Cleanup.

src/main/java/de/dennisguse/opentracks/services/sensors/BluetoothConnectionManager.java

@@ -32,6 +32,7 @@ import java.util.UUID;
 
 import de.dennisguse.opentracks.content.sensor.SensorDataSet;
 import de.dennisguse.opentracks.content.sensor.SensorState;
+import de.dennisguse.opentracks.util.BluetoothUtils;
 
 /**
  * Manages connection to Bluetooth LE heart rate monitor.
@@ -103,7 +104,7 @@ public class BluetoothConnectionManager {
 
         @Override
         public void onCharacteristicChanged(BluetoothGatt gatt, @NonNull BluetoothGattCharacteristic characteristic) {
-            int heartRate = BluetoothLEUtils.parseHeartRate(characteristic);
+            int heartRate = BluetoothUtils.parseHeartRate(characteristic);
 
             Log.d(TAG, "Received heart beat rate: " + heartRate);
             SensorDataSet sensorDataSet = new SensorDataSet(heartRate, gatt.getDevice().getName(), gatt.getDevice().getAddress());

src/main/java/de/dennisguse/opentracks/services/sensors/BluetoothLEUtils.java

@@ -1,17 +0,0 @@
-package de.dennisguse.opentracks.services.sensors;
-
-import android.bluetooth.BluetoothGattCharacteristic;
-
-final class BluetoothLEUtils {
-
-    private BluetoothLEUtils() {
-    }
-
-    static int parseHeartRate(BluetoothGattCharacteristic characteristic) {
-        //DOCUMENTATION https://www.bluetooth.com/specifications/gatt/characteristics/
-        byte[] raw = characteristic.getValue();
-        int index = ((raw[0] & 0x1) == 1) ? 2 : 1;
-        int format = (index == 1) ? BluetoothGattCharacteristic.FORMAT_UINT8 : BluetoothGattCharacteristic.FORMAT_UINT16;
-        return characteristic.getIntValue(format, index);
-    }
-}