Cleanup: removed SensorConnector interface.

Preparation for refactoring.

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

@@ -34,7 +34,7 @@ import de.dennisguse.opentracks.settings.PreferencesUtils;
  * TODO: listen for Bluetooth enabled/disabled events.
  * @author Sandor Dornbush
  */
-public class BluetoothRemoteSensorManager implements SensorConnector, SharedPreferences.OnSharedPreferenceChangeListener {
+public class BluetoothRemoteSensorManager implements SharedPreferences.OnSharedPreferenceChangeListener {
 
     private static final String TAG = BluetoothRemoteSensorManager.class.getSimpleName();
 
@@ -62,16 +62,14 @@ public class BluetoothRemoteSensorManager implements SensorConnector, SharedPref
         this.runningSpeedAndCadence = new BluetoothConnectionManager(bluetoothAdapter, observer, new BluetoothHandlerRunningSpeedAndCadence());
     }
 
-    @Override
+    public void start() {
-    public void start(Context context, Handler handler) {
         started = true;
 
         // Triggers connection startup
         onSharedPreferenceChanged(null, null);
     }
 
-    @Override
+    public synchronized void stop() {
-    public synchronized void stop(Context context) {
         heartRate.disconnect();
         temperature.disconnect();
         cyclingCadence.disconnect();

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

@@ -13,7 +13,7 @@ import de.dennisguse.opentracks.settings.PreferencesUtils;
 /**
  * Estimates the altitude gain and altitude loss using the device's pressure sensor (i.e., barometer).
  */
-public class GainManager implements SensorConnector {
+public class GainManager {
 
     private static final String TAG = GainManager.class.getSimpleName();
 
@@ -36,7 +36,7 @@ public class GainManager implements SensorConnector {
         PreferencesUtils.registerOnSharedPreferenceChangeListener(sharedPreferenceChangeListener);
     }
 
-    public void stop(Context context) {
+    public void stop() {
         Log.d(TAG, "Stop");
         this.context = null;
         this.handler = null;

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

@@ -26,7 +26,7 @@ import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.util.PermissionRequester;
 
 @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE)
-public class GpsManager implements SensorConnector, LocationListenerCompat, GpsStatusManager.GpsStatusListener, SharedPreferences.OnSharedPreferenceChangeListener {
+public class GpsManager implements LocationListenerCompat, GpsStatusManager.GpsStatusListener, SharedPreferences.OnSharedPreferenceChangeListener {
 
     private final String TAG = GpsManager.class.getSimpleName();
 
@@ -68,7 +68,7 @@ public class GpsManager implements SensorConnector, LocationListenerCompat, GpsS
     }
 
     @SuppressWarnings({"MissingPermission"})
-    public void stop(Context context) {
+    public void stop() {
         if (isStarted()) {
             LocationManagerCompat.removeUpdates(locationManager, this);
         }

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

@@ -1,11 +0,0 @@
-package de.dennisguse.opentracks.sensors;
-
-import android.content.Context;
-import android.os.Handler;
-
-public interface SensorConnector {
-
-    void start(Context context, Handler handler);
-
-    void stop(Context context);
-}

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

@@ -85,19 +85,19 @@ public class SensorManager implements SharedPreferences.OnSharedPreferenceChange
 
         gpsManager.start(context, handler);
         altitudeSumManager.start(context, handler);
-        bluetoothSensorManager.start(context, handler);
+        bluetoothSensorManager.start();
     }
 
     public void stop(Context context) {
         wakeLock = SystemUtils.releaseWakeLock(wakeLock);
 
-        bluetoothSensorManager.stop(context);
+        bluetoothSensorManager.stop();
         bluetoothSensorManager = null;
 
-        altitudeSumManager.stop(context);
+        altitudeSumManager.stop();
         altitudeSumManager = null;
 
-        gpsManager.stop(context);
+        gpsManager.stop();
         gpsManager = null;
 
         sensorDataAggregator.clear();