第三方下載

• 導(dǎo)入第三方

// 初始化
- (void)setup
{
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"發(fā)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. 創(chuàng)建圖片鏈接數(shù)組
    NSMutableArray *thumbnailImageUrls = [NSMutableArray array];
    // 添加圖片(縮略圖)鏈接
    [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 創(chuàng)建圖片原圖鏈接數(shù)組
    NSMutableArray *originalImageUrls = [NSMutableArray array];
    // 添加圖片(原圖)鏈接
    [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 創(chuàng)建一個(gè)流水布局photosView(默認(rèn)為流水布局)
    PYPhotosView *flowPhotosView = [PYPhotosView photosView];
    // 設(shè)置縮略圖數(shù)組
    flowPhotosView.thumbnailUrls = thumbnailImageUrls;
    // 設(shè)置原圖地址
    flowPhotosView.originalUrls = originalImageUrls;
    flowPhotosView.replaceThumbnailWhenOriginalDownloaded = NO;
    // 設(shè)置分頁(yè)指示類型
    flowPhotosView.pageType = PYPhotosViewPageTypeLabel;
    flowPhotosView.py_centerX = self.view.py_centerX;
    flowPhotosView.py_y = 20 + 64;
    
    // 2.2創(chuàng)建線性布局
    PYPhotosView *linePhotosView = [PYPhotosView photosViewWithThumbnailUrls:thumbnailImageUrls originalUrls:originalImageUrls layoutType:PYPhotosViewLayoutTypeLine];
    // 設(shè)置Frame
    linePhotosView.py_y = CGRectGetMaxY(flowPhotosView.frame) + PYMargin * 2;
//設(shè)置frame
    linePhotosView.py_x = PYMargin;
    linePhotosView.py_width = self.view.py_width - linePhotosView.py_x * 2;
    
    // 3. 添加到指定視圖中
    [self.view addSubview:flowPhotosView];
    [self.view addSubview:linePhotosView];
}

#pragma mark publishDidCicked 
// 點(diǎn)擊發(fā)布時(shí)調(diào)用
- (void)publishDidCicked
{
    PYPublishExampleViewController *publishVc = [[PYPublishExampleViewController alloc] init];
    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:publishVc];
    [self presentViewController:nav animated:YES completion:nil];
}

@interface PYPublishExampleViewController () <PYPhotosViewDelegate>

/** 即將發(fā)布的圖片存儲(chǔ)的photosView */
@property (nonatomic, weak) PYPhotosView *publishPhotosView;

@end

@implementation PYPublishExampleViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // 初始化
    [self setup];
    
    // 1. 常見(jiàn)一個(gè)發(fā)布圖片時(shí)的photosView
    PYPhotosView *publishPhotosView = [PYPhotosView photosView];
    // 2. 添加本地圖片
    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 設(shè)置本地圖片
    publishPhotosView.images = imagesM;
    // 3. 設(shè)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:@"發(fā)送" style:UIBarButtonItemStyleDone target:self action:@selector(send)];
    self.title = @"發(fā)布控制器";
}

// 點(diǎn)擊發(fā)送
- (void)send
{
    NSLog(@"發(fā)送 --- 共有%zd張圖片", self.publishPhotosView.images.count);
}

// 點(diǎn)擊返回
- (void)back
{
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark - PYPhotosViewDelegate
- (void)photosView:(PYPhotosView *)photosView didAddImageClickedWithImages:(NSMutableArray *)images
{
    NSLog(@"點(diǎn)擊了添加圖片按鈕 --- 添加前有%zd張圖片", images.count);
    // 在這里做當(dāng)點(diǎn)擊添加圖片按鈕時(shí)，你想做的事。
    // 這里我利用導(dǎo)入的圖片，模擬從相冊(cè)選圖片或者拍照。(這里默認(rèn)最多導(dǎo)入9張，超過(guò)時(shí)取前九張)
    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];
        }
    }
    // 新增圖片鏈接支持
    [images addObject:[NSString stringWithFormat:@"https://ws1.sinaimg.cn/large/610dc034ly1fjgfyxgwgnj20u00gvgmt.jpg"]];
    // 刷新
    [photosView reloadDataWithImages:images];
    NSLog(@"添加圖片 --- 添加后有%zd張圖片", photosView.images.count);
}

// 進(jìn)入預(yù)覽圖片時(shí)調(diào)用, 可以在此獲得預(yù)覽控制器，實(shí)現(xiàn)對(duì)導(dǎo)航欄的自定義
- (void)photosView:(PYPhotosView *)photosView didPreviewImagesWithPreviewControlelr:(PYPhotosPreviewController *)previewControlelr
{
    NSLog(@"進(jìn)入預(yù)覽圖片");
}