From a2543afe0214b1594028f4cac8d4ed203aecf30c Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Wed, 4 Jul 2018 00:56:46 +0200
Subject: [PATCH] Ignore duplicate weight measurements (1byone)

As reported in #159.
---
 .../openscale/core/bluetooth/BluetoothOneByone.java | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothOneByone.java b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothOneByone.java
index bf85e6c2..55215fae 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothOneByone.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothOneByone.java
@@ -37,6 +37,8 @@ public class BluetoothOneByone extends BluetoothCommunication {
     private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff1-0000-1000-8000-00805f9b34fb"); // write only
     private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
+    private float lastWeight;
+
     public BluetoothOneByone(Context context) {
         super(context);
     }
@@ -50,6 +52,7 @@ public class BluetoothOneByone extends BluetoothCommunication {
     protected boolean nextInitCmd(int stateNr) {
         switch (stateNr) {
             case 0:
+                lastWeight = 0;
                 setIndicationOn(WEIGHT_MEASUREMENT_SERVICE_BODY_COMPOSITION, WEIGHT_MEASUREMENT_CHARACTERISTIC_BODY_COMPOSITION, WEIGHT_MEASUREMENT_CONFIG);
                 break;
             case 1:
@@ -104,10 +107,14 @@ public class BluetoothOneByone extends BluetoothCommunication {
 
         Timber.d("weight: %.2f, impedance: %d", weight, impedance);
 
-        ScaleMeasurement scaleBtData = new ScaleMeasurement();
+        // This check should be a bit more elaborate, but it works for now...
+        if (weight != lastWeight) {
+            lastWeight = weight;
 
-        scaleBtData.setWeight(weight);
+            ScaleMeasurement scaleBtData = new ScaleMeasurement();
+            scaleBtData.setWeight(weight);
 
-        addScaleData(scaleBtData);
+            addScaleData(scaleBtData);
+        }
     }
 }