#import "AllUseViewController.h"
#import "AllUseCollectionViewCell.h"
static NSString *headerViewIdentifier = @"hederview";
@interface AllUseViewController ()<UICollectionViewDataSource,UICollectionViewDelegate>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) UIView *headerView;
@end
@implementation AllUseViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.naviTitle = @"全部应用";
self.view.backgroundColor = COLOR_TABLE;
[self configUI];
}
-(void)configUI
{
// 如不需要长按排序效果，将LxGridViewFlowLayout类改成UICollectionViewFlowLayout即可
UICollectionViewFlowLayout * layOut = [[UICollectionViewFlowLayout alloc] init];
layOut.minimumLineSpacing = 0;
layOut.minimumInteritemSpacing = 0;
CGFloat W = (DEVICE_SCREEN_WIDTH - 20 ) / 4;
layOut.itemSize = CGSizeMake(W, 160);
layOut.headerReferenceSize=CGSizeMake(DEVICE_SCREEN_WIDTH - 20, 44); //设置collectionView头视图的大小
//collectionView
_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(10, 0, DEVICE_SCREEN_WIDTH - 20, DEVICE_SCREEN_HEIGHT - DEVICE_NAVIGATION_BAR_HEIGHT - DEVICE_STATUS_BAR_HEIGHT) collectionViewLayout:layOut];
// _collectionView.scrollEnabled = NO;
_collectionView.backgroundColor = [UIColor whiteColor];
_collectionView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0);
_collectionView.dataSource = self;
_collectionView.delegate = self;
_collectionView.showsVerticalScrollIndicator = NO;
_collectionView.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;
//注册cell单元格
[_collectionView registerNib:[UINib nibWithNibName:@"AllUseCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:@"AllUseCollectionViewCell"];
//注册头视图
[_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:headerViewIdentifier];
[self.view addSubview:_collectionView];
}
#pragma mark - CollectionView
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
return 3;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
return 6;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
AllUseCollectionViewCell * cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"AllUseCollectionViewCell" forIndexPath:indexPath];
return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
}
// 返回头视图
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
//如果是头视图
if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
UICollectionReusableView *header=[collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:headerViewIdentifier forIndexPath:indexPath];
//添加头视图的内容
[self addContent];
//头视图添加view
[header addSubview:self.headerView];
return header;
}
//如果底部视图
// if([kind isEqualToString:UICollectionElementKindSectionFooter]){
//
// }
return nil;
}
/*
* 补充头部内容
*/
-(void)addContent
{
UIView *headerView=[[UIView alloc]init];
headerView.backgroundColor = COLOR_TABLE;
headerView.frame=CGRectMake(0, 0, DEVICE_SCREEN_WIDTH - 20, 44);
UIView *yellowView = [[UIView alloc]initWithFrame:CGRectMake(10, (headerView.frame.size.height - 13) / 2, 3, 13)];
yellowView.backgroundColor = COLOR_HEX(0xFF9D2D, 1.0);
[headerView addSubview:yellowView];
UILabel *titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(23, 0, DEVICE_SCREEN_WIDTH - 20 - 33, headerView.frame.size.height)];
titleLabel.font = [UIFont systemFontOfSize:12.0];
titleLabel.text = @"户口办理";
titleLabel.textColor = COLOR_HEX(0x989898, 1.0);
[headerView addSubview:titleLabel];
self.headerView=headerView;
}
@end
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