Hybrid memory and disk cache for UIImages.
- Caches UIImage instances in a NSCache
- Saves UIImage representations on disk as JPGs and PNGs
- Performs disk writes in a background queue
// configure
[[THHybridCache sharedCache] setMemoryCacheSize:100];
[[THHybridCache sharedCache] setTimeout:(24 * 60 * 60)];
[[THHybridCache sharedCache] setJpgQuality:0.8];
// cache an image (in memory and/or on disk, as PNG or JPG)
UIImage* img = [UIImage imageNamed:@"test"];
NSString* imgKey = @"testImgKey";
[[THHybridCache sharedCache] cacheImage:img forKey:imgKey inMemory:YES onDisk:YES hasTransparency:YES];
// query the cache
if ([[THHybridCache sharedCache] hasCacheForKey:imgKey onlyInMemory:YES])
NSLog(@"image is cached in memory");
if ([[THHybridCache sharedCache] hasCacheForKey:imgKey onlyInMemory:NO])
NSLog(@"image is cached in memory or disk");
// access cached images
UIImage* imgFromMemoryCache = [[THHybridCache sharedCache] imageForKey:imgKey onlyFromMemory:YES];
UIImage* imgFromMemoryOrDiskCache = [[THHybridCache sharedCache] imageForKey:imgKey onlyFromMemory:NO];
// remove from cache
[[THHybridCache sharedCache] removeCacheForKey:imgKey];
// clean the cache (enforces the timeout)
[[THHybridCache sharedCache] cleanCache];
// clear the cache
[[THHybridCache sharedCache] clearCache];
// Override point for customization after application launch.
[[THHybridCache sharedCache] cleanCache];
###As a Git Submodule
git submodule add git://github.com/antiraum/THHybridCache.git <local path>
git submodule update
###Via CocoaPods
Add this line to your Podfile:
pod 'THHybridCache', '~> 1.0.0'
THHybridCache requires iOS 6.0 and above.
THHybridCache uses ARC. If you are using THHybridCache in your non-ARC project, you need to set the -fobjc-arc compiler flag for the THHybridCache.m source file.
Made available under the MIT License.
If you have any feature requests or bugfixes feel free to help out and send a pull request, or create a new issue.