Update the demo to show the extended data usage as well. YYCache using SQLite for extended data (SDImageCache using xattr)

Author: dreampiggy

Example/SDWebImageYYPlugin/SDViewController.m

@@ -25,10 +25,16 @@ - (void)viewDidLoad
     SDWebImageManager.defaultImageCache = [[YYCache alloc] initWithName:@"YYCache"];
 
     [self.view addSubview:self.imageView];
+    [SDWebImageManager.sharedManager.imageCache clearWithCacheType:SDImageCacheTypeAll completion:nil];
+    SDWebImageManager.sharedManager.cacheSerializer = [SDWebImageCacheSerializer cacheSerializerWithBlock:^NSData * _Nullable(UIImage * _Nonnull image, NSData * _Nullable data, NSURL * _Nullable imageURL) {
+        image.sd_extendedObject = @"Extended Data Here";
+        return data;
+    }];
 
     NSURL *url = [NSURL URLWithString:@"http://apng.onevcat.com/assets/elephant.png"];
     [self.imageView sd_setImageWithURL:url completed:^(UIImage * _Nullable image, NSError * _Nullable error, SDImageCacheType cacheType, NSURL * _Nullable imageURL) {
-        NSLog(@"%@", error);
+        NSString *extentedObject = (NSString *)image.sd_extendedObject;
+        NSLog(@"%@", extentedObject);
     }];
 }
 

SDWebImageYYPlugin/Classes/YYCache/YYCacheBridge/YYDiskCache+SDAdditions.m

@@ -59,12 +59,12 @@ - (void)setData:(NSData *)data forKey:(NSString *)key {
 }
 
 - (NSData *)extendedDataForKey:(NSString *)key {
-    id<NSObject, NSCoding> object =[self objectForKey:key];
+    id<NSObject, NSCoding> object = [self objectForKey:key];
     return [self.class getExtendedDataFromObject:object];
 }
 
 - (void)setExtendedData:(NSData *)extendedData forKey:(NSString *)key {
-    id<NSObject, NSCoding> object =[self objectForKey:key];
+    id<NSObject, NSCoding> object = [self objectForKey:key];
     [self.class setExtendedData:nil toObject:object];
     [self setObject:object forKey:key];
 }