sdimagecachewithgifdemo's Introduction

SDImageCacheWithGifDemo

A small app shows how to use FLAnimatedImage for animated GIF with SDWebImage .

As SDWebImage discussed here: Drop our GIF support and integrate a 3rd party solution This project modify two little parts of SDWebImage's source code. 1. I disable SDWebImage's gif code. ( just modify UIImage+MultiFormat.m 's line 22-26 )

+ (UIImage *)sd_imageWithData:(NSData *)data {
    UIImage *image;
    /*
    NSString *imageContentType = [NSData sd_contentTypeForImageData:data];
    if ([imageContentType isEqualToString:@"image/gif"]) {
        image = [UIImage sd_animatedGIFWithData:data];
    }*/
    if (0) {
    }
#ifdef SD_WEBP

SDImageCache.h , add this function to public, so I can get the cached NSData

- (NSData *)diskImageDataBySearchingAllPathsForKey:(NSString *)key;

The trick that I used to use FLAnimatedImage to animated gif is like this:

if imgurlstring.hasSuffix(".gif") {
    //we use NSData from the cache
    var data = SDWebImageManager.sharedManager().imageCache.diskImageDataBySearchingAllPathsForKey(imgurlstring)
    var img = FLAnimatedImage(animatedGIFData: data!)
    var imgview = FLAnimatedImageView(frame: CGRectMake(0, 0, self.baseview.frame.width, self.baseview.frame.height))
    imgview.animatedImage = img
    imgview.contentMode = UIViewContentMode.ScaleAspectFit
    self.baseview.addSubview(imgview)
} else {
    var pngview = UIImageView(image: image)
    pngview.frame = CGRectMake(0, 0, self.baseview.frame.width, self.baseview.frame.height)
    pngview.contentMode = UIViewContentMode.ScaleAspectFit
    self.baseview.addSubview(pngview)
}

For more details, just download the project. :]

2015-08-14 updated:

SDWebImage was updated to 3.7.3
Now use SDWebImageDownloader.sharedDownloader().downloadImageWithURL to do the download operation. Use SDWebImageManager.sharedManager().imageCache.storeImage to manually cache the downloaded image data.
Add a clean cache button in storyboard.

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