[英]Remove cache URL with SDWebImage and FirebaseStorageUI
I'm using FirebaseStorageUI
to download images using Firebase in my iOS project. 我正在使用
FirebaseStorageUI
在我的iOS项目中使用FirebaseStorageUI
下载图像。 Everything worked perfect, up to a point where there's no documentation about the issue I have. 一切工作都很完美,直到没有关于我遇到的问题的文档为止。
I usually clear SDWebImage's cache of one specific url using this: 我通常使用以下命令清除一个特定网址的SDWebImage缓存:
SDImageCache.shared().removeImage(forKey: "value", fromDisk: true, withCompletion: nil)
However, with Firebase there are only FIRStorageReference
objects used to retrieve the images, therefore the only method I see to successfully accomplish what I want is to do this: 但是,在Firebase中,只有
FIRStorageReference
对象用于检索图像,因此,我看到要成功完成所需的唯一方法是执行以下操作:
ref.downloadURL { (url, error) in
// code
}
This is quite tedious work, given the fact that I already have a plethora of closures to handle only the interactions with Firebase. 考虑到我已经有很多闭包仅处理与Firebase的交互这一事实,这是非常繁琐的工作。 Is this the single way to clear the cache?
这是清除缓存的唯一方法吗?
I would suggest that you use Kingfisher instead. 我建议您改用翠鸟 。 It comes with an extension to
UIImageView
that simplifies downloading images from urls. 它带有
UIImageView
扩展,可简化从url下载图像。
let url = URL(string: "image_url")
imageView.kf.setImage(with: url)
To manually clear the image cache used by Kingfisher: 手动清除翠鸟使用的图像缓存:
ImageCache.default.clearDiskCache()
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