From e32dc8b48e6e799be1b2f2c5372380a6576fad24 Mon Sep 17 00:00:00 2001
From: Marc Nause <marc.nause@audioattack.de>
Date: Sat, 29 Jan 2022 23:49:51 +0100
Subject: [PATCH] Bangle.js: Prevent exception in case UART RX line is empty

This seems to fix the "no incoming call notification"-issue, see https://github.com/espruino/BangleApps/issues/976
---
 .../service/devices/banglejs/BangleJSDeviceSupport.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
index a4b5fd38b..e7811fa5f 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
@@ -155,7 +155,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
 
         if (">Uncaught ReferenceError: \"GB\" is not defined".equals(line))
           GB.toast(getContext(), "Gadgetbridge plugin not installed on Bangle.js", Toast.LENGTH_LONG, GB.ERROR);
-        else if (line.charAt(0)=='{') {
+        else if (line.length() > 0 && line.charAt(0)=='{') {
             // JSON - we hope!
             try {
                 JSONObject json = new JSONObject(line);