windows app developer

Job detailsL i need change load (category, detail category - show radio stations and trends radios) from by backend. backend api structure: public static final String BASE_URL ="[login to view URL]"; public static final String TOKEN_KEY = "X8JvFBtKJ9tYHJJ4Dd57QxsFgnYDEEXXrh"; public static final String EXTRA = "&offset=%s&limit=%s"; public static final String CATEGORY_API = "[login to view URL]"+TOKEN_KEY; public static final String CATEGORY_DETAIL_API = "[login to view URL]"; public static final String TREND_API = "[login to view URL]"+TOKEN_KEY; public static final String TREND_API_COUNT = "[login to view URL]"; } now you understand me, I send you the windows uwp source code?