FirebaseImage class
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