ImageDownloader class
Provide the function to save the image on the Internet to each devices.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
callback(
{required dynamic onProgressUpdate(String?, int)}) → void -
You can get the progress with
onProgressUpdate. On iOS, cannot get imageId. -
cancel(
) → Future< void> - cancel a single Downloading.
-
downloadImage(
String url, {String? outputMimeType, Map< String, String> ? headers, AndroidDestinationType? destination}) → Future<String?> -
Save the image of the specified
urlon each devices. -
findByteSize(
String imageId) → Future< int?> - Acquire the saved image byte size.
-
findMimeType(
String imageId) → Future< String?> - Acquire the saved image mimeType.
-
findName(
String imageId) → Future< String?> - Acquire the saved image name.
-
findPath(
String imageId) → Future< String?> - Acquire the saved image path.
-
open(
String localPath) → Future< void>