HMCImageCache

Component Libraries

HMCThreadSafeMutableCollection provides thread safe array and dictionary
HMCDownloadManager provides APIs for downloading image from URL

Requirements

• iOS 8.0+
• Xcode 8.3+

Features

• Caching image on disk
• Caching image on memory
• Balancing I/O read write and memory usage
• Auto adjusting memory usage based on avaiable memory (5% of available mem in background, 80% of available mem in foreground)
• Release memory by LRU algorithm
• Auto remove unsued cache files on disk after 30 days
• Get image from url with target size
• Set UIImageView with image from URL
• Set UIButton with image from URL

Installation

HMCImageCache is available through CocoaPods. To install
it, simply add the following line to your Podfile:

pod 'HMCImageCache'

Usage

Singleton object

To get image caching instance:

HMCImageCache *imageCache = [HMCImageCache sharedInstance];

To store image to cache

UIImage *image = ...;
NSString *identifier = ...;
[imageCache storeImage:image withKey:identifier];

To get origin image from cache

image = [imageCache imageFromKey:identifier storeToMem:YES];  // storeToMem: do you want image store to memory

To get image with target size

CGSize size = CGSizeMake(300,400); // Image with size 300px x 400 px
image = [imageCache imageFromKey:identifier withSize:size];

To get image from URL

[imageCache imageFromURL:url
          withTargetSize:CGSizeMake(300,400)
              completion:^(UIImage *image){
                  // do something with image
              }
           callbackQueue:dispatch_get_main_queue()];

To set image to UIImageView from URL

NSURL *url;
UIImageView *imageView;
[imageView HMCSetImageFromURL:url forState: UIControlStateNormal];

To set image to UIButton from URL

NSURL *url;
UIButton *button;
[button HMCSetImageFromURL:url forState: UIControlStateNormal];

To remove an image from cache

[imageCache removeImageForKey:identifier];

To remove all images from cache

[imageCache removeAllCache];

Author

chuonghuynh, minhchuong.itus@gmail.com

License

HMCImageCache is available under the MIT license. See the LICENSE file for more info.