CalStoreIcon Class Reference
| Inherits from | CalStoreObject : NSObject |
|---|---|
| Declared in | CalStoreIcon.h |
Overview
Model object for the Icons being used in the Calendar Store.
To get the
Caching
It’s recommended to use this class' image and fetchImageWithCompletionHandler: methods, instead of doing a network request yourself. The CalStoreIcon class will automatically perform caching and cache validation of the image.
Image
image
The UIImage for this icon. If nil, use fetchImageWithCompletionHandler: to fetch the image asynchronously.
@property (nonatomic, readonly) UIImage *imageDiscussion
Caching is done automatically for this property.
Declared In
CalStoreIcon.h
Fetching the Image
fetchingImage
YES when the image for this icon is currently being fetched.
@property (nonatomic, readonly, getter=isFetchingImage) BOOL fetchingImageDeclared In
CalStoreIcon.h
– fetchImageWithCompletionHandler:
Starts an async fetch operation for the image for this icon. When completed successfully, the image property will return the image. To cancel an ongoing fetch operation, use cancelImageFetch.
- (void)fetchImageWithCompletionHandler:(CalStoreImageCompletionHandler)completionHandlerParameters
completionHandler |
The block to call when the fetch operation finished (either successful or not). Will be called on the main queue. |
|---|
Discussion
Only one fetch operation can be undergoing for the same CalStoreIcon object. Starting another fetch operation while one is in progress will raise an exception.
See Also
Declared In
CalStoreIcon.h
URL Info
url
The URL where the image for this icon is located. This url will be unique for each different version of the same image. E.g., if a pixel in an image changes, the url will be different. Thus, it is possible to cache images based on their url.
@property (nonatomic, readonly) NSURL *urlDeclared In
CalStoreIcon.h