FC95FCAB20FED8BB00E53C5E /* Release */,
457 | 			);
458 | 			defaultConfigurationIsVisible = 0;
459 | 			defaultConfigurationName = Release;
460 | 		};
461 | 		FC95FCAC20FED8BB00E53C5E /* Build configuration list for PBXNativeTarget "CollectionViewPagingExample" */ = {
462 | 			isa = XCConfigurationList;
463 | 			buildConfigurations = (
464 | 				FC95FCAD20FED8BB00E53C5E /* Debug */,
465 | 				FC95FCAE20FED8BB00E53C5E /* Release */,
466 | 			);
467 | 			defaultConfigurationIsVisible = 0;
468 | 			defaultConfigurationName = Release;
469 | 		};
470 | 		FC95FCAF20FED8BB00E53C5E /* Build configuration list for PBXNativeTarget "CollectionViewPagingExampleUITests" */ = {
471 | 			isa = XCConfigurationList;
472 | 			buildConfigurations = (
473 | 				FC95FCB020FED8BB00E53C5E /* Debug */,
474 | 				FC95FCB120FED8BB00E53C5E /* Release */,
475 | 			);
476 | 			defaultConfigurationIsVisible = 0;
477 | 			defaultConfigurationName = Release;
478 | 		};
479 | /* End XCConfigurationList section */
480 | 	};
481 | 	rootObject = FC95FC8720FED8B700E53C5E /* Project object */;
482 | }
483 | 


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/CollectionViewPagingExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:CollectionViewPagingExample.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


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/CollectionViewPagingExample.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
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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 | 


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/CollectionViewPagingExample.xcodeproj/xcuserdata/Jin-TaeWoo.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Bucket
3 |    type = "1"
4 |    version = "2.0">
5 | </Bucket>
6 | 


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/CollectionViewPagingExample.xcodeproj/xcuserdata/Jin-TaeWoo.xcuserdatad/xcschemes/xcschememanagement.plist:
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 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>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>CollectionViewPagingExample.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | </dict>
14 | </plist>
15 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  CollectionViewPagingExample
 4 | //
 5 | //  Created by 진용호 on 2018. 7. 18..
 6 | //  Copyright © 2018년 진용호. 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: [UIApplicationLaunchOptionsKey: 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 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/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 | }


--------------------------------------------------------------------------------
/CollectionViewPagingExample/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "version" : 1,
4 |     "author" : "xcode"
5 |   }
6 | }


--------------------------------------------------------------------------------
/CollectionViewPagingExample/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="13122.16" systemVersion="17A277" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/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="14113" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 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="14088"/>
 9 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
10 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
11 |     </dependencies>
12 |     <scenes>
13 |         <!--View Controller-->
14 |         <scene sceneID="tne-QT-ifu">
15 |             <objects>
16 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="CollectionViewPagingExample" customModuleProvider="target" sceneMemberID="viewController">
17 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
18 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
19 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
20 |                         <subviews>
21 |                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="6Pn-ug-31Q">
22 |                                 <rect key="frame" x="0.0" y="20" width="375" height="647"/>
23 |                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
24 |                                 <collectionViewFlowLayout key="collectionViewLayout" scrollDirection="horizontal" minimumLineSpacing="10" minimumInteritemSpacing="10" id="HrA-iG-uTv">
25 |                                     <size key="itemSize" width="50" height="50"/>
26 |                                     <size key="headerReferenceSize" width="0.0" height="0.0"/>
27 |                                     <size key="footerReferenceSize" width="0.0" height="0.0"/>
28 |                                     <inset key="sectionInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
29 |                                 </collectionViewFlowLayout>
30 |                                 <cells>
31 |                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="collectionViewCell" id="5hF-0A-ZMy" customClass="CollectionViewCell" customModule="CollectionViewPagingExample" customModuleProvider="target">
32 |                                         <rect key="frame" x="0.0" y="0.0" width="50" height="50"/>
33 |                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
34 |                                         <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO">
35 |                                             <rect key="frame" x="0.0" y="0.0" width="50" height="50"/>
36 |                                             <autoresizingMask key="autoresizingMask"/>
37 |                                         </view>
38 |                                     </collectionViewCell>
39 |                                 </cells>
40 |                             </collectionView>
41 |                         </subviews>
42 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
43 |                         <constraints>
44 |                             <constraint firstItem="6Pn-ug-31Q" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="1xJ-Yz-k8B"/>
45 |                             <constraint firstItem="6Pn-ug-31Q" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="BlJ-Fd-8iK"/>
46 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="6Pn-ug-31Q" secondAttribute="bottom" id="a4Z-5X-ncx"/>
47 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="6Pn-ug-31Q" secondAttribute="trailing" id="acg-zG-DzS"/>
48 |                         </constraints>
49 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
50 |                     </view>
51 |                     <connections>
52 |                         <outlet property="collectionView" destination="6Pn-ug-31Q" id="bVv-8L-3ye"/>
53 |                     </connections>
54 |                 </viewController>
55 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
56 |             </objects>
57 |         </scene>
58 |     </scenes>
59 | </document>
60 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/CollectionViewCell.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  CollectionViewCell.swift
 3 | //  CollectionViewPagingExample
 4 | //
 5 | //  Created by 진용호 on 2018. 7. 20..
 6 | //  Copyright © 2018년 진용호. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | class CollectionViewCell: UICollectionViewCell {
12 |     
13 |     override func layoutSubviews() {
14 |         super.layoutSubviews()
15 |         self.layer.cornerRadius = 3.0
16 |         layer.shadowRadius = 10
17 |         layer.shadowOpacity = 0.4
18 |         layer.shadowOffset = CGSize(width: 5, height: 10)
19 |         self.clipsToBounds = false
20 |     }
21 | }
22 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/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>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(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>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UILaunchStoryboardName</key>
24 | 	<string>LaunchScreen</string>
25 | 	<key>UIMainStoryboardFile</key>
26 | 	<string>Main</string>
27 | 	<key>UIRequiredDeviceCapabilities</key>
28 | 	<array>
29 | 		<string>armv7</string>
30 | 	</array>
31 | 	<key>UISupportedInterfaceOrientations</key>
32 | 	<array>
33 | 		<string>UIInterfaceOrientationPortrait</string>
34 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
35 | 		<string>UIInterfaceOrientationLandscapeRight</string>
36 | 	</array>
37 | 	<key>UISupportedInterfaceOrientations~ipad</key>
38 | 	<array>
39 | 		<string>UIInterfaceOrientationPortrait</string>
40 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
41 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
42 | 		<string>UIInterfaceOrientationLandscapeRight</string>
43 | 	</array>
44 | </dict>
45 | </plist>
46 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/Supporting Files/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 | }


--------------------------------------------------------------------------------
/CollectionViewPagingExample/Supporting Files/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "version" : 1,
4 |     "author" : "xcode"
5 |   }
6 | }


--------------------------------------------------------------------------------
/CollectionViewPagingExample/Supporting Files/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="13122.16" systemVersion="17A277" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExample/Supporting Files/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="16097" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <device id="retina4_7" orientation="portrait" appearance="light"/>
 4 |     <dependencies>
 5 |         <deployment identifier="iOS"/>
 6 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
 7 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 8 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 9 |     </dependencies>
10 |     <scenes>
11 |         <!--View Controller-->
12 |         <scene sceneID="tne-QT-ifu">
13 |             <objects>
14 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="CollectionViewPagingExample" customModuleProvider="target" sceneMemberID="viewController">
15 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
16 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
17 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
18 |                         <subviews>
19 |                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="6Pn-ug-31Q">
20 |                                 <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
21 |                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
22 |                                 <collectionViewFlowLayout key="collectionViewLayout" scrollDirection="horizontal" minimumLineSpacing="10" minimumInteritemSpacing="10" id="HrA-iG-uTv">
23 |                                     <size key="itemSize" width="50" height="50"/>
24 |                                     <size key="headerReferenceSize" width="0.0" height="0.0"/>
25 |                                     <size key="footerReferenceSize" width="0.0" height="0.0"/>
26 |                                     <inset key="sectionInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
27 |                                 </collectionViewFlowLayout>
28 |                                 <cells>
29 |                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="collectionViewCell" id="5hF-0A-ZMy" customClass="CollectionViewCell" customModule="CollectionViewPagingExample" customModuleProvider="target">
30 |                                         <rect key="frame" x="0.0" y="0.0" width="50" height="50"/>
31 |                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
32 |                                         <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO">
33 |                                             <rect key="frame" x="0.0" y="0.0" width="50" height="50"/>
34 |                                             <autoresizingMask key="autoresizingMask"/>
35 |                                         </view>
36 |                                     </collectionViewCell>
37 |                                 </cells>
38 |                             </collectionView>
39 |                         </subviews>
40 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
41 |                         <constraints>
42 |                             <constraint firstItem="6Pn-ug-31Q" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="1xJ-Yz-k8B"/>
43 |                             <constraint firstItem="6Pn-ug-31Q" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="BlJ-Fd-8iK"/>
44 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="6Pn-ug-31Q" secondAttribute="bottom" id="a4Z-5X-ncx"/>
45 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="6Pn-ug-31Q" secondAttribute="trailing" id="acg-zG-DzS"/>
46 |                         </constraints>
47 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
48 |                     </view>
49 |                     <connections>
50 |                         <outlet property="collectionView" destination="6Pn-ug-31Q" id="bVv-8L-3ye"/>
51 |                     </connections>
52 |                 </viewController>
53 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
54 |             </objects>
55 |             <point key="canvasLocation" x="138" y="134"/>
56 |         </scene>
57 |     </scenes>
58 | </document>
59 | 


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/CollectionViewPagingExample/Supporting Files/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>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(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>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UILaunchStoryboardName</key>
24 | 	<string>LaunchScreen</string>
25 | 	<key>UIMainStoryboardFile</key>
26 | 	<string>Main</string>
27 | 	<key>UIRequiredDeviceCapabilities</key>
28 | 	<array>
29 | 		<string>armv7</string>
30 | 	</array>
31 | 	<key>UISupportedInterfaceOrientations</key>
32 | 	<array>
33 | 		<string>UIInterfaceOrientationPortrait</string>
34 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
35 | 		<string>UIInterfaceOrientationLandscapeRight</string>
36 | 	</array>
37 | 	<key>UISupportedInterfaceOrientations~ipad</key>
38 | 	<array>
39 | 		<string>UIInterfaceOrientationPortrait</string>
40 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
41 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
42 | 		<string>UIInterfaceOrientationLandscapeRight</string>
43 | 	</array>
44 | </dict>
45 | </plist>
46 | 


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/CollectionViewPagingExample/ViewController.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ViewController.swift
  3 | //  CollectionViewPagingExample
  4 | //
  5 | //  Created by 진용호 on 2018. 7. 18..
  6 | //  Copyright © 2018년 진용호. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | 
 11 | class ViewController: UIViewController {
 12 |     
 13 |     @IBOutlet weak var collectionView: UICollectionView!
 14 |     
 15 |     let itemColors = [UIColor.red, UIColor.yellow, UIColor.blue, UIColor.green]
 16 |     
 17 |     var currentIndex: CGFloat = 0
 18 |     
 19 |     let lineSpacing: CGFloat = 20
 20 |     
 21 |     let cellRatio: CGFloat = 0.7
 22 |     
 23 |     var isOneStepPaging = true
 24 |     
 25 |     
 26 |     override func viewDidLoad() {
 27 |         super.viewDidLoad()
 28 |         
 29 |         // width, height 설정
 30 |         let cellWidth = floor(view.frame.width * cellRatio)
 31 |         let cellHeight = floor(view.frame.height * cellRatio)
 32 |         
 33 |         // 상하, 좌우 inset value 설정
 34 |         let insetX = (view.bounds.width - cellWidth) / 2.0
 35 |         let insetY = (view.bounds.height - cellHeight) / 2.0
 36 |         
 37 |         let layout = collectionView.collectionViewLayout as! UICollectionViewFlowLayout
 38 |         layout.itemSize = CGSize(width: cellWidth, height: cellHeight)
 39 |         layout.minimumLineSpacing = lineSpacing
 40 |         layout.scrollDirection = .horizontal
 41 |         collectionView.contentInset = UIEdgeInsets(top: insetY, left: insetX, bottom: insetY, right: insetX)
 42 |         
 43 |         collectionView.delegate = self
 44 |         collectionView.dataSource = self
 45 |         
 46 |         // 스크롤 시 빠르게 감속 되도록 설정
 47 |         collectionView.decelerationRate = UIScrollViewDecelerationRateFast
 48 |     }
 49 |     
 50 | }
 51 | 
 52 | extension ViewController: UICollectionViewDataSource, UICollectionViewDelegate {
 53 |     func numberOfSections(in collectionView: UICollectionView) -> Int {
 54 |         return 1
 55 |     }
 56 |     
 57 |     func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
 58 |         return itemColors.count
 59 |     }
 60 |     
 61 |     func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
 62 |         let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "collectionViewCell", for: indexPath) as! CollectionViewCell
 63 |         cell.backgroundColor = itemColors[indexPath.row]
 64 |         cell.alpha = 0.5
 65 |         return cell
 66 |     }
 67 |     
 68 | }
 69 | 
 70 | extension ViewController : UIScrollViewDelegate {
 71 |     
 72 |     func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>)
 73 |     {
 74 |         // item의 사이즈와 item 간의 간격 사이즈를 구해서 하나의 item 크기로 설정.
 75 |         let layout = self.collectionView.collectionViewLayout as! UICollectionViewFlowLayout
 76 |         let cellWidthIncludingSpacing = layout.itemSize.width + layout.minimumLineSpacing
 77 |         
 78 |         // targetContentOff을 이용하여 x좌표가 얼마나 이동했는지 확인
 79 |         // 이동한 x좌표 값과 item의 크기를 비교하여 몇 페이징이 될 것인지 값 설정
 80 |         var offset = targetContentOffset.pointee
 81 |         let index = (offset.x + scrollView.contentInset.left) / cellWidthIncludingSpacing
 82 |         var roundedIndex = round(index)
 83 |         
 84 |         // scrollView, targetContentOffset의 좌표 값으로 스크롤 방향을 알 수 있다.
 85 |         // index를 반올림하여 사용하면 item의 절반 사이즈만큼 스크롤을 해야 페이징이 된다.
 86 |         // 스크로로 방향을 체크하여 올림,내림을 사용하면 좀 더 자연스러운 페이징 효과를 낼 수 있다.
 87 |         if scrollView.contentOffset.x > targetContentOffset.pointee.x {
 88 |             roundedIndex = floor(index)
 89 |         } else if scrollView.contentOffset.x < targetContentOffset.pointee.x {
 90 |             roundedIndex = ceil(index)
 91 |         } else {
 92 |             roundedIndex = round(index)
 93 |         }
 94 |         
 95 |         if isOneStepPaging {
 96 |             if currentIndex > roundedIndex {
 97 |                 currentIndex -= 1
 98 |                 roundedIndex = currentIndex
 99 |             } else if currentIndex < roundedIndex {
100 |                 currentIndex += 1
101 |                 roundedIndex = currentIndex
102 |             }
103 |         }
104 |         
105 |         // 위 코드를 통해 페이징 될 좌표값을 targetContentOffset에 대입하면 된다.
106 |         offset = CGPoint(x: roundedIndex * cellWidthIncludingSpacing - scrollView.contentInset.left, y: -scrollView.contentInset.top)
107 |         targetContentOffset.pointee = offset
108 |     }
109 | }
110 | 
111 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExampleUITests/CollectionViewPagingExampleUITests.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  CollectionViewPagingExampleUITests.swift
 3 | //  CollectionViewPagingExampleUITests
 4 | //
 5 | //  Created by 진용호 on 2018. 7. 18..
 6 | //  Copyright © 2018년 진용호. All rights reserved.
 7 | //
 8 | 
 9 | import XCTest
10 | 
11 | class CollectionViewPagingExampleUITests: XCTestCase {
12 |         
13 |     override func setUp() {
14 |         super.setUp()
15 |         
16 |         // Put setup code here. This method is called before the invocation of each test method in the class.
17 |         
18 |         // In UI tests it is usually best to stop immediately when a failure occurs.
19 |         continueAfterFailure = false
20 |         // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method.
21 |         XCUIApplication().launch()
22 | 
23 |         // 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.
24 |     }
25 |     
26 |     override func tearDown() {
27 |         // Put teardown code here. This method is called after the invocation of each test method in the class.
28 |         super.tearDown()
29 |     }
30 |     
31 |     func testExample() {
32 |         // Use recording to get started writing UI tests.
33 |         // Use XCTAssert and related functions to verify your tests produce the correct results.
34 |     }
35 |     
36 | }
37 | 


--------------------------------------------------------------------------------
/CollectionViewPagingExampleUITests/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>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(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>BNDL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | </dict>
22 | </plist>
23 | 


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/README.md:
--------------------------------------------------------------------------------
1 | # CollectionViewPagingExample
2 | 


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