AdvImageCache class
load images from web and cache it.
- Inheritance
-
- Object
- ImageProvider<
AdvImageCache> - AdvImageCache
Constructors
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
-
header
→ Map<
String, String> ? -
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