fix: always same accelero value was recorded

app/src/main/java/at/lockstep/app/LstForegroundService.java

@@ -6,6 +6,8 @@ import android.app.NotificationManager;
 import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
 import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
@@ -225,7 +227,7 @@ public class LstForegroundService extends Service implements SensorEventListener
         }
         public SensorData(long timestamp, float[] values) {
             this.timestamp = timestamp;
-            this.values = values;
+            this.values = Arrays.copyOf(values, values.length);
         }
     }
 
@@ -233,10 +235,12 @@ public class LstForegroundService extends Service implements SensorEventListener
     public static class SensorDataArray {
         private ArrayList<SensorData> data = new ArrayList<SensorData>();
         private String meta;
+        private int versionCode;
         public void add(SensorEvent event) { data.add(new SensorData(event)); }
         public void add(SensorData d) { data.add(d); }
         public void clear() { data.clear(); }
         public void setMeta(String meta) { this.meta = meta; }
+        public void setVersionCode(int versionCode) { this.versionCode = versionCode; }
     }
 
     private final SensorDataArray recording = new SensorDataArray();
@@ -245,6 +249,11 @@ public class LstForegroundService extends Service implements SensorEventListener
     private void onStartRecording(String meta) {
         recordingStartTime = SystemClock.elapsedRealtimeNanos();
         recording.setMeta(meta);
+
+        try {
+            PackageInfo pInfo = this.getPackageManager().getPackageInfo(this.getPackageName(), 0);
+            recording.setVersionCode(pInfo.versionCode);
+        } catch (PackageManager.NameNotFoundException ignored) {}
     }
     private void onStopRecording() {
         if(listener != null) {