Cleanup using Android Studio code analyzer.

src/main/java/de/dennisguse/opentracks/fragments/StatsFragment.java

@@ -603,7 +603,6 @@ public class StatsFragment extends Fragment implements TrackDataListener {
 
     private void setLocationValues() {
         boolean metricUnits = PreferencesUtils.isMetricUnits(getContext());
-        boolean reportSpeed = PreferencesUtils.isReportSpeed(getContext(), category);
         boolean isRecording = isSelectedTrackRecording();
 
         // Set speed/pace

src/main/java/de/dennisguse/opentracks/io/file/exporter/KmlTrackWriter.java

@@ -74,7 +74,7 @@ public class KmlTrackWriter implements TrackWriter {
      * @param context           the context
      * @param hasMultipleTracks should encode multiple tracks into one file?
      * @param exportTrackDetail should detailed information about the track be exported (e.g., title, description, waypoints, timing)?
-     * @param exportSensorData  should {@link TrackPointSensorDataSet} be exported?
+     * @param exportSensorData  should {@link TrackPoint}'s sensor data be exported?
      * @param exportPhotos      should pictures be exported (if true: exports to KMZ)?
      */
     public KmlTrackWriter(Context context, boolean hasMultipleTracks, boolean exportTrackDetail, boolean exportSensorData, boolean exportPhotos) {

src/main/java/de/dennisguse/opentracks/io/file/exporter/KmzTrackExporter.java

@@ -42,7 +42,7 @@ import de.dennisguse.opentracks.util.FileUtils;
  * @author Jimmy Shih
  */
 public class KmzTrackExporter implements TrackExporter {
-    public static final String KMZ_IMAGES_DIR = "images";
+    private static final String KMZ_IMAGES_DIR = "images";
     public static final String KMZ_KML_FILE = "doc.kml";
 
     private static final String TAG = KmzTrackExporter.class.getSimpleName();

src/main/java/de/dennisguse/opentracks/io/file/importer/KmzTrackImporter.java

@@ -47,7 +47,7 @@ public class KmzTrackImporter implements TrackImporter {
 
     private static final String TAG = KmzTrackImporter.class.getSimpleName();
 
-    public static final List<String> KMZ_IMAGES_EXT = Arrays.asList("jpeg", "jpg", "png");
+    private static final List<String> KMZ_IMAGES_EXT = Arrays.asList("jpeg", "jpg", "png");
 
     private static final int BUFFER_SIZE = 4096;
 
@@ -154,11 +154,7 @@ public class KmzTrackImporter implements TrackImporter {
             return false;
         }
 
-        if (KMZ_IMAGES_EXT.contains(fileExt)) {
-            return true;
-        }
-
-        return false;
+        return KMZ_IMAGES_EXT.contains(fileExt);
     }
 
     /**

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

@@ -717,7 +717,7 @@ public class TrackRecordingService extends Service {
         return remoteSensorManager.getSensorData();
     }
 
-    void fillWithSensorDataSet(TrackPoint trackPoint) {
+    private void fillWithSensorDataSet(TrackPoint trackPoint) {
         SensorDataSet sensorData = getSensorDataSet();
         if (sensorData != null) {
             sensorData.fillTrackPoint(trackPoint);

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

@@ -47,8 +47,6 @@ public interface TrackRecordingServiceInterface {
 
     /**
      * Resumes the track identified by trackId.
-     *
-     * @param trackId
      */
     void resumeTrack(long trackId);
 

src/main/java/de/dennisguse/opentracks/services/tasks/AnnouncementPeriodicTask.java

@@ -25,7 +25,6 @@ import android.util.Log;
 
 import java.util.Locale;
 
-import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.data.Track;
 import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
 import de.dennisguse.opentracks.services.TrackRecordingService;

src/main/java/de/dennisguse/opentracks/settings/bluetooth/BluetoothLeSensorPreference.java

@@ -94,8 +94,6 @@ public abstract class BluetoothLeSensorPreference extends DialogPreference {
         private int selectedEntryIndex;
         private final BluetoothLeAdapter listAdapter = new BluetoothLeAdapter();
 
-        private UUID sensorUUID;
-
         private BluetoothLeScanner scanner = null;
         private final ScanCallback scanCallback = new ScanCallback() {
             @Override
@@ -135,7 +133,7 @@ public abstract class BluetoothLeSensorPreference extends DialogPreference {
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
 
-            sensorUUID = (UUID) getArguments().getSerializable(ARG_BLUETOOTH_UUID);
+            UUID sensorUUID = (UUID) getArguments().getSerializable(ARG_BLUETOOTH_UUID);
             Log.i(TAG, "UUID: " + sensorUUID);
 
             BluetoothAdapter bluetoothAdapter = BluetoothUtils.getDefaultBluetoothAdapter(TAG);
@@ -147,7 +145,7 @@ public abstract class BluetoothLeSensorPreference extends DialogPreference {
             }
 
             if (bluetoothAdapter.isDiscovering()) {
-                Log.i(TAG, "Cancelling ongoing bluetooth discovery.");
+                Log.i(TAG, "Cancelling ongoing B<aluetooth discovery.");
                 bluetoothAdapter.cancelDiscovery();
             }
 

src/main/java/de/dennisguse/opentracks/util/IntentDashboardUtils.java

@@ -17,9 +17,9 @@ import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
  */
 public class IntentDashboardUtils {
 
-    public static final String ACTION_DASHBOARD = "Intent.OpenTracks-Dashboard";
+    private static final String ACTION_DASHBOARD = "Intent.OpenTracks-Dashboard";
 
-    public static final String ACTION_DASHBOARD_PAYLOAD = ACTION_DASHBOARD + ".Payload";
+    private static final String ACTION_DASHBOARD_PAYLOAD = ACTION_DASHBOARD + ".Payload";
 
     private IntentDashboardUtils() {
     }