android - Adding text to polyline google map -

how add text multiple point on polyline different coordinates.the polyline code follows:

polylineoptions po = new polylineoptions();             (hashmap<string, string> point : coords) {                 latlng latlng = new latlng(double.parsedouble(map                         .get("lat")), double.parsedouble(map.get("long")));                 po.add(latlng);                 //po.add(new latlng(27.3200,88.9711));                 po.width(5);                 po.color(0xffffff00);