update: selectedMarker initialisation

app/lib/pages/widgets/map_widget.dart

@@ -7,6 +7,9 @@ import 'sat_layer.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
 
+
+/// MapContainerWidget is the main widget that contains the map with all
+/// its layers, polygons and markers.
 class MapContainerWidget extends StatefulWidget {
   final List<Measurement> markerList;
 
@@ -24,6 +27,8 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
 
   @override
   Widget build(BuildContext context) {
+    // Initialise selectedMarker to first element in markerList
+    selectedMarker ??= widget.markerList[0];
 
     const double contPadding = 30; // Container padding space
 
@@ -95,7 +100,7 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
 
                             return Marker(
                               width: 50,
-                              height: 50, // NB: temporary point value
+                              height: 50,
                               point: point(corners),
                               builder: (ctx) => GestureDetector(
                                 onTap: () {
@@ -178,7 +183,6 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
                         setState(() {
                           satLayer = !satLayer; // Toggle satellite layer state on press
                         });
-                        print("satLayer? : $satLayer");
                       },
                       child: Container(
                         padding: const EdgeInsets.all(8),
@@ -211,9 +215,18 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
                           style: titleStyle,
                         ),
                         Text(
-                          'Time of measurement: ${selectedMarker?.timeMeasured}',
+                          'Time of measurement',
+                          style: regTextStyle,
+                        ),
+                        Text(
+                          'Date ${(selectedMarker?.timeMeasured.day ?? '-')}/${(selectedMarker?.timeMeasured.month ?? '-')}/${(selectedMarker?.timeMeasured.year ?? '-')}',
                           style: regTextStyle,
                         ),
+                        Text(
+                          'Time: ${selectedMarker?.timeMeasured.hour}:00',
+                          style: regTextStyle,
+                        ),
+                        const SizedBox(height: contPadding),
                         Text(
                           'Location: (placeholder, placeholder)',
                           style: regTextStyle,