screen not displaying in flutter - flutter

Question

I have hese snippet for a login screen and these codes arent displaying when i launch the app on the android device
here the error on the console I/flutter (12389): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (12389): The following assertion was thrown during performLayout():
I/flutter (12389): BoxConstraints forces an infinite width.
I/flutter (12389): These invalid constraints were provided to RenderAnimatedOpacity's layout() function by the
I/flutter (12389): following function, which probably computed the invalid constraints in question:
import 'package:flutter/material.dart';
class UserEmail extends StatefulWidget{
#override
State<StatefulWidget> createState() {
return UserEmailState();
}
}
class UserEmailState extends State<UserEmail> {
final TextEditingController _emailController = new TextEditingController();
#override
Widget build(BuildContext context) {
return Scaffold(
appBar: new AppBar(
backgroundColor: Colors.transparent,
elevation: 0.0,
),
body: ListView(
children: <Widget>[
Padding(
padding: const EdgeInsets.all(16.0),
child: SizedBox(
child: new Row(
children: <Widget>[
Text("Welcome",
style: TextStyle(color: Colors.black,fontWeight: FontWeight.bold
),),
Text("A short slogan about the app...")
],
),
),
),
Padding(
padding: const EdgeInsets.all(24.0),
child: SizedBox(
child: Column(
children: <Widget>[
Row(
children: <Widget>[
TextField(
controller: _emailController,
decoration: new InputDecoration(
labelText: "Email",
hintText: "Enter email address"
),
)
],
),
Padding(
padding: const EdgeInsets.all(8.0),
child: new RaisedButton(
onPressed: null,
textColor: Colors.white,
color: Colors.blueGrey,
padding: const EdgeInsets.all(8.0),
child: new Text(
"Continue")
),
),
],
),
),
)
],
),
);
}
}

Answer 1

wrap your TextField inside an Expanded or Flexible widget. Like this:
Flexible(
child: TextField(
controller: _emailController,
decoration: new InputDecoration(
labelText: "Email",
hintText: "Enter email address"
),
),
)