DioImage class

Fetches the given URL from the network, associating it with the given scale.

The image will be cached regardless of cache headers from the server.

See also:

Inheritance
Annotations
  • @immutable

Constructors

DioImage(Uri url, {double scale = 1.0, Map<String, String>? headers, Dio? dio})
Creates an object that fetches the image at the given URL.
DioImage.string(String url, {double scale = 1.0, Map<String, String>? headers, Dio? dio})
Creates an object that fetches the image at the given URL.

Properties

dio → Dio
dio will be the default Dio if not set.
final
hashCode int
The hash code for this object.
no setteroverride
headers Map<String, String>?
The HTTP headers that will be used with HttpClient.get to fetch image from network.
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 Uri
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(DioImage key, DecoderBufferCallback decode) ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(DioImage 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<DioImage>
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, DioImage 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 Properties

defaultDio ↔ Dio
getter/setter pair