private ArrayList<String> getAllCities() { ArrayList<City> cities = cityDB.getAllCity(); ArrayList<String> ret = new ArrayList<String>(); for (City city : cities) { ret.add(city.getCity()); } return ret; }
private ArrayList<String> getAllProvinces() { ArrayList<String> provinces = new ArrayList<String>(); ArrayList<City> cities = cityDB.getAllCity(); for (City city : cities) { String provinceName = city.getProvince(); if (!provinces.contains(provinceName)) provinces.add(provinceName); } return provinces; }