From 71f7cae682e9594660730730b78bc832e71917de Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Thu, 31 May 2018 21:18:05 +0200
Subject: [PATCH] Ignore the first measurement that only contains weight

As reported in #282
---
 .../health/openscale/core/bluetooth/BluetoothExingtechY1.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExingtechY1.java b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExingtechY1.java
index 78035e80..ebd71faf 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExingtechY1.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExingtechY1.java
@@ -84,7 +84,9 @@ public class BluetoothExingtechY1 extends BluetoothCommunication {
     public void onBluetoothDataChange(BluetoothGatt bluetoothGatt, BluetoothGattCharacteristic gattCharacteristic) {
         final byte[] data = gattCharacteristic.getValue();
 
-        if (data != null && data.length == 20) {
+        // The first notification only includes weight and all other fields are
+        // either 0x00 (user info) or 0xff (fat, water, etc.)
+        if (data != null && data.length == 20 && data[6] != 0xff) {
             parseBytes(data);
         }
     }