ImageManager

public class ImageManager

Handle image download and cache stuff.

  • How soon the image cache will be expired.

    Declaration

    Swift

    public var maxCacheAge = NSTimeInterval.infinity

  • Path of image cache.

    Declaration

    Swift

    public static var cachePath: String

  • Singleton access.

    Declaration

    Swift

    public class func sharedManager() -> ImageManager

    Return Value

    Instance of ImageManager

  • Write image to cache.

    Declaration

    Swift

    public func write(key: String, image: UIImage?, done: ((Bool) -> Void)? = nil)

    Parameters

    key

    Key.
    image

    Value.
    done

    Callback.

  • Fetch image from cache asynchronously.

    Declaration

    Swift

    public func fetch(key: String, queryPolicy: CacheQueryPolicy = .Normal, done: (UIImage?) -> Void)

    Parameters

    key

    Key.
    queryPolicy

    Query policy, see CacheQueryPolicy.
    done

    Callback when done in main thread.

  • Download image by url.

    Declaration

    Swift

    public func downloadImage(url: String, progress: ((Int64, Int64) -> Void)? = nil, done: (UIImage?, NSError?) -> Void) -> NSOperation

    Parameters

    url

    Image url.
    progress

    Report downloading progress.
    done

    Callback when done in main thread.

  • Batch download images.

    Declaration

    Swift

    public func downloadImages(urls: [String], done: ([UIImage?]) -> Void)

    Parameters

    urls

    Array of url.
    done

    Compeletion handler in main thread.

  • Download image but first look up in cache.

    Declaration

    Swift

    public func downloadImageRespectCache(url: String, done: (UIImage?, NSError?) -> Void)

    Parameters

    url

    Key.
    done

    Callback when done in main thread.

  • Cancel downoading operations.

    Declaration

    Swift

    public func cancelAllOperations()

  • Clear memory cache.

    Declaration

    Swift

    public func purgeMemory()

  • Clear disk cache.

    Declaration

    Swift

    public func cleanDisk()

  • Clear memory and disk cache.

    Declaration

    Swift

    public func clearCache()