AdvImageCache class

load images from web and cache it.

Inheritance

Constructors

AdvImageCache(String url, {Map<String, String>? header, double scale = 1.0, int downloadRetry = 2, bool useMemCache = true, String diskCacheDirName = "AdvImageCache", Duration diskCacheExpire = const Duration(days: 7), String? fallbackAssetImage, bool allowUserCert = false})

Properties

allowUserCert bool
allow user signed cert for tesing
final
diskCacheDirName String
/ name for cache dir
final
diskCacheExpire Duration
disk cache expire
final
downloadRetry int
Retry if download fails.
final
fallbackAssetImage String?
fail image
final
hashCode int
The hash code for this object.
no setterinherited
http header
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scale double
The scale to place in the ImageInfo object of the image.
final
url String
getter/setter pair
useMemCache bool
Enable or disable image caching.
final

Methods

createStream(ImageConfiguration configuration) ImageStream
Called by resolve to create the ImageStream it returns.
inherited
evict({ImageCache? cache, ImageConfiguration configuration = ImageConfiguration.empty}) Future<bool>
Evicts an entry from the image cache.
inherited
getPlatformVersion() Future<String?>
loadBuffer(AdvImageCache key, DecoderBufferCallback decode) ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(AdvImageCache key, ImageDecoderCallback decode) ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
obtainCacheStatus({required ImageConfiguration configuration, ImageErrorListener? handleError}) Future<ImageCacheStatus?>
Returns the cache location for the key that this ImageProvider creates.
inherited
obtainKey(ImageConfiguration configuration) Future<AdvImageCache>
Converts an ImageProvider's settings plus an ImageConfiguration to a key that describes the precise image to load.
override
resolve(ImageConfiguration configuration) ImageStream
Resolves this image provider using the given configuration, returning an ImageStream.
inherited
resolveStreamForKey(ImageConfiguration configuration, ImageStream stream, AdvImageCache key, ImageErrorListener handleError) → void
Called by resolve with the key returned by obtainKey.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited