118 lines
3.5 KiB
Dart
118 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:instruction_app/screens/home_page.dart';
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class AuthorizationPage extends StatefulWidget {
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const AuthorizationPage({super.key});
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@override
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State<AuthorizationPage> createState() => _AuthorizationPage();
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}
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class _AuthorizationPage extends State<AuthorizationPage> {
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final TextEditingController _loginController = new TextEditingController();
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final TextEditingController _passwordController = new TextEditingController();
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final _formKey = GlobalKey<FormState>();
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final borederRadius = BorderRadius.all(Radius.circular(10));
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bool passwordVisible = false;
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void _login(){
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if (_formKey.currentState!.validate()) {
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final String login = _loginController.text;
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final String password = _passwordController.text;
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if (login == 'admin' && password == '123456') {
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Navigator.of(context).push(MaterialPageRoute(
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builder: (ctx) => HomePage())
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);
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}
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}
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}
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String? _validatePassword(String? password){
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if (password == null || password.isEmpty)
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return 'Введите пароль';
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if (password != '123456')
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return 'Пароль: 123456';
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return null;
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}
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String? _validateLogin(String? login){
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if (login == null || login.isEmpty)
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return 'Введите логин';
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if (login != 'admin')
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return 'Логин: admin';
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return null;
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}
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@override
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void dispose() {
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super.dispose();
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_loginController.dispose();
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_passwordController.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text("Авторизация"),
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),
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body: Padding(
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padding: EdgeInsets.all(80),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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_buildFormWidget(context),
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SizedBox(height: 25,),
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TextButton(
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style: ButtonStyle(
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backgroundColor: WidgetStateProperty.all(Colors.blue),
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foregroundColor: WidgetStateProperty.all(Colors.white),
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),
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onPressed: () => _login(),
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child: Text("Войти")
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)
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],
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)
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)
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);
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}
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Widget _buildFormWidget(BuildContext context) {
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return Form(
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key: _formKey,
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child: Column(
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children: [
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TextFormField(
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controller: _loginController,
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decoration: InputDecoration(
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prefixIcon: Icon(Icons.account_circle),
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border: OutlineInputBorder(
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borderRadius: borederRadius
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),
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labelText: 'Логин'),
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validator: (text) => _validateLogin(text),
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),
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SizedBox(height: 25,),
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TextFormField(
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controller: _passwordController,
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obscureText: !passwordVisible,
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decoration: InputDecoration(
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prefixIcon: Icon(Icons.lock),
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border: OutlineInputBorder(
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borderRadius: borederRadius
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),
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labelText: 'Пароль',
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suffixIcon: IconButton(
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icon: Icon(
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passwordVisible ? Icons.visibility : Icons.visibility_off),
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onPressed: () => setState(() => passwordVisible = !passwordVisible),
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)),
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validator: (text) => _validatePassword(text),
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),
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],
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)
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);
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}
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} |