calendar permission handled in iOS

ios/Podfile

@@ -46,6 +46,10 @@ post_install do |installer|
                  'PERMISSION_LOCATION=1',
                  'PERMISSION_CAMERA=1',
                  'PERMISSION_MICROPHONE=1',
+                 ## dart: PermissionGroup.calendar
+                 'PERMISSION_EVENTS=1',
+                 ## dart: PermissionGroup.reminders
+                 'PERMISSION_REMINDERS=1',
               ]
       build_configuration.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = 'arm64 i386'
       if build_configuration.build_settings['WRAPPER_EXTENSION'] == 'bundle'

lib/pages/MyAppointments/widgets/AppointmentActions.dart

@@ -107,6 +107,7 @@ class _AppointmentActionsState extends State<AppointmentActions> {
         locator<GAnalytics>().appointment.appointment_detail_action(appointment: widget.appo, action: 'hospital location');
         break;
       case "addReminder":
+        GAnalytics.APPOINTMENT_DETAIL_FLOW_TYPE = 'my appointment';
         showReminderDialog(
           context,
           new DateFormat("dd MMM yyyy hh:mm")