import 'package:flutter/material.dart'; import 'events.dart'; mixin ShowDescImageAdd on State { void showDescImageAddDialog(BuildContext context, var events) { // Create AlertDialog String name = events['name']; AlertDialog dialog = AlertDialog( title: Text("Ajouter un evenement"), content: Text("${name} n'a pas été trouvé. Voulez-vous l'ajouter ? "), actions: [ ElevatedButton( child: Text("Oui"), style: ElevatedButton.styleFrom( padding: EdgeInsets.symmetric(horizontal: 50, vertical: 20), textStyle: TextStyle(fontSize: 15, fontWeight: FontWeight.normal)), onPressed: () { Navigator.of(context).pop("Yes, Of course!"); // Return value }), ElevatedButton( child: Text("Non"), style: ElevatedButton.styleFrom( padding: EdgeInsets.symmetric(horizontal: 50, vertical: 20), textStyle: TextStyle(fontSize: 15, fontWeight: FontWeight.normal)), onPressed: () { Navigator.of(context).pop("Yes, Of course!"); // Return value }), ], ); // Call showDialog function to show dialog. Future futureValue = showDialog( context: context, builder: (BuildContext context) { return dialog; }); } }