add screen camera wip

covas_mobile/lib/pages/ListItemMenu.dart

@@ -1,12 +1,15 @@
 import 'dart:convert';
 import 'dart:io';
 import "ItemMenu.dart";
+import "Camera.dart";
+
 import 'package:http/http.dart' as http;
 import 'package:flutter/material.dart';
 import '../classes/events.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:intl/intl.dart';
 import 'package:intl/date_symbol_data_local.dart';
+import 'package:camera/camera.dart';
 
 import '../variable/globals.dart' as globals;
 
@@ -57,6 +60,11 @@ class _MyHomePageState extends State<ListItemMenu> {
     return body;
   }
 
+  Future<void> popCamera() async {
+    await availableCameras().then((value) => Navigator.push(context,
+        MaterialPageRoute(builder: (_) => Camera(camera: value.first))));
+  }
+
   // build function
   @override
   Widget build(BuildContext context) {
@@ -117,7 +125,7 @@ class _MyHomePageState extends State<ListItemMenu> {
         },
       ),
       floatingActionButton: FloatingActionButton(
-        onPressed: () {},
+        onPressed: popCamera,
         backgroundColor: Colors.blue,
         tooltip: 'Recherche',
         child: const Icon(Icons.search, color: Colors.white),