在Android 10中，无法直接访问应用程序之外的公共存储的图像文件。因此，必须先将图像文件复制到应用程序内部存储中，然后再使用Picasso加载该图像。同时，为了正确旋转图像，需要使用ExifInterface获取图像的方向，并将其应用于Picasso。以下是解决该问题的代码示例：

String filePath = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues).toString();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
   // Copy the image to the app's internal storage
   ContentResolver resolver = getContext().getContentResolver();
   try (InputStream is = resolver.openInputStream(uri)) {
       FileOutputStream os = getContext().openFileOutput("temp_image", Context.MODE_PRIVATE);
       FileUtils.copy(is, os);
   }

   // Load the image with Picasso and apply the correct rotation
   File file = new File(getContext().getFilesDir(), "temp_image");
   ExifInterface exif = new ExifInterface(file.getPath());
   int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);

   Picasso.get()
           .load(file)
           .rotate(getRotationForImage(orientation))
           .into(imageView);
} else {
   Picasso.get()
           .load(uri)
           .into(imageView);
}

// Helper method to get the correct rotation angle
private static float getRotationForImage(int orientation) {
   float rotate = 0;
   switch (orientation) {
       case ExifInterface.ORIENTATION_ROTATE_270:
           rotate = 270;
           break;
       case ExifInterface.ORIENTATION_ROTATE_180:
           rotate = 180;
           break;
       case ExifInterface.ORIENTATION_ROTATE_90:
           rotate = 90;
           break;
   }
   return rotate;
}