createFileFromBase64 method
Implementation
Future<File> createFileFromBase64(String base64Str) async {
final Uint8List bytes = const Base64Decoder().convert(base64Str);
final tempDir = await getTemporaryDirectory();
final targetPath = "${tempDir.absolute.path}/temp_${DateTime.now().microsecondsSinceEpoch}_base64.jpg";
File file = File(targetPath);
file = await file.writeAsBytes(bytes);
return file;
}