save static method
Implementation
static save({
required String base64_string,
required String file_name,
}) async {
Uint8List bytes = base64.decode(base64_string);
final directory = await getTemporaryDirectory();
String file_path = directory.path + "/" + file_name;
print("filePath: $file_path");
final file = File(file_path);
await file.writeAsBytes(bytes);
Share.shareFiles([file_path]);
}