From a465387c6f460e48559415d5a59930e2c724b4b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Harrault?= <benoit@harrault.fr>
Date: Fri, 9 Apr 2021 09:59:56 +0200
Subject: [PATCH] Add pick random letter feature
---
lib/main.dart | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/lib/main.dart b/lib/main.dart
index cb9ad15..9d5e0a8 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,4 +1,5 @@
import 'package:flutter/material.dart';
+import 'dart:math';
void main() {
runApp(MyApp());
@@ -21,12 +22,21 @@ class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
+ final Random _rnd = Random();
+ final String _chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
+ String _randomLetter = '';
+
+ void _pickRandomLetter() {
+ setState(() {
+ _randomLetter = widget._chars[widget._rnd.nextInt(widget._chars.length)];
+ });
+ }
@override
Widget build(BuildContext context) {
@@ -39,11 +49,19 @@ class _MyHomePageState extends State<MyHomePage> {
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
- 'X',
+ 'Lettre aléatoire :',
+ ),
+ Text(
+ '$_randomLetter',
+ style: Theme.of(context).textTheme.headline4,
),
],
),
),
+ floatingActionButton: FloatingActionButton(
+ onPressed: _pickRandomLetter,
+ child: Icon(Icons.shuffle),
+ ),
);
}
}
--
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