format date

lib/calculator.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import 'profile.dart';
@@ -30,7 +31,9 @@ class _CalculatorPageState extends State<CalculatorPage> {
       (1.2 * bodyMassIndex() + .23 * _age - 10.8 * _gender - 5.4).round();
 
   Future<void> _saveResults() async {
-    var now = DateTime.now().toString();
+    var dateFormatter = DateFormat("dd/MM/yyyy");
+    var now = dateFormatter.format(DateTime.now());
+
     SharedPreferences prefs = await SharedPreferences.getInstance();
     prefs.setStringList(
       now,

pubspec.lock

@@ -86,6 +86,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.0"
   js:
     dependency: transitive
     description:

pubspec.yaml

@@ -25,6 +25,7 @@ dependencies:
     sdk: flutter
 
   shared_preferences: 2.0.6
+  intl: ^0.17.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.