diff --git a/app/release/app-release-2.6.2.apk b/app/release/app-release-2.6.2.apk
new file mode 100644
index 0000000..fda9dc2
Binary files /dev/null and b/app/release/app-release-2.6.2.apk differ
diff --git a/app/release/output.json b/app/release/output.json
index fbcd3e3..c075aee 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":43,"versionName":"2.6.1","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":44,"versionName":"2.6.2","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e625bed..1c3a727 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="uk.org.openseizuredetector"
-    android:versionCode="43"
-    android:versionName="2.6.1"
+    android:versionCode="44"
+    android:versionName="2.6.2"
     android:allowBackup="false"
     >
 
@@ -16,8 +16,9 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
-    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 
     <uses-feature
         android:name="android.hardware.telephony"
diff --git a/app/src/main/java/uk/org/openseizuredetector/SdData.java b/app/src/main/java/uk/org/openseizuredetector/SdData.java
index 3849c53..d8a3cbb 100644
--- a/app/src/main/java/uk/org/openseizuredetector/SdData.java
+++ b/app/src/main/java/uk/org/openseizuredetector/SdData.java
@@ -40,6 +40,7 @@ import org.json.JSONArray;
 
 public class SdData implements Parcelable {
     private final static String TAG = "SdData";
+    private final static int N_RAW_DATA = 500;  // 5 seconds at 100 Hz.
     /* Analysis settings */
     public boolean haveSettings = false;   // flag to say if we have received settings or not.
     public boolean haveData = false; // flag to say we have received data.
@@ -67,6 +68,7 @@ public class SdData implements Parcelable {
     public boolean mHRAlarmActive = false;
     public double mHRThreshMin = 40.0;
     public double mHRTreshMax = 150.0;
+    public int rawData[];
 
     /* Analysis results */
     public Time dataTime = null;
@@ -88,6 +90,7 @@ public class SdData implements Parcelable {
 
     public SdData() {
         simpleSpec = new int[10];
+        rawData = new int[N_RAW_DATA];
         dataTime = new Time(Time.getCurrentTimezone());
     }
 
@@ -118,6 +121,7 @@ public class SdData implements Parcelable {
             alarmPhrase = jo.optString("alarmPhrase");
             alarmThresh = jo.optInt("alarmThresh");
             alarmRatioThresh = jo.optInt("alarmRatioThresh");
+            mHR = jo.optDouble("hr");
             JSONArray specArr = jo.optJSONArray("simpleSpec");
             for (int i = 0; i < specArr.length(); i++) {
                 simpleSpec[i] = specArr.optInt(i);
@@ -131,12 +135,12 @@ public class SdData implements Parcelable {
         }
     }
 
-
+    @Override
     public String toString() {
-        return toDataString();
+        return toDataString(false);
     }
 
-    public String toDataString() {
+    public String toDataString(boolean includeRawData) {
         String retval;
         retval = "SdData.toDataString() Output";
         try {
@@ -166,12 +170,18 @@ public class SdData implements Parcelable {
             jsonObj.put("alarmFreqMax",alarmFreqMax);
             jsonObj.put("alarmThresh", alarmThresh);
             jsonObj.put("alarmRatioThresh", alarmRatioThresh);
+            jsonObj.put("hr",mHR);
             JSONArray arr = new JSONArray();
             for (int i = 0; i < simpleSpec.length; i++) {
                 arr.put(simpleSpec[i]);
             }
-
             jsonObj.put("simpleSpec", arr);
+            if (includeRawData) {
+                JSONArray rawArr = new JSONArray();
+                for (int i = 0; i< rawData.length;i++) {
+                    rawArr.put(rawData[i]);
+                }
+            }
 
             retval = jsonObj.toString();
         } catch (Exception ex) {
diff --git a/app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java b/app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java
index edf443c..06d8838 100644
--- a/app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java
+++ b/app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java
@@ -441,11 +441,15 @@ public class SdDataSourcePebble extends SdDataSource {
                     Log.v(TAG, "numSamples = " + numSamples);
                     byte[] rawDataBytes = data.getBytes(KEY_RAW_DATA);
                     for (int i = 0; i < rawDataBytes.length - 4; i += 4) { // 4 bytes per sample
-                        int x = (rawDataBytes[i]);
+                        int b0 = rawDataBytes[i];
+                        int b1 = rawDataBytes[i+1] & 0xff;
+                        int b2 = rawDataBytes[i+2] & 0xff;
+                        int b3 = rawDataBytes[i+3] & 0xff;
+                        int x = (b3 | b2 << 8 | b1 << 16 | b0 << 24);
                         //int y = (rawDataBytes[i+2] & 0xff) | (rawDataBytes[i+3] << 8);
                         //int z = (rawDataBytes[i+4] & 0xff) | (rawDataBytes[i+5] << 8);
                         //Log.v(TAG,"x="+x+", y="+y+", z="+z);
-                        Log.v(TAG,"x="+x);
+                        Log.v(TAG,"b0="+b0+", b1="+b1+", b2="+b2+", b3="+b3+", x="+x);
                         if (nRawData < MAX_RAW_DATA) {
                             rawData[nRawData] = (int)Math.sqrt(x);
                         } else {
diff --git a/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java b/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
index 1e5ee40..ae681b1 100644
--- a/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
+++ b/app/src/main/java/uk/org/openseizuredetector/StartupActivity.java
@@ -492,6 +492,7 @@ public class StartupActivity extends Activity {
                             + "\n- Added support for an experimental Gramin based seizure detector with Heart Rate alarm  "
                             + "\n  Fixed problem with app not restarting properly when settings were changed"
                             + "\n- Explicitly asks for SMS permission, and displays warning in notification if SMS alarms are active"
+                            + "\n  Added FOREGROUND_SERVICE permission, which seems to be necessary for Android V9."
                             + "\n  "
                             + "\n  PLEASE NOTE - THIS IS A BETA TEST VERSION SO MAY NOT WORK!"
                             + "\n  ."
@@ -528,6 +529,7 @@ public class StartupActivity extends Activity {
                             + "\n- Added support for an experimental Gramin based seizure detector with Heart Rate alarm  "
                             + "\n- Fixed problem with app not restarting properly when settings were changed"
                             + "\n- Explicitly asks for SMS permission, and displays warning in notification if SMS alarms are active"
+                            + "\n  Added FOREGROUND_SERVICE permission, which seems to be necessary for Android V9."
                             + "\n  "
                             + "\n  PLEASE NOTE - THIS IS A BETA TEST VERSION SO MAY NOT WORK!"
                             + "\n "