copyUrlToLocalStorageWithProgress method
Downloads the file at url to targetName, emitting download progress
as integers from 0 to 100.
Implementation
@override
Stream<int> copyUrlToLocalStorageWithProgress(
String url, String targetName) =>
_progressStream(
'copyUrlToLocalWithProgress',
targetName,
(targetPath) => {'url': url, 'targetPath': targetPath},
);