added updating location when you're close to it

app/src/main/java/com/a1/nextlocation/data/StaticData.java

@@ -2,21 +2,38 @@ package com.a1.nextlocation.data;
 
 import org.osmdroid.views.overlay.Polyline;
 
+import java.util.ArrayList;
+
 /**
  * singleton to keep track of different global data
  */
 public enum StaticData {
     INSTANCE;
     private double distanceTraveled = 0;
+    private int locationsVisited = 0;
+
+    private ArrayList<String> visitedNames = new ArrayList<>();
 
     public void addDistance(double d) {
         distanceTraveled += d;
     }
 
+
     public double getDistanceTraveled() {
         return distanceTraveled;
     }
 
+    public void visitLocation(Location location) {
+        if (!visitedNames.contains(location.getName())) {
+            locationsVisited++;
+            visitedNames.add(location.getName());
+        }
+    }
+
+    public int getLocationsVisited() {
+        return locationsVisited;
+    }
+
     private Polyline currentRoute;
 
     public void setCurrentRoute(Polyline currentRoute) {