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