DioImageProvider class

A custom ImageProvider that uses Dio to fetch images from a network URL, with support for a fallback asset image if the network image fails to load.

This provider integrates Dio for custom HTTP configurations like interceptors, headers, and advanced error handling.

Inheritance

Constructors

DioImageProvider.new({required Uri imageUrl, required String fallbackAssetPath})
Creates a DioImageProvider with the required imageUrl and fallbackAssetPath.

Properties

dio → Dio
final
fallbackAssetPath → String
The path to the fallback asset image.
final
hashCode → int
The hash code for this object.
no setteroverride
imageUrl → Uri
The URL of the network image.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

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(DioImageProvider key, DecoderBufferCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(DioImageProvider 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<DioImageProvider>
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, DioImageProvider 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