UDownloadTask class - utilities library

Constructors

UDownloadTask({required String id, required UDownloadRequest request, DateTime? createdAt, UDownloadStatus status = UDownloadStatus.queued})
UDownloadTask.fromJson(Map<String, dynamic> json): Reads it from JSON.
factory

Properties

acceptsRanges ↔ bool: True when the server supports resume.
getter/setter pair
attempts ↔ int: Tries so far.
getter/setter pair
bytes ↔ Uint8List?: The downloaded bytes for UDownloadDestination.memory.
getter/setter pair
canPause → bool: True when pause is possible.
no setter
canResume → bool: True when resume is possible.
no setter
category → UDownloadCategory: Video, audio, document…
no setter
completedAt ↔ DateTime?: When it finished.
getter/setter pair
createdAt → DateTime: When it was added.
final
displayName → String: Name to show in lists.
no setter
done → Future<UDownloadTask>: Completes once the task reaches completed, failed or canceled.
no setter
durable ↔ int Function(int position)?: Maps an in-memory offset to the offset that is safely on disk (vault chunks are only durable once sealed). Set by the engine while the task runs.
getter/setter pair
error ↔ UDownloadError?: Last error.
getter/setter pair
eta → Duration?: Estimated time left.
no setter
etag ↔ String?: Server ETag (for safe resume).
getter/setter pair
fileName ↔ String?: Final file name.
getter/setter pair
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Whether any listeners are currently registered.
no setterinherited
id → String: Download id.
final
isActive → bool: Queued or running.
no setter
isFinished → bool: Completed, failed or canceled.
no setter
isResumable → bool: Resuming continues from the saved offset instead of starting over.
no setter
lastModified ↔ String?: Server Last-Modified (for safe resume).
getter/setter pair
mimeType ↔ String?: MIME type.
getter/setter pair
mirrorIndex ↔ int: Which mirror URL is in use.
getter/setter pair
partPath ↔ String?: Temp file while downloading.
getter/setter pair
progress → double: Progress 0-1 (null when size is unknown).
no setter
received ↔ int: Bytes downloaded.
getter/setter pair
request → UDownloadRequest: What was requested.
final
result ↔ String?: The finished file: a path, a content URI, a storage key, or a browser file name.
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
segments → List<UDownloadSegment>: Parts downloaded in parallel.
final
speed ↔ double: Bytes per second, smoothed.
getter/setter pair
state → UDownloadStatus: Kept for code written against the media download manager.
no setter
status ↔ UDownloadStatus: Current status.
getter/setter pair
system ↔ bool: True while the OS (not this process) owns the transfer.
getter/setter pair
total ↔ int: Total bytes, or -1 while unknown.
getter/setter pair

Methods

addListener(VoidCallback listener) → void: Register a closure to be called when the object changes.
inherited
changed() → void: Internal: marks the task as changed.
complete() → void: Internal: marks the task as completed.
dispose() → void: Discards any resources used by the object.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void: Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toJson() → Map<String, dynamic>: As JSON.
toString() → String: A string representation of this object.
inherited

Operators

operator ==(Object other) → bool: The equality operator.
inherited