相册页面实现如下多选功能
我实现的时候使用了 UITableView
@interface PTASysAlbumVC : BaseViewController<UITableViewDelegate,UITableViewDataSource,PTSysAssetPickerControllerDelegate,PhotoAlbumClickedDelegate>{ .......... UITableView *_cvPhotoList; ....... }
// // PTASysAlbumVC.m // PTAlbum // // Created by LiLiLiu on 15/4/24. // Copyright (c) 2015年 putao.Inc. All rights reserved. // #import "PTASysAlbumVC.h" #import <AssetsLibrary/AssetsLibrary.h> #import "PTASysAssetGroupVC.h" #import "AssetHelper.h" #import "Util.h" #import "NDDateTools.h" #import "UIColor+Help.h" #import "UIImage+Blur.h" #import "JCRBlurView.h" #import "PTAlbumConstants.h" #import "APRoundedButton.h" static NSString *CellWithIdentifier = @"AlbumPhotoCell"; @interface PTASysAlbumVC (){ BOOL isFirstLoading; JCRBlurView *coverView; //right part of cover view when album group shown UIImageView *navBackgroundImage; //导航栏背景图片 UIView *emptyAlbumView; //相册为空时的提醒页面 } @property (strong,nonatomic) UINib *sectionHeaderNib; @property (nonatomic, assign) NSInteger maximumNumberOfSelection; //相册列表中 Section 数目 @end @implementation PTASysAlbumVC - (void)viewDidLoad { [super viewDidLoad]; [self initVariable]; [self.navTitle setText:@"系统相册"]; [self.rightBtn setTitle:@"其他相册" forState:UIControlStateNormal]; [self.rightBtn addTarget:self action:@selector(showRightViewController) forControlEvents:UIControlEventTouchUpInside]; coverBlurImgViewAlpha = 0.1; isFirstLoading = YES; nColumnCount = 3; photoURLArray = [[NSMutableArray alloc]init]; newDateArray = [[NSMutableArray alloc]init]; dataMArr = [[NSMutableDictionary alloc] init]; oldNumber = 0; [self initCollectionView]; //当前页面控件 } - (void)viewWillAppear:(BOOL)animated{ [super viewWillAppear:animated]; [MobClick beginLogPageView:@"系统相册"]; //判断图片相册数据是否更新 [MobClick beginLogPageView:@"AlbumView"]; if (isFirstLoading) { isFirstLoading = NO; } else { [self readAlbumList]; } } - (void)viewWillDisappear:(BOOL)animated{ [super viewWillDisappear:animated]; [MobClick endLogPageView:@"系统相册"]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; [MobClick beginLogPageView:@"PhotoGallaryPage"]; [self performSelectorInBackground:@selector(readAlbumList) withObject:nil]; //这里做相册为空处理 } #pragma mark - 系统相册相关对象初始化 - (void)readAlbumList { [ASSETHELPER getPhotoListOfGroupByIndex:0 result:^(NSArray *aPhotos) { if (![Util isNeedRefresh] && [aPhotos count] == oldNumber) { return ; //不用刷新 } [self handlePhotoArrays:aPhotos]; }]; } #pragma mark - 把相册图片，显示到 CollectionView 的入口 -(void) handlePhotoArrays:(NSArray *)aPhotos { photoURLArray = [[NSMutableArray alloc]init]; oldNumber = [aPhotos count]; [Util setRefreshStatus:FALSE]; NSMutableDictionary *dicImages= [[NSMutableDictionary alloc]init]; if (aPhotos) { for (ALAsset * assetPhotos in aPhotos) { //类型， Location , 时长，方向，日期，格式 ， URL地址 NSDate * nsALAssetPropertyDate = [ assetPhotos valueForProperty:ALAssetPropertyDate ] ; NSString * strDate = [NDDateTools stringFromDateToDay:nsALAssetPropertyDate]; NSMutableArray *arrayGroup = [dicImages objectForKey:strDate]; if (arrayGroup == nil) { arrayGroup = [[NSMutableArray alloc] init]; } [arrayGroup addObject:assetPhotos]; [dicImages setValue:arrayGroup forKey:strDate]; } } dataMArr = dicImages; newDateArray = [[dataMArr allKeys] mutableCopy]; [newDateArray sortUsingComparator:^NSComparisonResult(id obj1, id obj2) { NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy-MM-dd"]; NSDate *date1 = [dateFormatter dateFromString:obj1]; NSDate *date2 = [dateFormatter dateFromString:obj2]; double a = date1.timeIntervalSince1970; double b = date2.timeIntervalSince1970; if (a < b) { return NSOrderedDescending; } else if (a > b) { return NSOrderedAscending; } else { return NSOrderedSame; } }]; for (NSInteger i=0; i<[newDateArray count]; i++) { NSString *strDate =[newDateArray objectAtIndex:i]; NSMutableArray *arrayGroup = [dicImages objectForKey:strDate]; if (photoURLArray) { [photoURLArray addObjectsFromArray:arrayGroup]; } } //相册加载完毕，关闭 滚动加载提示 [self performSelectorOnMainThread:@selector(relayoutContentView) withObject:nil waitUntilDone:NO]; } -(void) relayoutContentView { [self shutdownCurrentLoaderWithView:_cvPhotoList animated:YES]; //相册加载完成，初始化导航栏右侧相册目录视图 //右侧滑出相册列表 picker = [[PTASysAssetGroupVC alloc] init]; picker.view.frame = CGRectMake(0, KTopViewHeigh, Main_Screen_Width*0.7, Main_Screen_Height-KTopViewHeigh); picker.dele= self; picker.assetsFilter = [ALAssetsFilter allPhotos]; picker.showEmptyGroups=NO; _rightVC = picker; _rightSideView = [[UIView alloc] initWithFrame:CGRectMake(self.view.frame.size.width, KTopViewHeigh, picker.view.frame.size.width, self.view.frame.size.height)]; [self.view addSubview:_rightSideView]; [self initChildControllers:_rightVC]; UIPanGestureRecognizer *_panGestureRec = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(moveViewWithGesture:)]; [self.view addGestureRecognizer:_panGestureRec]; // [_cvPhotoList reloadData]; _cvPhotoList.contentOffset = CGPointMake(0, 0); // handle empty data if (oldNumber == 0) { UIFont *titleFont = [UIFont fontWithName:@"Avenir-Light" size:34]; UIFont *infoFont = [UIFont fontWithName:@"Avenir-Light" size:18]; emptyAlbumView = [[UIView alloc]initWithFrame:CGRectMake(0, KTopViewHeigh, Main_Screen_Width, Main_Screen_Height-KTopViewHeigh)]; emptyAlbumView.backgroundColor = [UIColor clearColor]; [self.view addSubview:emptyAlbumView]; UILabel *messageTitle = [[UILabel alloc]initWithFrame:CGRectMake(0, 100, Main_Screen_Width, 50)]; [messageTitle setText:@"您还没有照片"]; [messageTitle setFont:titleFont]; [messageTitle setTextAlignment:NSTextAlignmentCenter]; [messageTitle setTextColor:[UIColor colorWithHexString:@"#B1B1B1"]]; messageTitle.backgroundColor = [UIColor clearColor]; UILabel *messageInfo = [[UILabel alloc]initWithFrame:CGRectMake(0, messageTitle.frame.size.height+messageTitle.frame.origin.y, Main_Screen_Width, 30)]; [messageInfo setText:@"开始使用相机记录您的生活吧"]; [messageInfo setFont:infoFont]; [messageInfo setTextAlignment:NSTextAlignmentCenter]; [messageInfo setTextColor:[UIColor colorWithHexString:@"#747474"]]; messageInfo.backgroundColor = [UIColor clearColor]; CGFloat iconWH = 110; UIImage *cameraIcon = [UIImage imageNamed:@"photo_icon_photo2"]; UIButton * btnCamera = [UIButton buttonWithType:UIButtonTypeCustom]; btnCamera.frame = CGRectMake((Main_Screen_Width-iconWH)/2, messageInfo.frame.origin.y+messageInfo.frame.size.height+30, iconWH, iconWH); [btnCamera setImage:cameraIcon forState:UIControlStateNormal]; btnCamera.backgroundColor = [UIColor clearColor]; [btnCamera addTarget:self action:@selector(openCamera) forControlEvents:UIControlEventTouchUpInside]; [emptyAlbumView addSubview:messageTitle]; [emptyAlbumView addSubview:messageInfo]; [emptyAlbumView addSubview:btnCamera]; }else if(emptyAlbumView){ [emptyAlbumView removeFromSuperview]; } } #pragma mark - for init - (void)initCollectionView { self.automaticallyAdjustsScrollViewInsets = false; _cvPhotoList = [[UITableView alloc] initWithFrame:CGRectMake(0, KTopViewHeigh, Main_Screen_Width, Main_Screen_Height-KTopViewHeigh-kBottomBarHeight)]; [_cvPhotoList setBackgroundColor:KBackgroundColor]; _cvPhotoList.separatorStyle = UITableViewCellSeparatorStyleNone; [_cvPhotoList setDelegate:self]; [_cvPhotoList setDataSource:self]; [self.view addSubview:_cvPhotoList]; [self startCurrentLoaderWithView:_cvPhotoList withTitle:@"相册读取中..." animated:YES]; // 1.添加一个coverImgView,用于点击了右侧相册按钮时, //进行屏幕截图并加上毛玻璃效果,置于最上方作为蒙板 _coverBlurImgView = [[UIImageView alloc]init]; // 4.旋转完成之后,才可以得到真实的frame,暂时隐藏起来,当点击cell的时侯才展示 -5 _coverBlurImgView.frame = CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height); _coverBlurImgView.alpha = coverBlurImgViewAlpha; _coverBlurImgView.hidden = YES; [self.view addSubview:_coverBlurImgView]; [_cvPhotoList bringSubviewToFront:_coverBlurImgView]; } #pragma mark - 代理方法 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return 1; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{ return [dataMArr count]; } -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ NSArray *values = [ dataMArr objectForKey:[newDateArray objectAtIndex:[indexPath section]]]; CGFloat height = 0.0f; //第一个Section 单独处理 NSInteger section = indexPath.section; if (section == 0) { NSInteger count = ([values count]+1)/4; height = (count+1)*HEIGHT_ALBUM_PHOTO+count*6; if (([values count]+1)%4==0) { height-=HEIGHT_ALBUM_PHOTO; } } else { NSInteger count = [values count]/4; height = (count+1)*HEIGHT_ALBUM_PHOTO+count*6; if ([values count]%4==0) { height-=HEIGHT_ALBUM_PHOTO; } } return height+10; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { DoPhotoCollectionViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellWithIdentifier]; if (cell == nil) { cell = [[DoPhotoCollectionViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellWithIdentifier]; } NSArray *values = [dataMArr objectForKey:[newDateArray objectAtIndex:indexPath.section]]; [cell bindWithAssetArray:values withSection:[indexPath section] withRect:cell.frame isSelected:NO withDelegate:self]; //选中某张照片 cell.selectionStyle = UITableViewCellSelectionStyleNone; return cell; } #pragma mark - UICollectionViewDelegates for photos - (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{ UIView *headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, Main_Screen_Width, 50)]; headerView.backgroundColor=[UIColor clearColor]; //替换 UIView *circleView = [[UIView alloc]initWithFrame:CGRectMake(Main_Screen_Width*0.05, 10, 250, 30)]; [circleView setBackgroundColor:[UIColor clearColor]]; [headerView addSubview:circleView]; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy-MM-dd"]; NSDate *date = [dateFormatter dateFromString:[newDateArray objectAtIndex:section]]; NSDate *today = [NSDate date]; NSString *strWeek = [NDDateTools getWeekdayFromNSDate:date]; UIFont *myCustomFont1 = [UIFont fontWithName:@"Avenir-Light" size:22]; UIFont *myCustomFont2 = [UIFont fontWithName:@"Avenir-Light" size:14]; UIFont *myCustomFont3 = [UIFont fontWithName:@"Avenir-Light" size:16]; int compare = [NDDateTools compareOneDay:today withAnotherDay:date]; CGFloat topPadding = 10.0f; if (compare == 0) { UILabel *todayLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, topPadding, 50, 20)]; todayLabel.text= @"今天"; todayLabel.font = myCustomFont1; todayLabel.backgroundColor = [UIColor clearColor]; todayLabel.textAlignment = NSTextAlignmentLeft; todayLabel.textColor=RGBCOLOR(98, 98, 98); [circleView addSubview:todayLabel]; UILabel *dayLabel = [[UILabel alloc] initWithFrame:CGRectMake(todayLabel.frame.size.width, topPadding+5, 80, 20)]; NSString *strDay1 = [dateFormatter stringFromDate:date]; dayLabel.text= strDay1; dayLabel.font = myCustomFont2; dayLabel.backgroundColor = [UIColor clearColor]; dayLabel.textAlignment = NSTextAlignmentCenter; dayLabel.textColor=RGBCOLOR(137, 137, 137); [circleView addSubview:dayLabel]; UILabel *weekDayLabel = [[UILabel alloc] initWithFrame:CGRectMake(todayLabel.frame.size.width+dayLabel.frame.size.width, topPadding+5, 50, 20)]; weekDayLabel.text= [NSString stringWithFormat:@"(%@)",strWeek]; weekDayLabel.font = myCustomFont2; weekDayLabel.backgroundColor = [UIColor clearColor]; weekDayLabel.textColor=RGBCOLOR(137, 137, 137); weekDayLabel.textAlignment = NSTextAlignmentCenter; [circleView addSubview:weekDayLabel]; }else{ UILabel *dayLabel = [[UILabel alloc] initWithFrame:CGRectMake(0,topPadding, 120, 20)]; NSString *strDay = [dateFormatter stringFromDate:date]; dayLabel.text= strDay; dayLabel.font = myCustomFont1; dayLabel.backgroundColor = [UIColor clearColor]; dayLabel.textAlignment = NSTextAlignmentLeft; dayLabel.textColor=RGBCOLOR(98, 98, 98); [circleView addSubview:dayLabel]; UILabel *weekDayLabel = [[UILabel alloc] initWithFrame:CGRectMake(dayLabel.frame.size.width,topPadding, 50, 25)]; weekDayLabel.text= [NSString stringWithFormat:@"(%@)",strWeek]; weekDayLabel.font = myCustomFont3; weekDayLabel.backgroundColor = [UIColor clearColor]; weekDayLabel.textColor=RGBCOLOR(137, 137, 137); weekDayLabel.textAlignment = NSTextAlignmentLeft; [circleView addSubview:weekDayLabel]; } return headerView; } - (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{ return 50.0; } //去掉UItableview headerview黏性(sticky) - (void)scrollViewDidScroll:(UIScrollView *)scrollView { CGFloat sectionHeaderHeight = 50; if (scrollView.contentOffset.y<=sectionHeaderHeight&&scrollView.contentOffset.y>=0) { scrollView.contentInset = UIEdgeInsetsMake(-scrollView.contentOffset.y, 0, 0, 0); } else if (scrollView.contentOffset.y>=sectionHeaderHeight) { scrollView.contentInset = UIEdgeInsetsMake(-sectionHeaderHeight, 0, 0, 0); } } #pragma mark - DoPhotoCollectionViewCell -(void) itemClickedWithIndex:(NSInteger) index withSection:(NSInteger)section{ NSLog(@"------indexSection:%ld ,tagIndex : %ld",(long)section,(long)index); NSInteger allValue = 0; //从0开始，总的图片下标 if (index == 999999999) { //跳转到拍照 [self openCamera]; }else{ for (int i=0; i<[newDateArray count]; i++) { if(section == i){ allValue += index; break; }else if(section > i){ NSString *key = [newDateArray objectAtIndex:i]; NSArray *sectionValues = [dataMArr objectForKey:key]; NSInteger valuesCount = [sectionValues count]; allValue += valuesCount; } } //取出相册中，选中的照片 UIImage *currentImage = [self configItemImageWithIndex:allValue]; } } -(void) openCamera{ /* PTPaiPaiSimpleCameraViewController *cameraVC = [[PTPaiPaiSimpleCameraViewController alloc] init]; cameraVC.simpleCameraDelegate = self; [self.navigationController pushViewController:cameraVC animated:YES]; */ } #pragma mark - 从相册取出指定 index 的相片 - (UIImage*) configItemImageWithIndex:(NSInteger)index{ if (index<0 || index>[photoURLArray count]-1) { return nil; } UIImage *imgFull; //取出相册中指定索引的图片 imgFull= [ASSETHELPER getImageFromAsset:[photoURLArray objectAtIndex:index] type:ASSET_PHOTO_SCREEN_SIZE]; return imgFull; } @end
自定义单元格
@protocol PhotoAlbumClickedDelegate <NSObject> -(void) itemClickedWithIndex:(NSInteger) index withSection:(NSInteger)section; @end @interface DoPhotoCollectionViewCell : UITableViewCell { NSMutableArray *arrPhotos; id<PhotoAlbumClickedDelegate> delegate; NSInteger section0Count; //默认第一个Section 中照片数目 NSArray * albumAllPhotosAsset; //保存相册所有图片的数组 } @property (nonatomic,assign)NSInteger section; //TableView Section Number //初始化整个 tableView Cell -(void) bindWithAssetArray:(NSArray *) arrayAsset withSection:(NSInteger) intSection withRect:(CGRect)rect isSelected:(BOOL)isSeled withDelegate:(id<PhotoAlbumClickedDelegate>)del; @end
// // DoPhotoCollectionViewCell.m // PTAlbum // // Created by LiLiLiu on 15/4/24. // Copyright (c) 2015年 putao.Inc. All rights reserved. // #import "DoPhotoCollectionViewCell.h" #import "ASSETHELPER.h" #import "UIColor+Help.h" #import "PTAlbumConstants.h" #import "UzysAppearanceConfig.h" //复选配置 @implementation DoPhotoCollectionViewCell static UIImage *checkedIcon; //选中的 icon static UIImage *uncheckedIcon; //未选中的 icon static UIColor *selectedColor; //选中缩略图的背景颜色 + (void)initialize { UzysAppearanceConfig *appearanceConfig = [UzysAppearanceConfig sharedConfig]; checkedIcon = [UIImage imageNamed:appearanceConfig.assetSelectedImageName]; uncheckedIcon = [UIImage imageNamed:appearanceConfig.assetDeselectedImageName]; selectedColor = [UIColor colorWithWhite:1 alpha:0.3]; } - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if (self){ arrPhotos = [[NSMutableArray alloc] init]; self.backgroundColor = [UIColor clearColor]; } return self; } #pragma mark - 单击某张图片，调用代理方法 - (void) handleImageTap:(UITapGestureRecognizer *) gestureRecognizer{ //根据选中的 item ，获取当前表格中的 tableCell 以及 section row
// 从 stackoverflow 上面找的方法，获取当前所点击的 view 在 UITableContentView 中的位置
UIView *parentCell = gestureRecognizer.view.superview; while (![parentCell isKindOfClass:[UITableViewCell class]]) { //iOS 7 onwards the table cell hierachy has changed. parentCell = parentCell.superview; } UIView *parentView = parentCell.superview; while (![parentView isKindOfClass:[UITableView class]]) { // iOS 7 onwards the table cell hierachy has changed. parentView = parentView.superview; } UITableView *tableView = (UITableView *)parentView; NSIndexPath *indexPath = [tableView indexPathForCell:(UITableViewCell *)parentCell]; // // 能够获取正确的 section , row 永远为 0 // if (albumAllPhotosAsset) { NSInteger tag = gestureRecognizer.view.tag; //把选中 item 的 section tag 保存在数组中，实现多选 // 修改选择图标 [self updatePhotoItemSelectedIconWithSection:indexPath.section withIndex:tag isSelected:YES]; //调用代理方法处理被选中事件 [delegate itemClickedWithIndex:tag withSection:self.section]; } } -(void) bindWithAssetArray:(NSArray *) arrayAsset withSection:(NSInteger) intSection withRect:(CGRect)rect isSelected:(BOOL)isSeled withDelegate:(id<PhotoAlbumClickedDelegate>)del{ albumAllPhotosAsset = arrayAsset; delegate = del; self.section = intSection; ALAsset * assetPhotos; for (UIImageView *view in arrPhotos) { [view removeFromSuperview]; } [arrPhotos removeAllObjects]; //BOOL isSelected = self.selected; // 增加一个跳转到相机 图标 if (self.section == 0) { section0Count = [arrayAsset count]; for(NSInteger i=0;i<=[arrayAsset count];i++){ UIImageView *selectIcon; //每张图片右下角的多选图标 UIImageView *_ivPhoto; //每次循环创建一个 UIImageView int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO); int originY = HEIGHT_ALBUM_PHOTO*(i/NUM_ROW_PHOTO)+6*(i/NUM_ROW_PHOTO); // //显示的缩略图 // _ivPhoto = [[UIImageView alloc] initWithFrame:CGRectMake(originX, originY,HEIGHT_ALBUM_PHOTO, HEIGHT_ALBUM_PHOTO)]; _ivPhoto.contentMode = UIViewContentModeScaleAspectFill; _ivPhoto.userInteractionEnabled = TRUE; // //缩略图上面显示的 选中图标 // //-------------照片右下角的多选Icon-------------- CGFloat iconWH = HEIGHT_ALBUM_PHOTO*0.5; selectIcon = [[UIImageView alloc]initWithFrame:CGRectMake(HEIGHT_ALBUM_PHOTO-iconWH, HEIGHT_ALBUM_PHOTO-iconWH, iconWH, iconWH)]; if (i<[arrayAsset count]) { assetPhotos = (ALAsset *)[arrayAsset objectAtIndex:i]; UIImage *image = [ASSETHELPER getImageFromAsset:assetPhotos type:ASSET_PHOTO_THUMBNAIL]; _ivPhoto.tag = i; _ivPhoto.image =image; //-------------------添加选择icon------------------------ if (isSeled) { CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, selectedColor.CGColor); CGContextFillRect(context, rect); [selectIcon setImage:[UIImage imageNamed:@"album_button_choose"]]; } else { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose2"]]; } } if (i==[arrayAsset count]) { //创建 UIImage UIImage *camreaIcon = [UIImage imageNamed:@"album_button_photo"]; _ivPhoto.tag = 999999999; //创建 UIImageView _ivPhoto.backgroundColor = [UIColor colorWithHexString:@"#eae7e2"]; _ivPhoto.image = camreaIcon; } [self.contentView addSubview:_ivPhoto]; [_ivPhoto addSubview:selectIcon]; [arrPhotos addObject:_ivPhoto]; UITapGestureRecognizer *smallImageTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleImageTap:)]; [smallImageTap setNumberOfTapsRequired:1]; [_ivPhoto addGestureRecognizer:smallImageTap]; } }else{ for(NSInteger i=0;i<[arrayAsset count];i++){ UIImageView *selectIcon; //每张图片右下角的多选图标 assetPhotos = (ALAsset *)[arrayAsset objectAtIndex:i]; UIImage *image = [ASSETHELPER getImageFromAsset:assetPhotos type:ASSET_PHOTO_THUMBNAIL]; //int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO)+65; int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO); int originY = HEIGHT_ALBUM_PHOTO*(i/NUM_ROW_PHOTO)+6*(i/NUM_ROW_PHOTO); UIImageView *_ivPhoto = [[UIImageView alloc] initWithFrame:CGRectMake(originX, originY,HEIGHT_ALBUM_PHOTO, HEIGHT_ALBUM_PHOTO)]; _ivPhoto.contentMode = UIViewContentModeScaleAspectFill; _ivPhoto.tag = i; _ivPhoto.userInteractionEnabled = TRUE; _ivPhoto.image =image; // //缩略图上面显示的 选中图标 // //-------------照片右下角的多选Icon-------------- CGFloat iconWH = HEIGHT_ALBUM_PHOTO*0.5; selectIcon = [[UIImageView alloc]initWithFrame:CGRectMake(HEIGHT_ALBUM_PHOTO-iconWH, HEIGHT_ALBUM_PHOTO-iconWH, iconWH, iconWH)]; //-------------------添加选择icon------------------------ if (isSeled) { CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, selectedColor.CGColor); CGContextFillRect(context, rect); [selectIcon setImage:[UIImage imageNamed:@"album_button_choose"]]; } else { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose2"]]; } [_ivPhoto addSubview:selectIcon]; [self.contentView addSubview:_ivPhoto]; [arrPhotos addObject:_ivPhoto]; UITapGestureRecognizer *smallImageTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleImageTap:)]; [smallImageTap setNumberOfTapsRequired:1]; [_ivPhoto addGestureRecognizer:smallImageTap]; } } } - (void)drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, [UIColor clearColor].CGColor); CGContextFillRect(context, rect); //下分割线 CGColorRef lineBottomColor = RGBCOLOR(217, 217, 217).CGColor; CGContextSetStrokeColorWithColor(context, lineBottomColor); CGContextStrokeRect(context, CGRectMake(10, rect.size.height, rect.size.width - 20, 2)); } #pragma mark - private Method -(void) updatePhotoItemSelectedIconWithSection:(NSInteger) intSection withIndex:(NSInteger)intIndex isSelected:(BOOL)isSeled{ ALAsset * assetPhotos; for (UIImageView *view in arrPhotos) { [view removeFromSuperview]; } [arrPhotos removeAllObjects]; //BOOL isSelected = self.selected; // 增加一个跳转到相机 图标 if (self.section == 0) { section0Count = [albumAllPhotosAsset count]; for(NSInteger i=0;i<=[albumAllPhotosAsset count];i++){ UIImageView *selectIcon; //每张图片右下角的多选图标 UIImageView *_ivPhoto; //每次循环创建一个 UIImageView int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO); int originY = HEIGHT_ALBUM_PHOTO*(i/NUM_ROW_PHOTO)+6*(i/NUM_ROW_PHOTO); // //显示的缩略图 // _ivPhoto = [[UIImageView alloc] initWithFrame:CGRectMake(originX, originY,HEIGHT_ALBUM_PHOTO, HEIGHT_ALBUM_PHOTO)]; _ivPhoto.contentMode = UIViewContentModeScaleAspectFill; _ivPhoto.userInteractionEnabled = TRUE; // //缩略图上面显示的 选中图标 // //-------------照片右下角的多选Icon-------------- CGFloat iconWH = HEIGHT_ALBUM_PHOTO*0.5; selectIcon = [[UIImageView alloc]initWithFrame:CGRectMake(HEIGHT_ALBUM_PHOTO-iconWH, HEIGHT_ALBUM_PHOTO-iconWH, iconWH, iconWH)]; if (i<[albumAllPhotosAsset count]) { assetPhotos = (ALAsset *)[albumAllPhotosAsset objectAtIndex:i]; UIImage *image = [ASSETHELPER getImageFromAsset:assetPhotos type:ASSET_PHOTO_THUMBNAIL]; _ivPhoto.tag = i; _ivPhoto.image =image; //-------------------添加选择icon------------------------ if (intIndex == i) { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose"]]; } else { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose2"]]; } } if (i==[albumAllPhotosAsset count]) { //创建 UIImage UIImage *camreaIcon = [UIImage imageNamed:@"album_button_photo"]; _ivPhoto.tag = 999999999; //创建 UIImageView _ivPhoto.backgroundColor = [UIColor colorWithHexString:@"#eae7e2"]; _ivPhoto.image = camreaIcon; } [self.contentView addSubview:_ivPhoto]; [_ivPhoto addSubview:selectIcon]; [arrPhotos addObject:_ivPhoto]; UITapGestureRecognizer *smallImageTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleImageTap:)]; [smallImageTap setNumberOfTapsRequired:1]; [_ivPhoto addGestureRecognizer:smallImageTap]; } }else{ for(NSInteger i=0;i<[albumAllPhotosAsset count];i++){ UIImageView *selectIcon; //每张图片右下角的多选图标 assetPhotos = (ALAsset *)[albumAllPhotosAsset objectAtIndex:i]; UIImage *image = [ASSETHELPER getImageFromAsset:assetPhotos type:ASSET_PHOTO_THUMBNAIL]; //int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO)+65; int originX = (i%NUM_ROW_PHOTO)*HEIGHT_ALBUM_PHOTO+6*(i%NUM_ROW_PHOTO); int originY = HEIGHT_ALBUM_PHOTO*(i/NUM_ROW_PHOTO)+6*(i/NUM_ROW_PHOTO); UIImageView *_ivPhoto = [[UIImageView alloc] initWithFrame:CGRectMake(originX, originY,HEIGHT_ALBUM_PHOTO, HEIGHT_ALBUM_PHOTO)]; _ivPhoto.contentMode = UIViewContentModeScaleAspectFill; _ivPhoto.tag = i; _ivPhoto.userInteractionEnabled = TRUE; _ivPhoto.image =image; // //缩略图上面显示的 选中图标 // //-------------照片右下角的多选Icon-------------- CGFloat iconWH = HEIGHT_ALBUM_PHOTO*0.5; selectIcon = [[UIImageView alloc]initWithFrame:CGRectMake(HEIGHT_ALBUM_PHOTO-iconWH, HEIGHT_ALBUM_PHOTO-iconWH, iconWH, iconWH)]; //-------------------添加选择icon------------------------ if (intIndex == i) { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose"]]; } else { [selectIcon setImage:[UIImage imageNamed:@"album_button_choose2"]]; } [_ivPhoto addSubview:selectIcon]; [self.contentView addSubview:_ivPhoto]; [arrPhotos addObject:_ivPhoto]; UITapGestureRecognizer *smallImageTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleImageTap:)]; [smallImageTap setNumberOfTapsRequired:1]; [_ivPhoto addGestureRecognizer:smallImageTap]; } } } @end