iOSPYPhotos的使用

第三方下载

• 导入第三方

// 初始化
- (void)setup
{
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"发布" style:UIBarButtonItemStyleDone target:self action:@selector(publishDidCicked)];
    self.title = @"示例控制器";
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // 初始化
    [self setup];
    
    // 1. 创建图片链接数组
    NSMutableArray *thumbnailImageUrls = [NSMutableArray array];
    // 添加图片(缩略图)链接
    [thumbnailImageUrls addObject:@"http://ww3.sinaimg.cn/thumbnail/006ka0Iygw1f6bqm7zukpj30g60kzdi2.jpg"];
    [thumbnailImageUrls addObject:@"http://ww1.sinaimg.cn/thumbnail/61b69811gw1f6bqb1bfd2j20b4095dfy.jpg"];
    [thumbnailImageUrls addObject:@"http://ww1.sinaimg.cn/thumbnail/54477ddfgw1f6bqkbanqoj20ku0rsn4d.jpg"];
    [thumbnailImageUrls addObject:@"http://ww4.sinaimg.cn/thumbnail/006ka0Iygw1f6b8gpwr2tj30bc0bqmyz.jpg"];
    [thumbnailImageUrls addObject:@"http://ww2.sinaimg.cn/thumbnail/9c2b5f31jw1f6bqtinmpyj20dw0ae76e.jpg"];
    [thumbnailImageUrls addObject:@"http://ww1.sinaimg.cn/thumbnail/536e7093jw1f6bqdj3lpjj20va134ana.jpg"];
    [thumbnailImageUrls addObject:@"http://ww1.sinaimg.cn/thumbnail/75b1a75fjw1f6bqn35ij6j20ck0g8jtf.jpg"];
    [thumbnailImageUrls addObject:@"http://ww4.sinaimg.cn/bmiddle/406ef017jw1ec40av2nscj20ip4p0b29.jpg"];
    [thumbnailImageUrls addObject:@"http://ww1.sinaimg.cn/thumbnail/86afb21egw1f6bq3lq0itj20gg0c2myt.jpg"];
    
    // 1.2 创建图片原图链接数组
    NSMutableArray *originalImageUrls = [NSMutableArray array];
    // 添加图片(原图)链接
    [originalImageUrls addObject:@"http://ww3.sinaimg.cn/large/006ka0Iygw1f6bqm7zukpj30g60kzdi2.jpg"];
    [originalImageUrls addObject:@"http://ww1.sinaimg.cn/large/61b69811gw1f6bqb1bfd2j20b4095dfy.jpg"];
    [originalImageUrls addObject:@"http://ww1.sinaimg.cn/large/54477ddfgw1f6bqkbanqoj20ku0rsn4d.jpg"];
    [originalImageUrls addObject:@"http://ww4.sinaimg.cn/large/006ka0Iygw1f6b8gpwr2tj30bc0bqmyz.jpg"];
    [originalImageUrls addObject:@"http://ww2.sinaimg.cn/large/9c2b5f31jw1f6bqtinmpyj20dw0ae76e.jpg"];
    [originalImageUrls addObject:@"http://ww1.sinaimg.cn/large/536e7093jw1f6bqdj3lpjj20va134ana.jpg"];
    [originalImageUrls addObject:@"http://ww1.sinaimg.cn/large/75b1a75fjw1f6bqn35ij6j20ck0g8jtf.jpg"];
    [originalImageUrls addObject:@"http://ww4.sinaimg.cn/bmiddle/406ef017jw1ec40av2nscj20ip4p0b29.jpg"];
    [originalImageUrls addObject:@"http://ww1.sinaimg.cn/large/86afb21egw1f6bq3lq0itj20gg0c2myt.jpg"];
    
    // 2.1 创建一个流水布局photosView(默认为流水布局)
    PYPhotosView *flowPhotosView = [PYPhotosView photosView];
    // 设置缩略图数组
    flowPhotosView.thumbnailUrls = thumbnailImageUrls;
    // 设置原图地址
    flowPhotosView.originalUrls = originalImageUrls;
    flowPhotosView.replaceThumbnailWhenOriginalDownloaded = NO;
    // 设置分页指示类型
    flowPhotosView.pageType = PYPhotosViewPageTypeLabel;
    flowPhotosView.py_centerX = self.view.py_centerX;
    flowPhotosView.py_y = 20 + 64;
    
    // 2.2创建线性布局
    PYPhotosView *linePhotosView = [PYPhotosView photosViewWithThumbnailUrls:thumbnailImageUrls originalUrls:originalImageUrls layoutType:PYPhotosViewLayoutTypeLine];
    // 设置Frame
    linePhotosView.py_y = CGRectGetMaxY(flowPhotosView.frame) + PYMargin * 2;
//设置frame
    linePhotosView.py_x = PYMargin;
    linePhotosView.py_width = self.view.py_width - linePhotosView.py_x * 2;
    
    // 3. 添加到指定视图中
    [self.view addSubview:flowPhotosView];
    [self.view addSubview:linePhotosView];
}

#pragma mark publishDidCicked 
// 点击发布时调用
- (void)publishDidCicked
{
    PYPublishExampleViewController *publishVc = [[PYPublishExampleViewController alloc] init];
    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:publishVc];
    [self presentViewController:nav animated:YES completion:nil];
}

@interface PYPublishExampleViewController () 

/** 即将发布的图片存储的photosView */
@property (nonatomic, weak) PYPhotosView *publishPhotosView;

@end

@implementation PYPublishExampleViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // 初始化
    [self setup];
    
    // 1. 常见一个发布图片时的photosView
    PYPhotosView *publishPhotosView = [PYPhotosView photosView];
    // 2. 添加本地图片
    NSMutableArray *imagesM = [NSMutableArray array];
    for (int i = 0; i < arc4random_uniform(4) + 1; i++) {
        UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%02d", i + 1]];
        if (image) {
            [imagesM addObject:image];
        }
    }
    publishPhotosView.py_x = PYMargin * 5;
    publishPhotosView.py_y = PYMargin * 2 + 64;
    // 2.1 设置本地图片
    publishPhotosView.images = imagesM;
    // 3. 设置代理
    publishPhotosView.delegate = self;
    
    // 4. 添加photosView
    [self.view addSubview:publishPhotosView];
    self.publishPhotosView = publishPhotosView;
}

// 初始化
- (void)setup
{
    self.view.backgroundColor = [UIColor whiteColor];
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:UIBarButtonItemStyleDone target:self action:@selector(back)];
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"发送" style:UIBarButtonItemStyleDone target:self action:@selector(send)];
    self.title = @"发布控制器";
}

// 点击发送
- (void)send
{
    NSLog(@"发送 --- 共有%zd张图片", self.publishPhotosView.images.count);
}

// 点击返回
- (void)back
{
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark - PYPhotosViewDelegate
- (void)photosView:(PYPhotosView *)photosView didAddImageClickedWithImages:(NSMutableArray *)images
{
    NSLog(@"点击了添加图片按钮 --- 添加前有%zd张图片", images.count);
    // 在这里做当点击添加图片按钮时，你想做的事。
    // 这里我利用导入的图片，模拟从相册选图片或者拍照。(这里默认最多导入9张，超过时取前九张)
    for (int i = 0; i < arc4random_uniform(6) + 1; i++) {
        UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%02d", arc4random_uniform(9) + 1]];
        if (image) {
            [images addObject:image];
        }
    }
    // 新增图片链接支持
    [images addObject:[NSString stringWithFormat:@"https://ws1.sinaimg.cn/large/610dc034ly1fjgfyxgwgnj20u00gvgmt.jpg"]];
    // 刷新
    [photosView reloadDataWithImages:images];
    NSLog(@"添加图片 --- 添加后有%zd张图片", photosView.images.count);
}

// 进入预览图片时调用, 可以在此获得预览控制器，实现对导航栏的自定义
- (void)photosView:(PYPhotosView *)photosView didPreviewImagesWithPreviewControlelr:(PYPhotosPreviewController *)previewControlelr
{
    NSLog(@"进入预览图片");
}