refactor

flutter_hbb/lib/home_page.dart

@@ -18,6 +18,7 @@ class _HomePageState extends State<HomePage> {
   @override
   Widget build(BuildContext context) {
     ffi = Provider.of<FfiModel>(context);
+    idController.text = ffi.getId();
 
     // This method is rerun every time setState is called
     return Scaffold(
@@ -43,7 +44,6 @@ class _HomePageState extends State<HomePage> {
   }
 
   Widget getSearchBarUI() {
-    var id = ffi.getId();
     return Padding(
       padding: const EdgeInsets.only(top: 8.0),
       child: Container(
@@ -66,7 +66,6 @@ class _HomePageState extends State<HomePage> {
                   child: Container(
                     padding: const EdgeInsets.only(left: 16, right: 16),
                     child: TextFormField(
-                      initialValue: id,
                       style: TextStyle(
                         fontFamily: 'WorkSans',
                         fontWeight: FontWeight.bold,