From 47f316983826879d51cbecf5124d828fbb8176ba Mon Sep 17 00:00:00 2001
From: pulipakaa24 <adipu@utexas.edu>
Date: Sat, 10 Jan 2026 22:56:30 -0600
Subject: [PATCH] handle empty data... idk why this is even an issue...

---
 lib/BlindMasterScreens/addingDevices/device_setup.dart | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/BlindMasterScreens/addingDevices/device_setup.dart b/lib/BlindMasterScreens/addingDevices/device_setup.dart
index a2b1895..ec86a2f 100644
--- a/lib/BlindMasterScreens/addingDevices/device_setup.dart
+++ b/lib/BlindMasterScreens/addingDevices/device_setup.dart
@@ -91,12 +91,21 @@ class _DeviceSetupState extends State<DeviceSetup> {
           List<int> rawData = await ssidListChar.read();
 
           try {
+            if (rawData.isEmpty) {
+              throw Exception("No data received from device");
+            }
+            
             final val = utf8.decode(rawData);
+            if (val.trim().isEmpty) {
+              throw Exception("Empty response from device");
+            }
+            
             final decoded = json.decode(val) as List;
             networks = decoded.map((e) => e as Map<String, dynamic>).toList();
           } catch (e) {
             if(!mounted)return;
             ScaffoldMessenger.of(context).showSnackBar(errorSnackbar(e));
+            networks = []; // Set to empty list on error
           }
 
           // Acknowledge completion