Refactor: introduced SensorManager.

src/main/java/de/dennisguse/opentracks/sensors/BluetoothRemoteSensorManager.java

@@ -73,7 +73,7 @@ public class BluetoothRemoteSensorManager implements SensorConnector, AbstractBl
 
     private final SensorDataSet sensorDataSet = new SensorDataSet();
 
-    private final SensorDataSetChangeObserver observer;
+    private final SensorManager.SensorDataSetChangeObserver observer;
 
     private final SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
         @Override
@@ -114,7 +114,7 @@ public class BluetoothRemoteSensorManager implements SensorConnector, AbstractBl
         }
     };
 
-    public BluetoothRemoteSensorManager(@NonNull Context context, @NonNull Handler handler, @NonNull SensorDataSetChangeObserver observer) {
+    public BluetoothRemoteSensorManager(@NonNull Context context, @NonNull Handler handler, @NonNull SensorManager.SensorDataSetChangeObserver observer) {
         this.context = context;
         this.handler = handler;
         this.observer = observer;
@@ -232,8 +232,4 @@ public class BluetoothRemoteSensorManager implements SensorConnector, AbstractBl
     public Handler getHandler() {
         return handler;
     }
-
-    public interface SensorDataSetChangeObserver {
-        void onChange(SensorDataSet sensorDataSet);
-    }
 }

src/main/java/de/dennisguse/opentracks/sensors/SensorManager.java

@@ -0,0 +1,85 @@
+package de.dennisguse.opentracks.sensors;
+
+import android.content.Context;
+import android.os.Handler;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+
+import de.dennisguse.opentracks.data.models.TrackPoint;
+import de.dennisguse.opentracks.sensors.sensorData.SensorData;
+import de.dennisguse.opentracks.sensors.sensorData.SensorDataSet;
+
+public class SensorManager {
+
+    private static final String TAG = SensorManager.class.getSimpleName();
+
+    private BluetoothRemoteSensorManager bluetoothSensorManager;
+
+    private AltitudeSumManager altitudeSumManager;
+
+    public SensorManager(Context context, Handler handler, SensorDataSetChangeObserver observer) {
+        bluetoothSensorManager = new BluetoothRemoteSensorManager(context, handler, observer);
+        altitudeSumManager = new AltitudeSumManager();
+    }
+
+    public void start(Context context, Handler handler) {
+        bluetoothSensorManager.start(context, handler);
+        altitudeSumManager.start(context, handler);
+    }
+
+    public void stop(Context context) {
+        if (bluetoothSensorManager != null) {
+            bluetoothSensorManager.stop(context);
+            bluetoothSensorManager = null;
+        }
+
+        if (altitudeSumManager != null) {
+            altitudeSumManager.stop(context);
+            altitudeSumManager = null;
+        }
+    }
+
+    public SensorDataSet fill(TrackPoint trackPoint) {
+        altitudeSumManager.fill(trackPoint);
+        return bluetoothSensorManager.fill(trackPoint);
+    }
+
+    public void reset() {
+        if (bluetoothSensorManager == null || altitudeSumManager == null) {
+            Log.d(TAG, "No recording running and no reset necessary.");
+            return;
+        }
+        bluetoothSensorManager.reset();
+        altitudeSumManager.reset();
+    }
+
+    @Deprecated
+    @VisibleForTesting
+    public BluetoothRemoteSensorManager getBluetoothSensorManager() {
+        return bluetoothSensorManager;
+    }
+
+    @Deprecated
+    @VisibleForTesting
+    public void setBluetoothSensorManager(BluetoothRemoteSensorManager remoteSensorManager) {
+        this.bluetoothSensorManager = remoteSensorManager;
+    }
+
+    @Deprecated
+    @VisibleForTesting
+    public AltitudeSumManager getAltitudeSumManager() {
+        return altitudeSumManager;
+    }
+
+    @Deprecated
+    @VisibleForTesting
+    public void setAltitudeSumManager(AltitudeSumManager altitudeSumManager) {
+        this.altitudeSumManager = altitudeSumManager;
+    }
+
+    @Deprecated
+    public interface SensorDataSetChangeObserver {
+        void onChange(SensorDataSet sensorDataSet);
+    }
+}

src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java

@@ -111,7 +111,7 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
         egm2008CorrectionManager = new EGM2008CorrectionManager();
         trackRecordingManager = new TrackRecordingManager(this);
         trackRecordingManager.start();
-        trackPointCreator = new TrackPointCreator(this);
+        trackPointCreator = new TrackPointCreator(this, this, handler);
 
         voiceAnnouncementManager = new VoiceAnnouncementManager(this);
         notificationManager = new TrackRecordingServiceNotificationManager(this);
@@ -177,7 +177,6 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
     }
 
     public void resumeTrack(Track.Id trackId) {
-        trackPointCreator.reset();
         if (!trackRecordingManager.resumeExistingTrack(trackId, trackPointCreator)) {
             Log.w(TAG, "Cannot resume a non-existing track.");
             return;

src/main/java/de/dennisguse/opentracks/services/handlers/TrackPointCreator.java

@@ -16,14 +16,13 @@ import java.time.ZoneId;
 
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.TrackPoint;
-import de.dennisguse.opentracks.sensors.AltitudeSumManager;
-import de.dennisguse.opentracks.sensors.BluetoothRemoteSensorManager;
+import de.dennisguse.opentracks.sensors.SensorManager;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataSet;
 
 /**
  * Creates TrackPoints while recording by fusing data from different sensors (e.g., GNSS, barometer, BLE sensors).
  */
-public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDataSetChangeObserver {
+public class TrackPointCreator implements SensorManager.SensorDataSetChangeObserver {
 
     private static final String TAG = TrackPointCreator.class.getSimpleName();
 
@@ -35,12 +34,12 @@ public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDat
     private Clock clock = new MonotonicClock();
 
     private final GPSHandler gpsHandler;
-    private BluetoothRemoteSensorManager remoteSensorManager;
-    private AltitudeSumManager altitudeSumManager;
+    private SensorManager sensorManager;
 
-    public TrackPointCreator(Callback service) {
+    public TrackPointCreator(Callback service, Context context, Handler handler) {
         this.service = service;
         this.gpsHandler = new GPSHandler(this);
+        this.sensorManager = new SensorManager(context, handler, this);
     }
 
     @VisibleForTesting
@@ -53,26 +52,15 @@ public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDat
         this.context = context;
 
         gpsHandler.start(context, handler);
-
-        remoteSensorManager = new BluetoothRemoteSensorManager(context, handler, this);
-        altitudeSumManager = new AltitudeSumManager();
-
-        remoteSensorManager.start(context, handler);
-        altitudeSumManager.start(context, handler);
-
+        sensorManager.start(context, handler);
     }
 
     private boolean isStarted() {
         return context != null;
     }
 
-    public synchronized void reset() {
-        if (remoteSensorManager == null || altitudeSumManager == null) {
-            Log.d(TAG, "No recording running and no reset necessary.");
-            return;
-        }
-        remoteSensorManager.reset();
-        altitudeSumManager.reset();
+    private synchronized void reset() {
+        sensorManager.reset();
     }
 
     private SensorDataSet addSensorData(TrackPoint trackPoint) {
@@ -80,32 +68,13 @@ public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDat
             Log.w(TAG, "Not started, should not be called.");
             return null;
         }
-        SensorDataSet sensorDataSet = null;
-        BluetoothRemoteSensorManager localRemoteSensorManager = remoteSensorManager;
-        if (localRemoteSensorManager != null) {
-            sensorDataSet = localRemoteSensorManager.fill(trackPoint);
-        }
-        AltitudeSumManager localAltitudeSumManager = altitudeSumManager;
-        if (localAltitudeSumManager != null) {
-            localAltitudeSumManager.fill(trackPoint);
-        }
 
-        return sensorDataSet;
+        return sensorManager.fill(trackPoint);
     }
 
     public synchronized void stop() {
         gpsHandler.stop(context);
 
-        if (remoteSensorManager != null) {
-            remoteSensorManager.stop(context);
-            remoteSensorManager = null;
-        }
-
-        if (altitudeSumManager != null) {
-            altitudeSumManager.stop(context);
-            altitudeSumManager = null;
-        }
-
         this.context = null;
     }
 
@@ -169,26 +138,8 @@ public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDat
     }
 
     @VisibleForTesting
-    public AltitudeSumManager getAltitudeSumManager() {
-        return altitudeSumManager;
-    }
-
-    @Deprecated
-    @VisibleForTesting
-    public void setAltitudeSumManager(AltitudeSumManager altitudeSumManager) {
-        this.altitudeSumManager = altitudeSumManager;
-    }
-
-    @Deprecated
-    @VisibleForTesting
-    public BluetoothRemoteSensorManager getRemoteSensorManager() {
-        return remoteSensorManager;
-    }
-
-    @Deprecated
-    @VisibleForTesting
-    public void setRemoteSensorManager(BluetoothRemoteSensorManager remoteSensorManager) {
-        this.remoteSensorManager = remoteSensorManager;
+    public SensorManager getSensorManager() {
+        return sensorManager;
     }
 
     @VisibleForTesting