Create helper functions for TrackPoints in TrackPointUtils.

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

@@ -0,0 +1,56 @@
+package de.dennisguse.opentracks.util;
+
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+import de.dennisguse.opentracks.content.data.TrackPoint;
+
+public class TrackPointUtils {
+
+    // Anything faster than that (in meters per second) will be considered moving.
+    private static final double MAX_NO_MOVEMENT_SPEED = 0.224;
+
+    private final static String TAG = TrackPointUtils.class.getSimpleName();
+
+    private TrackPointUtils() {
+    }
+
+    /**
+     * Ancient fix for phones that do not set the time in {@link android.location.Location}.
+     */
+    //TODO Necessary?
+    public static void fixTime(@NonNull TrackPoint trackPoint) {
+        if (trackPoint.getTime() == 0L) {
+            Log.w(TAG, "Time of provided location was 0. Using current time.");
+            trackPoint.setTime(System.currentTimeMillis());
+        }
+    }
+
+    public static boolean isMoving(@NonNull TrackPoint trackPoint) {
+        return trackPoint.hasSpeed() && trackPoint.getSpeed() >= MAX_NO_MOVEMENT_SPEED;
+    }
+
+    public static boolean equalTime(TrackPoint t1, TrackPoint t2) {
+        if (t1 == null || t2 == null) {
+            return false;
+        }
+
+        return t1.getTime() == t2.getTime();
+    }
+
+    public static boolean after(TrackPoint t1, TrackPoint t2) {
+        if (t1 == null || t2 == null) {
+            return false;
+        }
+
+        return t1.getTime() > t2.getTime();
+    }
+
+    /**
+     * Is accuracy better than threshold?
+     */
+    public static boolean fulfillsAccuracy(@NonNull TrackPoint trackPoint, int poorAccuracy) {
+        return trackPoint.hasAccuracy() && trackPoint.getAccuracy() < poorAccuracy;
+    }
+}