优化代码

@@ -25,7 +25,7 @@ class AddressSelectPageState extends State<AddressSelectPage> {
   final ScrollController _controller = ScrollController();
   final ScrollController _controller = ScrollController();
   LatLng? _center;
   LatLng? _center;
   late GoogleMapController mapController;
   late GoogleMapController mapController;
-  bool isLoading = false;
+  bool isLoading = true;
   Map<MarkerId, Marker> markers = <MarkerId, Marker>{};
   Map<MarkerId, Marker> markers = <MarkerId, Marker>{};
   late StreamSubscription _locationSubscription;
   late StreamSubscription _locationSubscription;
   String radiusMax = "1000";
   String radiusMax = "1000";
@@ -103,7 +103,7 @@ class AddressSelectPageState extends State<AddressSelectPage> {
   @override
   @override
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {
     var loaderView = const GFLoader().expanded(flex: 11);
     var loaderView = const GFLoader().expanded(flex: 11);
-    var realList = ListView.separated(
+    Widget realList = ListView.separated(
       controller: _controller,
       controller: _controller,
       itemCount: _nearByList.length,
       itemCount: _nearByList.length,
       separatorBuilder: (_, index) => const Divider(),
       separatorBuilder: (_, index) => const Divider(),
@@ -118,6 +118,9 @@ class AddressSelectPageState extends State<AddressSelectPage> {
         );
         );
       },
       },
     ).expanded(flex: 11);
     ).expanded(flex: 11);
+    if (_nearByList.isEmpty) {
+      realList = const Center(child: Text("没有找到任何地点")).expanded(flex: 11);
+    }
     var listHolder = isLoading ? loaderView : realList;
     var listHolder = isLoading ? loaderView : realList;
 
 
     var searchBar = SearchBar(
     var searchBar = SearchBar(
@@ -127,6 +130,9 @@ class AddressSelectPageState extends State<AddressSelectPage> {
         _controller.animateTo(0.0, duration: const Duration(milliseconds: 10), curve: Curves.ease);
         _controller.animateTo(0.0, duration: const Duration(milliseconds: 10), curve: Curves.ease);
         // 构造检索参数
         // 构造检索参数
         getNearbyPlaces(text);
         getNearbyPlaces(text);
+        setState(() {
+
+        });
       },
       },
     );
     );
     var map = GoogleMap(
     var map = GoogleMap(