import 'package:flutter/material.dart';
import 'package:usmdemo/secondscreen.dart';
import 'user.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {


  @override
  Widget build(BuildContext context) {
    return MaterialApp(title: 'Material App',
    home: Scaffold(
      appBar: AppBar(title: Text('Login'),),
      body: MyHome(),
    ),
    );
  }
}

class MyHome extends StatefulWidget {
  //functions
  @override
  _MyHomeState createState() => _MyHomeState();
}

class _MyHomeState extends State<MyHome> {
  void clickandPrint() {
    print('Dah Click');
    print('Dah Click');
  }

  TextEditingController _controllerName = TextEditingController();

  TextEditingController _controllerPassword = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Container(
      color: Colors.yellow[50],
      margin: EdgeInsets.all(30),
      padding: EdgeInsets.all(30),
      child: Column(
        children: <Widget>[
          Text('Nama:', style: TextStyle(
            fontSize: 30
          ),),
          TextField(controller: _controllerName,),
          Text('Password:', style: TextStyle(
            fontSize: 30
          ),),
          TextField(
            controller: _controllerPassword,
            obscureText: true,
          ),
          SizedBox(height: 50,),
          RaisedButton(
            child: Text('Login', style: TextStyle(
            fontSize: 30
          ),),
            onPressed: () {
              //code
              print(_controllerName.text);
              print(_controllerPassword.text);

              //declare Object yg nak passing ke Screen2
              User objectPass;
              objectPass.name = _controllerName.text;
              objectPass.password = _controllerPassword.text;

              //Screen2 ada "post" terima objectPass
              Navigator.push(context, MaterialPageRoute(builder:(context)
                => Screen2(objectReceived: objectPass))  );

            },
          ),
        ],
      ),
    );
  }
}


//Alert
/*
showDialog(context: context, builder: (BuildContext context) {
              return AlertDialog(
                title: Text("AlertDialog"),
                 content: Text("Creates an alert dialog."),
                 actions: <Widget>[
                   RaisedButton(
                    color: Colors.green,
                    child: Text("Open"),
                    onPressed: () {
                      clickandPrint();
                      Navigator.of(context).pop();
                    },
                  ),
                  RaisedButton(
                    color: Colors.orange,
                    child: Text("Close"),
                    onPressed: () {
                      Navigator.of(context).pop();
                    },
                  ),
                 ],
              );
            }
            );
            */


//Snackbar
/*
child: Center(
        child: RaisedButton(
          child: Text('Save Data'),
          onPressed: () {
            final snackBar = SnackBar(
              backgroundColor: Colors.pink,

                    content: Text('Berjaya Save Data ke DB'),
                    action: SnackBarAction(
                      label: 'Print', textColor: Colors.yellowAccent,
                      onPressed: () {
                        clickandPrint();
                      },
                    ),
                  );
            Scaffold.of(context).showSnackBar(snackBar);
          },
        ),
      ),
*/