Mutual conversion of pictures in fluent uint8list format and pictures in file format

file Format picture into Uint8List Format picture

Uint8List imageByte;
imageByte = await widget.image.readAsBytes();

  // Get the callback Uint8List Format picture to File Format 
  SaveImage(Uint8List imageByte) async {
    
   // Get the temporary directory 
    var tempDir = await getTemporaryDirectory();
    // Generate file File format 
    var file =
        await File('${
    tempDir.path}/image_${
    DateTime.now().millisecond}.jpg')
            .create();
            // Turn into file file 
    file.writeAsBytesSync(imageByte);
    print("${file.path}");
    setState(() {
    
      path = file.path;
      // turn(file);
      _imageUint8=imageByte;
    });
  }