readFileDataAsArrayBuffer function
Reads file
as Uint8List.
Implementation
Future<Uint8List?> readFileDataAsArrayBuffer(File file) async {
final reader = FileReader();
reader.readAsArrayBuffer(file);
await Future.any(
[reader.onLoad.first, reader.onError.first, reader.onAbort.first]);
var fileData = reader.result as Uint8List?;
return fileData;
}