sign_in.dart(old)

Zuhairy_Harry

May 15th, 2025

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import 'package:einventorycomputer/services/auth.dart';
import 'package:einventorycomputer/shared/constants.dart';
import 'package:einventorycomputer/shared/loading.dart';
import 'package:flutter/material.dart';
import 'package:einventorycomputer/modules/authentication/sign_up.dart';
class SignIn extends StatefulWidget {
final Function toggleView;
SignIn({required this.toggleView});
@override
_SignInState createState() => _SignInState();
}
class _SignInState extends State<SignIn> {
final AuthService _auth = AuthService();
final _formKey = GlobalKey<FormState>();
bool loading = false;
// text field state
String email = '';
String password = '';
String error = '';
@override
Widget build(BuildContext context) {
return loading ? Loading() : Scaffold(
backgroundColor: Colors.brown[100],
appBar: AppBar(
backgroundColor: Colors.brown[400],
elevation: 0.0,
title: Text('Sign In to e-Inventory'),
),
body: Container(
padding: EdgeInsets.symmetric(vertical: 20.0, horizontal: 50.0),
child: Form(
key: _formKey,
child: Column(
children: <Widget>[
SizedBox(height: 20.0),
TextFormField(
decoration: textDecoration.copyWith(hintText: 'Email'),
validator: (val) => val!.isEmpty ? 'Enter an email' : null,
onChanged: (val){
setState(() => email = val);
}
),
SizedBox(height: 20.0),
TextFormField(
decoration: textDecoration.copyWith(hintText: 'Password'),
obscureText: true,
validator: (val) => val!.length < 6 ? 'Enter a password 6+ chars long' : null,
onChanged: (val){
setState(() => password = val);
}
),
ElevatedButton(
child: Text(
'Sign In',
style: TextStyle(color: Colors.white),
),
onPressed: () async {
if (_formKey.currentState!.validate()){
setState(() => loading = true);
dynamic result = await _auth.signInWithEmailAndPassword(email, password);
if(result == null){
setState(() {
error = 'could not sign in';
loading = false;
});
}
}
}
),
SizedBox(height: 12.0),
Text(
error,
style: TextStyle(color: Colors.red, fontSize: 14.0),
),
SizedBox(height: 20.0),
ElevatedButton(
child: Text(
'Sign Up',
style: TextStyle(color: Colors.white),
),
onPressed: () {
widget.toggleView();
}
),
],
),
),
),
);
}
}

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