Cleanup: removed ContentProviderUtils interface.

src/main/java/de/dennisguse/opentracks/content/LocationFactory.java

@@ -0,0 +1,20 @@
+package de.dennisguse.opentracks.content;
+
+import android.location.Location;
+import android.location.LocationManager;
+
+/**
+ * Creates a new {@link SensorDataSetLocation}.
+ * An implementation can create new instances or reuse existing instances for optimization.
+ */
+public class LocationFactory {
+
+    /**
+     * The default {@link LocationFactory} which creates a location each time.
+     */
+    public static LocationFactory DEFAULT_LOCATION_FACTORY = new LocationFactory();
+
+    public Location createLocation() {
+        return new SensorDataSetLocation(LocationManager.GPS_PROVIDER);
+    }
+}

src/main/java/de/dennisguse/opentracks/content/LocationIterator.java

@@ -0,0 +1,22 @@
+package de.dennisguse.opentracks.content;
+
+import android.database.Cursor;
+import android.location.Location;
+
+import java.util.Iterator;
+
+/**
+ * A lightweight wrapper around the original {@link Cursor} with a method to clean up.
+ */
+public interface LocationIterator extends Iterator<Location>, AutoCloseable {
+
+    /**
+     * Gets the most recently retrieved track point id by {@link #next()}.
+     */
+    long getLocationId();
+
+    /**
+     * Closes the iterator.
+     */
+    void close();
+}

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

@@ -198,7 +198,7 @@ public class ShareContentProvider extends CustomContentProvider implements ICont
     @Nullable
     @Override
     public ParcelFileDescriptor openFile(@NonNull Uri uri, @NonNull String mode) throws FileNotFoundException {
-        ContentProviderUtils contentProviderUtils = new ContentProviderUtilsImpl(this);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(this);
 
         long[] trackIds = parseURI(uri);
         final Track[] tracks = new Track[trackIds.length];

src/main/java/de/dennisguse/opentracks/content/TrackDataHub.java

@@ -30,7 +30,6 @@ import java.util.EnumSet;
 import java.util.Set;
 
 import de.dennisguse.opentracks.R;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.util.LocationUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
@@ -45,7 +44,7 @@ public class TrackDataHub implements DataSourceListener {
      * Target number of track points displayed by the map overlay.
      * We may display more than this number of points.
      */
-    static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
+    private static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
 
     /**
      * Maximum number of waypoints to displayed.
@@ -97,8 +96,7 @@ public class TrackDataHub implements DataSourceListener {
     }
 
     public synchronized static TrackDataHub newInstance(Context context) {
-        return new TrackDataHub(context, new TrackDataManager(), ContentProviderUtils.Factory.get(
-                context), TARGET_DISPLAYED_TRACK_POINTS);
+        return new TrackDataHub(context, new TrackDataManager(), new ContentProviderUtils(context), TARGET_DISPLAYED_TRACK_POINTS);
     }
 
     public void start() {
@@ -448,7 +446,7 @@ public class TrackDataHub implements DataSourceListener {
         int samplingFrequency = -1;
         boolean includeNextPoint = false;
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (locationIterator.hasNext()) {
                 Location location = locationIterator.next();