NetworkImageWithRetry class
Fetches the image from the given URL, associating it with the given scale.
If fetchStrategy is specified, uses it instead of the defaultFetchStrategy to obtain instructions for fetching the URL.
The image will be cached regardless of cache headers from the server.
- Inheritance
-
- Object
- ImageProvider<
NetworkImageWithRetry> - NetworkImageWithRetry
- Annotations
Constructors
-
NetworkImageWithRetry(String url, {double scale = 1.0, FetchStrategy fetchStrategy = defaultFetchStrategy, Map<
String, Object> ? headers}) -
Creates an object that fetches the image at the given url.
const
Properties
- fetchStrategy → FetchStrategy
-
The strategy used to fetch the url and retry when the fetch fails.
final
- hashCode → int
-
The hash code for this object.
no setteroverride
-
headers
→ Map<
String, Object> ? -
HTTP Headers applied to the request.
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
-
The URL from which the image will be fetched.
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
-
loadBuffer(
NetworkImageWithRetry key, DecoderBufferCallback decode) → ImageStreamCompleter -
Converts a key into an ImageStreamCompleter, and begins fetching the
image.
inherited
-
loadImage(
NetworkImageWithRetry 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< NetworkImageWithRetry> -
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, NetworkImageWithRetry key, ImageErrorListener handleError) → void -
Called by resolve with the key returned by obtainKey.
inherited
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override
Static Methods
-
defaultFetchStrategy(
Uri uri, FetchFailure? failure) → Future< FetchInstructions> - The FetchStrategy that NetworkImageWithRetry uses by default.