├── .DS_Store
├── ElCVFlowLayout
    ├── .DS_Store
    ├── ElCVFlowLayout.xcodeproj
    │   ├── project.pbxproj
    │   ├── project.xcworkspace
    │   │   ├── contents.xcworkspacedata
    │   │   └── xcuserdata
    │   │   │   └── Liuminglu.xcuserdatad
    │   │   │       └── UserInterfaceState.xcuserstate
    │   └── xcuserdata
    │   │   └── Liuminglu.xcuserdatad
    │   │       ├── xcdebugger
    │   │           └── Breakpoints_v2.xcbkptlist
    │   │       └── xcschemes
    │   │           ├── ElCVFlowLayout.xcscheme
    │   │           └── xcschememanagement.plist
    └── ElCVFlowLayout
    │   ├── AppDelegate.h
    │   ├── AppDelegate.m
    │   ├── Assets.xcassets
    │       └── AppIcon.appiconset
    │       │   └── Contents.json
    │   ├── Base.lproj
    │       ├── LaunchScreen.storyboard
    │       └── Main.storyboard
    │   ├── ELCVFlowLayout.h
    │   ├── ELCVFlowLayout.m
    │   ├── Info.plist
    │   ├── ViewController.h
    │   ├── ViewController.m
    │   └── main.m
└── README.md


/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/elite-kai/ELCVFlowLayout/0c2548dfa01a817e05c308e9c181c86aaac42e2f/.DS_Store


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/ElCVFlowLayout/.DS_Store:
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https://raw.githubusercontent.com/elite-kai/ELCVFlowLayout/0c2548dfa01a817e05c308e9c181c86aaac42e2f/ElCVFlowLayout/.DS_Store


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59 |             BuildableName = "ElCVFlowLayout.app"
60 |             BlueprintName = "ElCVFlowLayout"
61 |             ReferencedContainer = "container:ElCVFlowLayout.xcodeproj">
62 |          </BuildableReference>
63 |       </BuildableProductRunnable>
64 |       <AdditionalOptions>
65 |       </AdditionalOptions>
66 |    </LaunchAction>
67 |    <ProfileAction
68 |       buildConfiguration = "Release"
69 |       shouldUseLaunchSchemeArgsEnv = "YES"
70 |       savedToolIdentifier = ""
71 |       useCustomWorkingDirectory = "NO"
72 |       debugDocumentVersioning = "YES">
73 |       <BuildableProductRunnable
74 |          runnableDebuggingMode = "0">
75 |          <BuildableReference
76 |             BuildableIdentifier = "primary"
77 |             BlueprintIdentifier = "0B8854681F020E6E0010822D"
78 |             BuildableName = "ElCVFlowLayout.app"
79 |             BlueprintName = "ElCVFlowLayout"
80 |             ReferencedContainer = "container:ElCVFlowLayout.xcodeproj">
81 |          </BuildableReference>
82 |       </BuildableProductRunnable>
83 |    </ProfileAction>
84 |    <AnalyzeAction
85 |       buildConfiguration = "Debug">
86 |    </AnalyzeAction>
87 |    <ArchiveAction
88 |       buildConfiguration = "Release"
89 |       revealArchiveInOrganizer = "YES">
90 |    </ArchiveAction>
91 | </Scheme>
92 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout.xcodeproj/xcuserdata/Liuminglu.xcuserdatad/xcschemes/xcschememanagement.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>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>ElCVFlowLayout.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>0B8854681F020E6E0010822D</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 	</dict>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  ElCVFlowLayout
 4 | //
 5 | //  Created by Parkin on 2017/6/27.
 6 | //  Copyright © 2017年 Parkin. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  ElCVFlowLayout
 4 | //
 5 | //  Created by Parkin on 2017/6/27.
 6 | //  Copyright © 2017年 Parkin. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | 
13 | @end
14 | 
15 | @implementation AppDelegate
16 | 
17 | 
18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
19 |     // Override point for customization after application launch.
20 |     return YES;
21 | }
22 | 
23 | 
24 | - (void)applicationWillResignActive:(UIApplication *)application {
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 invalidate graphics rendering callbacks. Games should use this method to pause the game.
27 | }
28 | 
29 | 
30 | - (void)applicationDidEnterBackground:(UIApplication *)application {
31 |     // 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.
32 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
33 | }
34 | 
35 | 
36 | - (void)applicationWillEnterForeground:(UIApplication *)application {
37 |     // 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.
38 | }
39 | 
40 | 
41 | - (void)applicationDidBecomeActive:(UIApplication *)application {
42 |     // 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.
43 | }
44 | 
45 | 
46 | - (void)applicationWillTerminate:(UIApplication *)application {
47 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
48 | }
49 | 
50 | 
51 | @end
52 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/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 | }


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/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="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
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 |                     </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 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
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 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/ELCVFlowLayout.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ELCVFlowLayout.h
 3 | //  ElCVFlowLayout
 4 | //
 5 | //  Created by Parkin on 2017/6/27.
 6 | //  Copyright © 2017年 Parkin. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ELCVFlowLayout : UICollectionViewFlowLayout
12 | 
13 | 
14 | 
15 | 
16 | @end
17 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/ELCVFlowLayout.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ELCVFlowLayout.m
  3 | //  ElCVFlowLayout
  4 | //
  5 | //  Created by Parkin on 2017/6/27.
  6 | //  Copyright © 2017年 Parkin. All rights reserved.
  7 | //
  8 | 
  9 | #import "ELCVFlowLayout.h"
 10 | 
 11 | @interface ELCVFlowLayout ()
 12 | 
 13 | @property (nonatomic, copy) NSMutableDictionary *sectionDic;
 14 | @property (strong, nonatomic) NSMutableArray *allAttributes;
 15 | 
 16 | @end
 17 | 
 18 | @implementation ELCVFlowLayout
 19 | 
 20 | 
 21 | - (instancetype)init
 22 | {
 23 |     self = [super init];
 24 |     if (self) {
 25 |         self.scrollDirection = UICollectionViewScrollDirectionHorizontal;
 26 |     }
 27 |     return self;
 28 | }
 29 | 
 30 | 
 31 | - (void)prepareLayout
 32 | {
 33 |     [super prepareLayout];
 34 |     
 35 |     _sectionDic = [NSMutableDictionary dictionary];
 36 |     self.allAttributes = [NSMutableArray array];
 37 |     //获取section的数量
 38 |     NSUInteger section = [self.collectionView numberOfSections];
 39 |     
 40 |     for (int sec = 0; sec < section; sec++) {
 41 |         //获取每个section的cell个数
 42 |         NSUInteger count = [self.collectionView numberOfItemsInSection:sec];
 43 |         
 44 |         for (NSUInteger item = 0; item<count; item++) {
 45 |             NSIndexPath *indexPath = [NSIndexPath indexPathForItem:item inSection:sec];
 46 |             //重新排列
 47 |             UICollectionViewLayoutAttributes *attributes = [self layoutAttributesForItemAtIndexPath:indexPath];
 48 |             [self.allAttributes addObject:attributes];
 49 | 
 50 |         }
 51 |     }
 52 | 
 53 | }
 54 | 
 55 | - (CGSize)collectionViewContentSize
 56 | {
 57 | 
 58 |     //每个section的页码的总数
 59 |     NSInteger actualLo = 0;
 60 |     for (NSString *key in [_sectionDic allKeys]) {
 61 |         actualLo += [_sectionDic[key] integerValue];
 62 |     }
 63 |     
 64 |     
 65 |     return CGSizeMake(actualLo*self.collectionView.frame.size.width, self.collectionView.contentSize.height);
 66 | }
 67 | 
 68 | - (void)applyLayoutAttributes:(UICollectionViewLayoutAttributes *)attributes
 69 | {
 70 |     
 71 |     if(attributes.representedElementKind != nil)
 72 |     {
 73 |         return;
 74 |     }
 75 |     
 76 |     /*修改by lixinkai 2017.6.30
 77 |     下面这两个方法 itemW、itemH
 78 |      解决了同一个UICollectionView使用不同UICollectionViewCell的问题
 79 |      */
 80 |     //attributes 的宽度
 81 |     CGFloat itemW = attributes.frame.size.width;
 82 |     //attributes 的高度
 83 |     CGFloat itemH = attributes.frame.size.height;
 84 |     
 85 |     //collectionView 的宽度
 86 |     CGFloat width = self.collectionView.frame.size.width;
 87 |     //collectionView 的高度
 88 |     CGFloat height = self.collectionView.frame.size.height;
 89 |     //每个attributes的下标值 从0开始
 90 |     NSInteger itemIndex = attributes.indexPath.item;
 91 |     
 92 |     CGFloat stride = (self.scrollDirection == UICollectionViewScrollDirectionHorizontal) ? width : height;
 93 |     
 94 |     
 95 |     //获取现在的attributes是第几组
 96 |     NSInteger section = attributes.indexPath.section;
 97 |     //获取每个section的item的个数
 98 |     NSInteger itemCount = [self.collectionView numberOfItemsInSection:section];
 99 | 
100 |     
101 |     CGFloat offset = section * stride;
102 |     
103 |     //计算x方向item个数
104 |     NSInteger xCount = (width / itemW);
105 |     //计算y方向item个数
106 |     NSInteger yCount = (height / itemH);
107 |     //计算一页总个数
108 |     NSInteger allCount = (xCount * yCount);
109 |     //获取每个section的页数，从0开始
110 |     NSInteger page = itemIndex / allCount;
111 |     
112 |     //余数，用来计算item的x的偏移量
113 |     NSInteger remain = (itemIndex % xCount);
114 |     
115 |     //取商，用来计算item的y的偏移量
116 |     NSInteger merchant = (itemIndex-page*allCount)/xCount;
117 | 
118 | 
119 |     //x方向每个item的偏移量
120 |     CGFloat xCellOffset = remain * itemW;
121 |     //y方向每个item的偏移量
122 |     CGFloat yCellOffset = merchant * itemH;
123 |     
124 |     //获取每个section中item占了几页
125 |     NSInteger pageRe = (itemCount % allCount == 0)? (itemCount / allCount) : (itemCount / allCount) + 1;
126 |     //将每个section与pageRe对应，计算下面的位置
127 |     [_sectionDic setValue:@(pageRe) forKey:[NSString stringWithFormat:@"%ld", section]];
128 |     
129 |     if(self.scrollDirection == UICollectionViewScrollDirectionHorizontal) {
130 |         
131 |         NSInteger actualLo = 0;
132 |         //将每个section中的页数相加
133 |         for (NSString *key in [_sectionDic allKeys]) {
134 |             actualLo += [_sectionDic[key] integerValue];
135 |         }
136 |         //获取到的最后的数减去最后一组的页码数
137 |         actualLo -= [_sectionDic[[NSString stringWithFormat:@"%ld", [_sectionDic allKeys].count-1]] integerValue];
138 |         xCellOffset += page*width + actualLo*width;
139 | 
140 |     } else {
141 |         
142 |         yCellOffset += offset;
143 |     }
144 |    
145 |     attributes.frame = CGRectMake(xCellOffset, yCellOffset, itemW, itemH);
146 | }
147 | 
148 | - (UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath
149 | {
150 |     
151 | //    UICollectionViewLayoutAttributes *attr = [UICollectionViewLayoutAttributes  layoutAttributesForCellWithIndexPath:indexPath];
152 |    UICollectionViewLayoutAttributes *attr = [super layoutAttributesForItemAtIndexPath:indexPath].copy;
153 |     
154 |     [self applyLayoutAttributes:attr];
155 |     return attr;
156 | }
157 | 
158 | - (NSArray<UICollectionViewLayoutAttributes *> *)layoutAttributesForElementsInRect:(CGRect)rect
159 | {
160 |     return self.allAttributes;
161 | }
162 | 
163 | @end
164 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/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>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 | </dict>
38 | </plist>
39 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  ElCVFlowLayout
 4 | //
 5 | //  Created by Parkin on 2017/6/27.
 6 | //  Copyright © 2017年 Parkin. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/ViewController.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ViewController.m
  3 | //  ElCVFlowLayout
  4 | //
  5 | //  Created by Parkin on 2017/6/27.
  6 | //  Copyright © 2017年 Parkin. All rights reserved.
  7 | //
  8 | 
  9 | #import "ViewController.h"
 10 | #import "ELCVFlowLayout.h"
 11 | 
 12 | #define kScreenHeight [[UIScreen mainScreen] bounds].size.height
 13 | #define kScreenWidth  [[UIScreen mainScreen] bounds].size.width
 14 | 
 15 | @interface ViewController ()<UICollectionViewDelegate, UICollectionViewDataSource>
 16 | 
 17 | //数据源数组
 18 | @property (nonatomic, strong) NSMutableArray* dateArray;
 19 | 
 20 | //日历视图
 21 | @property (nonatomic, strong) UICollectionView* collectionView;
 22 | 
 23 | @end
 24 | 
 25 | @implementation ViewController
 26 | 
 27 | - (void)viewDidLoad {
 28 |     [super viewDidLoad];
 29 |     // Do any additional setup after loading the view, typically from a nib.
 30 |     _dateArray = [@[@1, @2, @3, @4, @5, @6, @7, @8, @9, @10, @11, @12, @13] mutableCopy];
 31 |     //横向滚动
 32 |     ELCVFlowLayout *horizontalLayout = [[ELCVFlowLayout alloc] init];
 33 | 
 34 |     horizontalLayout.itemSize = CGSizeMake(kScreenWidth/3.0, kScreenWidth/4.0);
 35 | 
 36 |     _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 100, self.view.frame.size.width, kScreenWidth) collectionViewLayout:horizontalLayout];
 37 |     _collectionView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0);
 38 |     _collectionView.pagingEnabled = YES;
 39 |     _collectionView.dataSource = self;
 40 |     _collectionView.delegate = self;
 41 |     _collectionView.showsVerticalScrollIndicator = NO;
 42 |     _collectionView.showsHorizontalScrollIndicator = NO;
 43 |     _collectionView.bounces = NO;
 44 |     _collectionView.pagingEnabled = YES;
 45 |     _collectionView.backgroundColor = [UIColor blueColor];
 46 |     
 47 |     [_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cell"];
 48 |     [self.view addSubview:_collectionView];
 49 | }
 50 | 
 51 | #pragma mark 数据源方法
 52 | - (NSInteger)numberOfSectionsInCollectionView:(UICollectionView*)collectionView
 53 | {
 54 |     return 4;
 55 | }
 56 | 
 57 | - (NSInteger)collectionView:(UICollectionView*)collectionView numberOfItemsInSection:(NSInteger)section
 58 | {
 59 |     if (section == 0) {
 60 |         return 9;
 61 |     }
 62 |     else if (section == 1) {
 63 |         return 17;
 64 |     }
 65 |     else if (section == 2) {
 66 |         return 25;
 67 |     }
 68 |     return 1;
 69 |     
 70 | }
 71 | 
 72 | - (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView cellForItemAtIndexPath:(NSIndexPath*)indexPath
 73 | {
 74 |     UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
 75 |     
 76 |     cell.backgroundColor = [UIColor redColor];
 77 |     UILabel *label = [[UILabel alloc] initWithFrame:cell.bounds];
 78 |     label.backgroundColor = [UIColor redColor];
 79 |     label.textAlignment = NSTextAlignmentCenter;
 80 |     label.font = [UIFont systemFontOfSize:15];
 81 |     label.text = [NSString stringWithFormat:@"%ld", indexPath.row];
 82 |     label.textColor = [UIColor blueColor];
 83 |     label.numberOfLines = 0;
 84 |     [cell.contentView addSubview:label];
 85 |     
 86 |     return cell;
 87 | }
 88 | 
 89 | - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
 90 | {
 91 |     NSLog(@"section %ld  row --- %ld",indexPath.section, indexPath.row);
 92 | }
 93 | 
 94 | - (void)didReceiveMemoryWarning {
 95 |     [super didReceiveMemoryWarning];
 96 |     // Dispose of any resources that can be recreated.
 97 | }
 98 | 
 99 | 
100 | @end
101 | 


--------------------------------------------------------------------------------
/ElCVFlowLayout/ElCVFlowLayout/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  ElCVFlowLayout
 4 | //
 5 | //  Created by Parkin on 2017/6/27.
 6 | //  Copyright © 2017年 Parkin. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # ELCVFlowLayout
2 | 实现了UICollectionView横向滑动和UICollectionViewCell的横向排列 只需要将ELCVFlowLayout文件拖入项目，将UICollectionViewFlowLayout替换为ELCVFlowLayout即可 我的博客地址http://www.jianshu.com/u/e50ecd81ad38
3 | 


--------------------------------------------------------------------------------