From 1b9f09542671ceea532265aecf31797328c4dca2 Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Thu, 5 Jul 2018 22:49:16 +0200
Subject: [PATCH] Strip trailing space in hexdump

---
 .../openscale/core/bluetooth/BluetoothCommunication.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
index bbc9a742..774fe77a 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
@@ -371,12 +371,16 @@ public abstract class BluetoothCommunication {
             return "";
         }
 
+        if (data.length == 0) {
+            return "";
+        }
+
         final StringBuilder stringBuilder = new StringBuilder(3 * data.length);
         for (byte byteChar : data) {
             stringBuilder.append(String.format("%02X ", byteChar));
         }
 
-        return stringBuilder.toString();
+        return stringBuilder.substring(0, stringBuilder.length() - 1);
     }
 
     protected byte xorChecksum(byte[] data, int offset, int length) {