Cleanup using AndroidStudio analyze.

src/main/java/de/dennisguse/opentracks/AggregatedStatisticsActivity.java

@@ -10,7 +10,6 @@ import androidx.lifecycle.ViewModelProvider;
 
 import java.time.LocalDateTime;
 import java.time.ZoneId;
-import java.time.ZoneOffset;
 import java.util.ArrayList;
 import java.util.List;
 

src/main/java/de/dennisguse/opentracks/TrackListActivity.java

@@ -51,8 +51,6 @@ import androidx.loader.content.Loader;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Stream;
 
 import de.dennisguse.opentracks.content.data.Distance;
 import de.dennisguse.opentracks.content.data.Track;

src/main/java/de/dennisguse/opentracks/adapters/SettingsCustomLayoutListAdapter.java

@@ -20,7 +20,7 @@ public class SettingsCustomLayoutListAdapter extends RecyclerView.Adapter<Recycl
 
     private List<Layout> layoutList;
     private final Context context;
-    private SettingsCustomLayoutProfileClickListener itemClickListener;
+    private final SettingsCustomLayoutProfileClickListener itemClickListener;
 
     public SettingsCustomLayoutListAdapter(Context context, SettingsCustomLayoutProfileClickListener itemClickListener) {
         this.context = context;

src/main/java/de/dennisguse/opentracks/content/data/DataField.java

@@ -34,7 +34,7 @@ public class DataField implements Parcelable {
         isWide = in.readByte() != 0;
     }
 
-    public static final Creator<DataField> CREATOR = new Creator<DataField>() {
+    public static final Creator<DataField> CREATOR = new Creator<>() {
         @Override
         public DataField createFromParcel(Parcel in) {
             return new DataField(in);

src/main/java/de/dennisguse/opentracks/content/data/Layout.java

@@ -58,7 +58,7 @@ public class Layout implements Parcelable {
         in.readList(dataFields, DataField.class.getClassLoader());
     }
 
-    public static final Creator<Layout> CREATOR = new Creator<Layout>() {
+    public static final Creator<Layout> CREATOR = new Creator<>() {
         @Override
         public Layout createFromParcel(Parcel in) {
             return new Layout(in);

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

@@ -29,7 +29,6 @@ import de.dennisguse.opentracks.content.data.Track;
 import de.dennisguse.opentracks.content.data.TracksColumns;
 import de.dennisguse.opentracks.io.file.TrackFileFormat;
 import de.dennisguse.opentracks.io.file.exporter.TrackExporter;
-import de.dennisguse.opentracks.util.FileUtils;
 
 /**
  * A content provider that mimics the behavior of {@link androidx.core.content.FileProvider}, which shares virtual (non-existing) KML-files.

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

@@ -111,13 +111,11 @@ public class FilterDialogFragment extends DialogFragment {
             datePickerTo.setVisibility(View.VISIBLE);
         });
 
-        builder.setPositiveButton(android.R.string.ok, (dialog, which) -> {
-            filterDialogListener.onFilterDone(
-                    filterItems,
-                    LocalDateTime.of(datePickerFrom.getYear(), datePickerFrom.getMonth() + 1, datePickerFrom.getDayOfMonth(), 0, 0, 0),
-                    LocalDateTime.of(datePickerTo.getYear(), datePickerTo.getMonth() + 1, datePickerTo.getDayOfMonth(), 23, 59, 59)
-            );
-        });
+        builder.setPositiveButton(android.R.string.ok, (dialog, which) -> filterDialogListener.onFilterDone(
+                filterItems,
+                LocalDateTime.of(datePickerFrom.getYear(), datePickerFrom.getMonth() + 1, datePickerFrom.getDayOfMonth(), 0, 0, 0),
+                LocalDateTime.of(datePickerTo.getYear(), datePickerTo.getMonth() + 1, datePickerTo.getDayOfMonth(), 23, 59, 59)
+        ));
 
         builder.setNegativeButton(android.R.string.cancel, null);
 
@@ -161,7 +159,7 @@ public class FilterDialogFragment extends DialogFragment {
             isChecked = in.readByte() != 0;
         }
 
-        public static final Creator<FilterItem> CREATOR = new Creator<FilterItem>() {
+        public static final Creator<FilterItem> CREATOR = new Creator<>() {
             @Override
             public FilterItem createFromParcel(Parcel in) {
                 return new FilterItem(in);

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

@@ -372,7 +372,7 @@ public class GPXTrackExporter implements TrackExporter {
         return Stream.concat(sensorPoints.stream(), Stream.of(trackPoint))
                 .map(map)
                 .filter(Objects::nonNull)
-                .reduce((gain, next) -> gain + next)
+                .reduce(Double::sum)
                 .orElse(null);
     }
 

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

@@ -2,8 +2,6 @@ package de.dennisguse.opentracks.util;
 
 import androidx.annotation.Nullable;
 
-import com.google.android.material.navigation.NavigationBarView;
-
 import java.util.Arrays;
 import java.util.List;