added navigation to location from map

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

@@ -0,0 +1,30 @@
+package com.a1.nextlocation.data;
+
+import org.osmdroid.views.overlay.Polyline;
+
+/**
+ * singleton to keep track of different global data
+ */
+public enum StaticData {
+    INSTANCE;
+    private double distanceTraveled = 0;
+
+    public void addDistance(double d) {
+        distanceTraveled += d;
+    }
+
+    public double getDistanceTraveled() {
+        return distanceTraveled;
+    }
+
+    private Polyline currentRoute;
+
+    public void setCurrentRoute(Polyline currentRoute) {
+        this.currentRoute = currentRoute;
+    }
+
+    public Polyline getCurrentRoute() {
+        return currentRoute;
+    }
+
+}