add datepicker

covas_mobile/lib/pages/UpdateEventImage.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:http/http.dart' as http;
+import 'package:intl/intl.dart';
 
 import 'dart:convert';
 import 'dart:io';
@@ -41,6 +43,17 @@ class _UpdateeventImageState extends State<UpdateeventImage>
   TextEditingController inputName = TextEditingController();
   TextEditingController inputPlace = TextEditingController();
   TextEditingController inputDate = TextEditingController();
+  TextEditingController startDatepicker = TextEditingController();
+
+  onTapFunctionDatePicker({required BuildContext context}) async {
+    DateTime? pickedDate = await showDatePicker(
+        context: context,
+        firstDate: DateTime.now(),
+        initialDate: DateTime.now(),
+        lastDate: DateTime(2026));
+    if (pickedDate == null) return;
+    startDatepicker.text = DateFormat("dd-MM-yyyy").format(pickedDate);
+  }
 
   Future<void> _updateEvent(BuildContext context) async {
     var url = Uri.parse("${globals.api}/token");
@@ -181,6 +194,19 @@ class _UpdateeventImageState extends State<UpdateeventImage>
                     hintText: 'Entrer le lieu'),
               ),
             ),
+            Padding(
+              padding: const EdgeInsets.only(
+                  left: 15.0, right: 15.0, top: 15, bottom: 0),
+              //padding: EdgeInsets.symmetric(horizontal: 15),
+              child: TextField(
+                  controller: startDatepicker,
+                  readOnly: true,
+                  decoration: InputDecoration(
+                      border: OutlineInputBorder(),
+                      labelText: 'Date de debut de l\'évènement',
+                      hintText: 'Cliquez ici pour selectionner une date'),
+                  onTap: () => onTapFunctionDatePicker(context: context)),
+            ),
             SizedBox(
               height: 30,
             ),