CPラベルが１文字しか出ない、起動が遅い

lib/widgets/gps_status.dart

@@ -10,7 +10,7 @@ class GpsSignalStrengthIndicator extends StatelessWidget {
 
   // コンストラクタにminimizedパラメータを追加し、デフォルト値をfalseに設定
   GpsSignalStrengthIndicator({
-    Key? key,
+    super.key,
     required this.locationController,
     this.minimized = false, // ここでデフォルト値を指定
   });
@@ -19,8 +19,8 @@ class GpsSignalStrengthIndicator extends StatelessWidget {
   Widget build(BuildContext context) {
 //    final LocationController locationController = Get.find<LocationController>();
     return Obx(() {
-      String signalStrength = locationController.latestSignalStrength;
-      print("signalStrength=${signalStrength}");
+      String signalStrength = locationController.latestSignalStrength.value;
+      debugPrint("GpsSignalStrengthIndicator : signalStrength=${signalStrength}");
       IconData iconData;
       Color backgroundColor;
       String text;