calculeaire 0.1.5

Ce package contient un ensemble de fonctions permettant de calculer l'aire de 3 figures à savoir: Carré, Triangle, Cercle.

example/README.md

import 'package:calculeaire/calculeaire.dart';
import 'package:flutter/material.dart';

class Home extends StatefulWidget {
  const Home({Key? key}) : super(key: key);

  @override
  _HomeState createState() => _HomeState();
}

class _HomeState extends State<Home> {
  String figure = "Carré";
  double aire = 0;
  TextEditingController cote = TextEditingController();
  TextEditingController base = TextEditingController();
  TextEditingController hauteur = TextEditingController();
  TextEditingController rayon = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Calcule d'aire"),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ListTile(
              title: const Text('Carré'),
              leading: Radio(
                value: "Carré",
                groupValue: figure,
                onChanged: (value) {
                  setState(() {
                    figure = value.toString();
                  });
                },
              ),
            ),
            ListTile(
              title: const Text('Trangle'),
              leading: Radio(
                value: "Triangle",
                groupValue: figure,
                onChanged: (value) {
                  setState(() {
                    figure = value.toString();
                  });
                },
              ),
            ),
            ListTile(
              title: const Text('Cercle'),
              leading: Radio(
                value: "Cercle",
                groupValue: figure,
                onChanged: (value) {
                  setState(() {
                    figure = value.toString();
                  });
                },
              ),
            ),
            const SizedBox(
              height: 20,
            ),
            SizedBox(
              width: MediaQuery.of(context).size.width / 1.1,
              child: TextFormField(
                controller: (figure == "Carré")
                    ? cote
                    : (figure == "Triangle")
                        ? base
                        : rayon,
                keyboardType: TextInputType.number,
                decoration: InputDecoration(
                  labelText: (figure == "Carré")
                      ? "Coté"
                      : (figure == "Triangle")
                          ? "Base"
                          : "Rayon",
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(25.0),
                  ),
                ),
              ),
            ),
            const SizedBox(
              height: 20,
            ),
            if (figure == "Triangle")
              SizedBox(
                width: MediaQuery.of(context).size.width / 1.1,
                child: TextFormField(
                  controller: hauteur,
                  keyboardType: TextInputType.number,
                  decoration: InputDecoration(
                    labelText: "Largeur",
                    border: OutlineInputBorder(
                      borderRadius: BorderRadius.circular(25.0),
                    ),
                  ),
                ),
              ),
            const SizedBox(
              height: 20,
            ),
            ElevatedButton(
              onPressed: () {
                setState(() {
                  switch (figure) {
                    case "Carré":
                      aire = aireCarre(double.parse(cote.text));
                      break;
                    case "Triangle":
                      aire = aireTriangle(
                          double.parse(base.text), double.parse(hauteur.text));
                      break;
                    case "Cercle":
                      aire = aireCercle(double.parse(rayon.text));
                      break;
                    default:
                  }
                });
              },
              child: const Text("Calculer"),
            ),
            const SizedBox(
              height: 20,
            ),
            Text(
              "Aire: $aire",
              style: const TextStyle(fontSize: 20),
            ),
          ],
        ),
      ),
    );
  }
}