From 8be4e150d7baba9d9db47389c7f6604b2558df19 Mon Sep 17 00:00:00 2001
From: Victor Carreras <34163765+vicajilau@users.noreply.github.com>
Date: Tue, 11 Feb 2025 13:25:44 +0100
Subject: [PATCH] throws exception when bytes are null

---
 lib/src/file_picker_io.dart | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/src/file_picker_io.dart b/lib/src/file_picker_io.dart
index 33e058b3..ff830897 100644
--- a/lib/src/file_picker_io.dart
+++ b/lib/src/file_picker_io.dart
@@ -146,12 +146,17 @@ class FilePickerIO extends FilePicker {
       Uint8List? bytes,
       bool lockParentWindow = false}) {
     if (Platform.isIOS || Platform.isAndroid) {
+      if (bytes == null) {
+        throw ArgumentError(
+            'Bytes are required on Android & iOS when saving a file.');
+      }
+
       return _channel.invokeMethod("save", {
         "fileName": fileName,
         "fileType": type.name,
         "initialDirectory": initialDirectory,
         "allowedExtensions": allowedExtensions,
-        "bytes": bytes ?? Uint8List(0),
+        "bytes": bytes,
       });
     }
     return super.saveFile(