Code cleanup using AndroidStudio.

src/androidTest/java/de/dennisguse/opentracks/content/data/TestDataUtil.java

@@ -66,7 +66,7 @@ public class TestDataUtil {
         trackPoint.setAccuracy((float) i / 100.0f);
         trackPoint.setAltitude(i * ALTITUDE_INTERVAL);
         trackPoint.setTime(i + 1);
-        trackPoint.setSpeed(5f + (i / 10));
+        trackPoint.setSpeed(5f + (i / 10f));
 
         trackPoint.setHeartRate_bpm(100f + i);
         trackPoint.setCyclingCadence_rpm(300f + i);

src/androidTest/java/de/dennisguse/opentracks/content/provider/CustomContentProviderUtilsTest.java

@@ -198,7 +198,7 @@ public class CustomContentProviderUtilsTest {
         when(cursorMock.isNull(columnIndex)).thenReturn(false);
         when(cursorMock.getString(columnIndex)).thenReturn(name);
 
-        Track track = contentProviderUtils.createTrack(cursorMock);
+        Track track = ContentProviderUtils.createTrack(cursorMock);
         assertEquals(trackId, track.getId());
         assertEquals(name, track.getName());
     }
@@ -380,16 +380,6 @@ public class CustomContentProviderUtilsTest {
         assertEquals(trackId, allTracks.get(allTracks.size() - 1).getId());
     }
 
-    /**
-     * Tests the method {@link ContentProviderUtils#getLastTrack()}
-     */
-    @Test
-    public void testGetLastTrack() {
-        Track.Id trackId = new Track.Id(System.currentTimeMillis());
-        contentProviderUtils.insertTrack(TestDataUtil.createTrack(trackId));
-        assertEquals(trackId, contentProviderUtils.getLastTrack().getId());
-    }
-
     /**
      * Tests the method {@link ContentProviderUtils#getTrack(Track.Id)}
      */

src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java

@@ -203,7 +203,6 @@ public class ContentProviderUtils {
         contentResolver.delete(MarkerColumns.CONTENT_URI, MarkerColumns.TRACKID + "=?", selectionArgs);
     }
 
-    @VisibleForTesting
     public List<Track> getTracks() {
         ArrayList<Track> tracks = new ArrayList<>();
         try (Cursor cursor = getTrackCursor(null, null, TracksColumns._ID)) {
@@ -217,19 +216,6 @@ public class ContentProviderUtils {
         return tracks;
     }
 
-    @Deprecated
-    //TODO Do not use; rather get the proper TrackId (e.g., resume a track might give you some weird effects).
-    @VisibleForTesting
-    public Track getLastTrack() {
-        try (Cursor cursor = getTrackCursor(null, null, TracksColumns.STARTTIME + " DESC")) {
-            // Using the same order as shown in the track list
-            if (cursor != null && cursor.moveToNext()) {
-                return createTrack(cursor);
-            }
-        }
-        return null;
-    }
-
     /**
      * @param trackId the track id.
      */

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

@@ -58,7 +58,7 @@ public class ChooseActivityTypeDialogFragment extends DialogFragment implements
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         viewBinding = ChooseActivityTypeBinding.inflate(inflater, container, false);
 
         List<Integer> imageIds = new ArrayList<>();

src/main/java/de/dennisguse/opentracks/io/file/ErrorListDialog.java

@@ -54,14 +54,14 @@ public class ErrorListDialog extends DialogFragment {
         outState.putStringArrayList(EXTRA_ERROR_LIST, errorList);
     }
 
+    @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
-        final String[] tracks = errorList.stream().toArray(String[]::new);
+        final String[] tracks = errorList.toArray(new String[0]);
         AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity())
                 .setTitle(title)
                 .setItems(tracks, null)
                 .setPositiveButton(R.string.generic_ok, (dialog, which) -> dismiss());
-        AlertDialog dialog = alertDialogBuilder.create();
-        return dialog;
+        return alertDialogBuilder.create();
     }
 }

src/main/res/drawable/ic_button_stop.xml

@@ -29,5 +29,5 @@
         android:name="fade_out_circle"
         android:fillAlpha="0.0"
         android:fillColor="#a31a1f"
-        android:pathData="M62.5,62.5m-0,-62a50,50 0,1 1,-0 123a50,50 0,1 1,-0 -123"></path>
+        android:pathData="M62.5,62.5m-0,-62a50,50 0,1 1,-0 123a50,50 0,1 1,-0 -123" />
 </vector>