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added email validation with error msg #12

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added email validation with error msg #12

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bcf44b2
added email validation with error msg
medyas Oct 1, 2019
621a450
Merge branch 'master' into emailValidation
medyas Oct 1, 2019
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113 changes: 62 additions & 51 deletions lib/screens/login.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,14 @@ final baseUrl = DotEnv().env['API_URL'];

class LoginScreen extends StatefulWidget {
static String tag = '/';

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

class _LoginScreenState extends State<LoginScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
final GlobalKey<ScaffoldState> _scaffold = GlobalKey<ScaffoldState>();
final TextEditingController _emailController = TextEditingController();
final FocusNode _emailFocus = FocusNode();

Expand All @@ -32,6 +34,7 @@ class _LoginScreenState extends State<LoginScreen> {
@override
Widget build(BuildContext context) {
return Scaffold(
key: _scaffold,
appBar: AppBar(
centerTitle: true,
title: Text(
Expand All @@ -44,69 +47,70 @@ class _LoginScreenState extends State<LoginScreen> {
body: Theme(
data: loginTheme,
child: Builder(
builder: (BuildContext context) => Center(
builder: (BuildContext context) =>
Center(
child: _isRequesting
? CircularProgressIndicator(
valueColor:
AlwaysStoppedAnimation<Color>(Colors.blue[900]),
)
valueColor:
AlwaysStoppedAnimation<Color>(Colors.blue[900]),
)
: Form(
key: _formKey,
child: ListView(
padding: EdgeInsets.symmetric(
vertical: 32.0, horizontal: 16.0),
children: <Widget>[
Container(
margin: const EdgeInsets.only(bottom: 32.0),
child: Image.asset(
'images/logo.png',
height: 200.0,
),
),
TextFormField(
controller: _emailController,
keyboardType: TextInputType.emailAddress,
textInputAction: TextInputAction.done,
validator: validateEmail,
focusNode: _emailFocus,
decoration: InputDecoration(
border: OutlineInputBorder(),
labelText: 'E-mail',
),
style: TextStyle(
fontSize: 20.0, color: Colors.blue[900]),
onFieldSubmitted: (value) async {
_emailFocus.unfocus();
await submitRequest(context);
}),
Container(
height: 50.0,
margin: const EdgeInsets.only(top: 32.0),
child: RaisedButton(
onPressed: () async {
await submitRequest(context);
},
color: Colors.blue[600],
child: Text(
'ENVIAR',
style: TextStyle(
fontSize: 16.0,
color: Colors.white,
),
),
),
key: _formKey,
child: ListView(
padding: EdgeInsets.symmetric(
vertical: 32.0, horizontal: 16.0),
children: <Widget>[
Container(
margin: const EdgeInsets.only(bottom: 32.0),
child: Image.asset(
'images/logo.png',
height: 200.0,
),
),
TextFormField(
controller: _emailController,
keyboardType: TextInputType.emailAddress,
textInputAction: TextInputAction.done,
validator: validateEmail,
focusNode: _emailFocus,
decoration: InputDecoration(
border: OutlineInputBorder(),
labelText: 'E-mail',
),
style: TextStyle(
fontSize: 20.0, color: Colors.blue[900]),
onFieldSubmitted: (value) async {
_emailFocus.unfocus();
await submitRequest(context);
}),
Container(
height: 50.0,
margin: const EdgeInsets.only(top: 32.0),
child: RaisedButton(
onPressed: () async {
await submitRequest(context);
},
color: Colors.blue[600],
child: Text(
'ENVIAR',
style: TextStyle(
fontSize: 16.0,
color: Colors.white,
),
],
),
),
),
],
),
),
),
),
),
);
}

Widget buildSnackbar(
String text, Color bgColor, Color textColor, Duration duration) {
Widget buildSnackbar(String text, Color bgColor, Color textColor,
Duration duration) {
return SnackBar(
content: Text(
text,
Expand Down Expand Up @@ -140,12 +144,19 @@ class _LoginScreenState extends State<LoginScreen> {

return;
} catch (error) {
_scaffold.currentState.showSnackBar(buildSnackbar(
"No user was found", Colors.red, Colors.white,
Duration(seconds: 2)));
print(error);
} finally {
setState(() {
_isRequesting = false;
});
}
} else {
_scaffold.currentState.showSnackBar(buildSnackbar(
validateEmail(_emailController.value.text), Colors.red, Colors.white,
Duration(seconds: 2)));
}
}
}