Fix 2803,2802,2800

lib/pages/destination/destination_controller.dart

@@ -561,7 +561,14 @@ class DestinationController extends GetxController {
           }
         });
       } else {
-        Get.snackbar("始まっていない", "ロゲイニングを始める必要があります");
+        Get.snackbar(
+	    "始まっていません", 
+	    "ロゲ開始ボタンをタップして、ロゲイニングを始める必要があります",
+	    icon: const Icon(Icons.assistant_photo_outlined, size: 40.0, color: Colors.blue),
+	    snackPosition: SnackPosition.TOP,
+	    duration: const Duration(seconds: 3),
+	    backgroundColor: Colors.yellow,
+	);
       }
     }
   }
@@ -931,7 +938,11 @@ class DestinationController extends GetxController {
   }
 
   void centerMapToCurrentLocation() {
+    assert(() {
     print("center is ${currentLon}, ${currentLon}");
+    return true;
+    }());
+    // Akira
     if (currentLat != 0 || currentLon != 0) {
       indexController.mapController.move(LatLng(currentLat, currentLon), 17.0);
     }