expanded Now Button to parent size

README.md

@@ -60,7 +60,6 @@ Text: #57827E
 
 # Add Event
 - Show \* next to lable for required fields. 
-- NOW button  Equal distance to edge and textfield. Same hight as textfield. 
 - GNSS Switch above 'Label' field or in TopMenuBar?   The current position is suboptimal as sometimes clicked when adding a event is desired.
 - Precision, No-Fix, GNSS-deactivated :  alligned left 
 - Event Type /URN   Item separation and hightlighting chosen type as in configuration.

lib/addevent.dart

@@ -367,9 +367,11 @@ class _AddEventPageState extends State<AddEvent>  {
                   ),
                   const SizedBox(height: 15.0),
                   Row(
-                      mainAxisSize: MainAxisSize.max,
+                    //mainAxisSize: MainAxisSize.max,
+                    //crossAxisAlignment: CrossAxisAlignment.stretch,
                       children: <Widget>[
-                        Flexible(child:
+                        Flexible(
+                          child:
                           TextFormField(
                             controller: TextEditingController(
                                 text: eventStore.currentEvent.startDate.substring(0, 19) + 'Z'  //Do not show microseconds
@@ -381,6 +383,7 @@ class _AddEventPageState extends State<AddEvent>  {
                               border: OutlineInputBorder(),
                             ),
                             onTap: () {
+                              //TODO: only open if GNSS sync is disabled.
                               DatePicker.showDateTimePicker(context,
                                   showTitleActions: true,
                                   onConfirm: (date) {
@@ -396,7 +399,11 @@ class _AddEventPageState extends State<AddEvent>  {
                             },
                           ),
                         ),
+                        const SizedBox(width: 5),
                         ElevatedButton(
+                          style: ElevatedButton.styleFrom(
+                              padding: const EdgeInsets.symmetric(vertical: 20.0), //TODO: find a more dynamic solution without a fixed value
+                          ),
                           onPressed: () {
                             var date = DateTime.now().toUtc();
                             var isoDate = date.toIso8601String();