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UI3_UICollectionViewMuti
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// AppDelegate.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "AppDelegate.h"
#import "ViewController.h"@interface AppDelegate ()@end@implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
ViewController *root = [[ViewController alloc] init];
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:root];
self.window.rootViewController = nav;
self.window.backgroundColor = [UIColor whiteColor]; return YES;
}
// ViewController.h
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import <UIKit/UIKit.h>@interface ViewController : UIViewController@end//
// ViewController.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "ViewController.h"
#import "DataModel.h"
#import "HeaderCollectionReusableView.h"
#import "FooterCollectionReusableView.h"
#import "DataCollectionViewCell.h"#define kCellReuseID @"cellId"#define kHeaderReuseID @"headerId"
#define kFooterReuseId @"footerId"//UICollectionViewDelegateFlowLayout 遵守 UICollectionViewDelegate
@interface ViewController () <UICollectionViewDelegateFlowLayout,UICollectionViewDataSource>
{
UICollectionView *_collectionView;
NSMutableArray *_dataList;
}@end@implementation ViewController- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//创建数据源
[self createDatadList];
//创建UI
[self createUI];
//代理
}- (void)createDatadList
{
_dataList = [NSMutableArray array];
for (int i=0; i<4; i++) {
NSMutableArray *array = [NSMutableArray array];
for (int j=0; j<5; j++) {
NSString *name = [NSString stringWithFormat:@"picture%d",i*5+j];
NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"png"];
DataModel *model = [[DataModel alloc] init];
model.title = [NSString stringWithFormat:@"图片%d",i*5+j];
model.image = [UIImage imageWithContentsOfFile:path];
[array addObject:model];
}
[_dataList addObject:array];
}
}- (void)createUI
{
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
_collectionView = [[UICollectionView alloc] initWithFrame:self.view.frame collectionViewLayout:layout];
_collectionView.backgroundColor = [UIColor whiteColor]; //注册cell [_collectionView registerClass:[DataCollectionViewCell class] forCellWithReuseIdentifier:kCellReuseID];
//注册headerView footerView
//注册headerView
//UICollectionElementKindSectionHeader headerView 类型
[_collectionView registerClass:[HeaderCollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:kHeaderReuseID];
//注册footerView
[_collectionView registerClass:[FooterCollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:kFooterReuseId]; //设置代理
_collectionView.delegate = self;
_collectionView.dataSource = self;
[self.view addSubview:_collectionView];
}#pragma mark ---UICollectionViewDataSource---//返回分区的个数
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return _dataList.count;
}//返回cell的个数- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return [_dataList[section] count];
}//返回cell- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
DataCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:kCellReuseID forIndexPath:indexPath];
DataModel *model = [[_dataList objectAtIndex:indexPath.section] objectAtIndex:indexPath.item];
[cell config:model];
return cell;
}#pragma mark ---UICollectionViewDelegateFlowLayout---
//返回cell的大小
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return CGSizeMake(150, 120);
}//返回上下左右边距
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
return UIEdgeInsetsMake(10, 5, 10, 5);
}//返回竖向的间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section
{
return 20;
}
//返回横向的间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section
{
return 5;
}//获取headerView footerView- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
//headerView
if (kind == UICollectionElementKindSectionHeader)
{
HeaderCollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:kHeaderReuseID forIndexPath:indexPath];
headerView.titleLabel.text = [NSString stringWithFormat:@"第%ld分区", indexPath.section];
headerView.titleLabel.textAlignment = NSTextAlignmentCenter;
headerView.imageView.image = [UIImage imageNamed:@"headerImage.png"];
headerView.backgroundColor = [UIColor yellowColor];
return headerView;
}//footerView
else if(kind == UICollectionElementKindSectionFooter)
{
FooterCollectionReusableView *footerView = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:kFooterReuseId forIndexPath:indexPath];
footerView.imageView.image = [UIImage imageNamed:@"footerImage@2x"];
return footerView;
}
return nil;
}//返回headerView大小
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
return CGSizeMake(375, 44);
}//返回footerView的大小
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
{
return CGSizeMake(375, 44);
}- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}@end
// HeaderUICollectionReusableView.h
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import <UIKit/UIKit.h>@interface HeaderCollectionReusableView : UICollectionReusableView
//{
// UILabel *_titleLabel;
// UIImageView *_imageView;
//}@property (nonatomic, retain)UILabel *titleLabel;
@property (nonatomic, retain)UIImageView *imageView;@end//
// HeaderUICollectionReusableView.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "HeaderCollectionReusableView.h"@implementation HeaderCollectionReusableView//重写HeaderCell
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
_titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 44)];
_imageView = [[UIImageView alloc] initWithFrame:CGRectMake(300, 0, 44, 44)];
[self addSubview:_titleLabel];
[self addSubview:_imageView];
}
return self;
}@end
// FooterCollectionReusableView.h
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import <UIKit/UIKit.h>@interface FooterCollectionReusableView : UICollectionReusableView
//{
// UIImageView *_imageView;
//}@property (nonatomic, retain)UIImageView *imageView;@end// FooterCollectionReusableView.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "FooterCollectionReusableView.h"@implementation FooterCollectionReusableView//重写FooterCell
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
_imageView = [[UIImageView alloc] initWithFrame:CGRectMake(00, 0, 375, 44)];
[self addSubview:_imageView];
}
return self;
}@end
// DataCollectionViewCell.h
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import <UIKit/UIKit.h>
#import "DataModel.h"@interface DataCollectionViewCell : UICollectionViewCell
{
UILabel *_titleLabel;
UIImageView *_imageView;
}//显示模型数据
- (void)config:(DataModel *)model;@end//
// DataCollectionViewCell.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "DataCollectionViewCell.h"@implementation DataCollectionViewCell- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
_titleLabel = [[UILabel alloc] init];
_imageView = [[UIImageView alloc] init];
[self addSubview:_imageView];
[_imageView addSubview:_titleLabel];
}
return self;
}//显示数据
- (void)config:(DataModel *)model
{
_titleLabel.frame = CGRectMake(0, 0, 150, 30);
_imageView.frame = CGRectMake(0, 0, 150, 100);
_titleLabel.textAlignment = NSTextAlignmentCenter;
_titleLabel.backgroundColor = [UIColor grayColor];
_titleLabel.alpha = 0.5;
_titleLabel.textColor = [UIColor greenColor];
_titleLabel.text = model.title;
_imageView.image = model.image;
}@end
// DataModel.h
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>@interface DataModel : NSObject@property (nonatomic,copy) NSString *title;
@property (nonatomic,strong) UIImage *image;@end// DataModel.m
// UI3_UICollectionViewMuti
//
// Created by zhangxueming on 15/7/16.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
//#import "DataModel.h"@implementation DataModel@end
