网格
#import "ViewController.h"
#import "myCollectionViewCell.h"
<UICollectionViewDelegate,UICollectionViewDataSource>
{
UIPageControl *thePage;
UICollectionView *theCollect;
}
[super viewDidLoad];
//设置流布局对象；
UICollectionViewFlowLayout *theFlow=[[UICollectionViewFlowLayout alloc]init];
//设置网格的大小；
theFlow.itemSize=CGSizeMake(80, 90);
//设置最小行间距和最小列间距；
theFlow.minimumInteritemSpacing=20 ;
theFlow.minimumLineSpacing=20;
//设置滚动的方向、
theFlow.scrollDirection=UICollectionViewScrollDirectionHorizontal;
//设置页边距；
theFlow.sectionInset=UIEdgeInsetsMake(10, 20, 10, 20);
//设置网格对象；
theCollect=[[UICollectionView alloc]initWithFrame:self.view.frame collectionViewLayout:theFlow];
//设置代理；
theCollect.delegate=self;
theCollect.dataSource=self;
//设置为翻整页；
theCollect.pagingEnabled=YES;
//设置背景颜色；
theCollect.backgroundColor=[UIColor lightTextColor];
//添加到视图上；
[self.view addSubview:theCollect];
//注册单元格；
[theCollect registerClass:[myCollectionViewCell class] forCellWithReuseIdentifier:@"mycell"];
//添加页面控制器；
thePage=[[UIPageControl alloc]initWithFrame:CGRectMake(90, 500, 120, 200)];
//设置页面控制器的数目；
thePage.numberOfPages=3;
//设置颜色；
thePage.currentPageIndicatorTintColor=[UIColor redColor];
[self.view addSubview:thePage];
}
//设置网格的分区；
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return 50;
}
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
myCollectionViewCell *cell=[collectionView dequeueReusableCellWithReuseIdentifier:@"mycell" forIndexPath:indexPath] ;
//设置单元格的内容；
cell.theImage.image=[UIImage imageNamed:@"17.jpg"];
cell.theLabel.text=@"信息";
return cell;
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
thePage.currentPage=theCollect.contentOffset.x/self.view.frame.size.width;
}
创建myCollectionViewCell继承UICollectionViewCell
.h
@property(nonatomic,strong)UIImageView *theImage;
@property(nonatomic,strong)UILabel *theLabel;
.m
//重写单元格；
- (UIImageView *)theImage
{
if (_theImage==nil)
{
_theImage=[[UIImageView alloc]initWithFrame:CGRectMake(10, 10, 50, 50)];
[self addSubview:_theImage];
}
return _theImage;
}
//重写单元格；
- (UILabel *)theLabel
{
if (_theLabel==nil)
{
_theLabel=[[UILabel alloc]initWithFrame:CGRectMake(10, 60, 50, 20)];
[self addSubview:_theLabel];
}
return _theLabel;
}
