FirebaseImage class

Inheritance

Constructors

FirebaseImage(String location, {bool shouldCache = true, double scale = 1.0, int maxSizeBytes = 2500 * 1000, CacheRefreshStrategy cacheRefreshStrategy = CacheRefreshStrategy.BY_METADATA_DATE, FirebaseApp? firebaseApp})
Fetches, saves and returns an ImageProvider for any image in a readable Firebase Cloud Storeage bucket.

Properties

cacheRefreshStrategy CacheRefreshStrategy
Default: BY_METADATA_DATE. Specifies the strategy in which to check if the cached version should be refreshed (optional)
final
firebaseApp → FirebaseApp?
Default: the default Firebase app. Specifies a custom Firebase app to make the request to the bucket from (optional)
final
hashCode int
The hash code for this object.
no setteroverride
maxSizeBytes int
Default: 2.5MB. The maximum size in bytes to be allocated in the device's memory for the image (optional)
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scale double
Default: 1.0. The scale to display the image at (optional)
final
shouldCache bool
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
getBytes() Future<Uint8List>
Returns the image as bytes
load(FirebaseImage key, dynamic decode) ImageStreamCompleter
loadBuffer(FirebaseImage key, DecoderBufferCallback decode) ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(FirebaseImage key, ImageDecoderCallback decode) ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
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<FirebaseImage>
Converts an ImageProvider's settings plus an ImageConfiguration to a key that describes the precise image to load.
override
preCache() Future<void>
Pre-caches an image
resolve(ImageConfiguration configuration) ImageStream
Resolves this image provider using the given configuration, returning an ImageStream.
inherited
resolveStreamForKey(ImageConfiguration configuration, ImageStream stream, FirebaseImage 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 ==(dynamic other) bool
The equality operator.
override