Kingfisher cache image to disk

Question

for url in status.storedPicURLS! {
            group.enter()
            print("\(status.storedPicURLS)")
            KingfisherManager.shared.downloader.downloadImage(with: url, options: nil, progressBlock: nil, completionHandler: { (image, _, _, _) in
                print(" \(image)")
                group.leave()
            })
        }
    }
    group.notify(queue: .main) {
        finished(list, nil)
    }

I can get the image in the Console, but I can not find them in the Caches.

/Library/Developer/CoreSimulator/Devices/7AF33AA9-220E-4B54-9830-  AA94226C16E8/data/Containers/Data/Application/451F885E-1DFF-4E57-A0D7-B3DEC880DF8F/Library/Caches/

image description here

score 13 · Accepted Answer · answered Oct 18 '16 at 04:45

13

The downloader (ImageDownloader) has nothing to do with cache. If you want to download and cache (as well as retrieve the cached images later), you should use the manager method: KingfisherManager.shared.retrieveImage instead of downloader standalone.

answered Oct 18 '16 at 04:45

onevcat

4,591
1
25
31

Got it ! Thanks for your reply and your library. – duguyihou Oct 18 '16 at 04:57

toast · Answer 2 · 2016-10-18T03:31:16.917

0

See this extract from the documentation:

imageView.kf.setImage(with: url, completionHandler: { 
    (image, error, cacheType, imageUrl) in
    // image: Image? `nil` means failed
    // error: NSError? non-`nil` means failed
    // cacheType: CacheType
    //                  .none - Just downloaded
    //                  .memory - Got from memory cache
    //                  .disk - Got from memory Disk
    // imageUrl: URL of the image
})

https://github.com/onevcat/Kingfisher/wiki/Cheat-Sheet

Check what the result of cacheType is. It might not be stored in a disk cache.

Do this:

        KingfisherManager.shared.downloader.downloadImage(with: url, options: nil, progressBlock: nil, completionHandler: {  (image, error, cacheType, imageUrl) in
            print("\(imageUrl), from cache: \(cacheType)")
            group.leave()
        })

Paste output.

edited Oct 18 '16 at 03:31

answered Oct 17 '16 at 22:22

toast

1,860
2
26
49

Thanks for your replay. – duguyihou Oct 18 '16 at 02:12
`for url in status.storedPicURLS! { group.enter() KingfisherManager.shared.retrieveImage(with: url, options: nil, progressBlock: nil, completionHandler: { (_, _, _, _) in group.leave() }) } } group.notify(queue: .main) { finished(list, nil) } ` – duguyihou Oct 18 '16 at 02:13
Use the function I modified in my answer, then print(cacheType) – toast Oct 18 '16 at 02:31
Optional(http://ww3.sinaimg.cn/thumbnail/c5ff030ejw1f8w502k1pej21bs0jw10y.jpg) Optional(http://ww4.sinaimg.cn/thumbnail/c5ff030ejw1f8w5039j6fj21a408saf5.jpg) Optional(http://ww3.sinaimg.cn/thumbnail/aa1f155cjw1f8vgtyyt9jj20bn00xt8k.jpg) Optional(http://ww2.sinaimg.cn/thumbnail/a841894bgw1f8vtfjc2dyj20zk0qo10s.jpg) Optional(http://ww2.sinaimg.cn/thumbnail/c5ff030ejw1f8v10krrs7j20x40lcadn.jpg) Optional(http://ww2.sinaimg.cn/thumbnail/6e1068adjw1f8v5xnxwmbj20l20cy759.jpg) I got them in console, but still find nothing in Caches. How should I do with cacheType? – duguyihou Oct 18 '16 at 02:50
I updated my answer to print cacheType. Update that section of your code and paste the results. – toast Oct 18 '16 at 03:31
Optional(731 bytes), from cache: Optional(http://ww4.sinaimg.cn/thumbnail/c5ff030ejw1f8w503qp2nj215g02cace.jpg) Optional(714 bytes), from cache: Optional(http://ww3.sinaimg.cn/thumbnail/aa1f155cjw1f8vgtyyt9jj20bn00xt8k.jpg) Optional(1195 bytes), from cache: Optional(http://ww4.sinaimg.cn/thumbnail/c5ff030ejw1f8w5039j6fj21a408saf5.jpg) – duguyihou Oct 18 '16 at 04:03
'/// Completion block of downloader. public typealias ImageDownloaderCompletionHandler = ((Image?, NSError?, URL?, Data?) -> ())' The third paramer in the block is URL?, no CacheType. – duguyihou Oct 18 '16 at 04:07
``` for url in status.storedPicURLS! { group.enter() KingfisherManager.shared.retrieveImage(with: url, options: nil, progressBlock: nil, completionHandler: { (_, _, _, _) in group.leave() }) } } group.notify(queue: .main) { finished(list, nil) } ``` – duguyihou Oct 18 '16 at 07:41

Kingfisher cache image to disk

2 Answers2