SDWebImage动画加载图片

 

效果

 

源码

////  PictureCell.m//  SDWebImageLoadImageAnimation////  Created by YouXianMing on 15/4/30.//  Copyright (c) 2015年 YouXianMing. All rights reserved.//#import "PictureCell.h"#import "UIImageView+WebCache.h"#import "PictureModel.h"#import "UIView+AnimationProperty.h"@interface PictureCell ()@property (nonatomic, strong) UIImageView *iconImageView;@end@implementation PictureCell- (void)setupCell {    self.selectionStyle = UITableViewCellSelectionStyleNone;}- (void)buildSubview {    self.iconImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];    [self addSubview:self.iconImageView];}- (void)loadContent {    // 图片模型    PictureModel *model = self.data;        // 进行图片下载    SDWebImageManager *manager = [SDWebImageManager sharedManager];        // 加载图片(动画逻辑)    [manager downloadImageWithURL:model.pictureUrl options:0 progress:nil                        completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {                                                        if (image) {                                                                // 如果没有执行过动画                                if (model.haveAnimated.boolValue == NO) {                                                                        // 将动画设置成已经执行了                                    model.haveAnimated = @(YES);                                                                        self.iconImageView.alpha = 0.f;                                    self.iconImageView.image = image;                                    self.iconImageView.scale = 2.f;                                                                        // 执行动画                                    [UIView animateWithDuration:0.5f animations:^{                                                                                self.iconImageView.alpha = 1.f;                                        self.iconImageView.scale = 1.f;                                    }];                                                                    } else {                                                                        // 直接设置                                    self.iconImageView.image = image;                                    self.iconImageView.scale = 1.f;                                }                            }                        }];}@end

 

细节