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allansrc/Login.dart

Created December 17, 2019 20:00
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  1. allansrc created this gist Dec 17, 2019.
    206 changes: 206 additions & 0 deletions Login.dart
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    Original file line number Diff line number Diff line change
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    import 'package:flutter/material.dart';
    import 'dart:async';
    import 'dart:convert';
    import 'package:http/http.dart' as http;
    import 'package:sac_soma/constant.dart';
    import '../conversas.dart';
    import 'package:sac_soma/app_data.dart';
    // import 'package:js/js.dart';
    // import 'package:js/js_util.dart';
    // import 'package:sac_soma/utils/sha256.js';
    // import 'package:sac_soma/utils/socket.io.js';
    import 'package:adhara_socket_io/adhara_socket_io.dart';



    class LoginScreen extends StatefulWidget {
    // final WebSocketChannel channel;
    LoginScreen({Key key}) : super(key: key);

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

    class _LoginScreenState extends State<LoginScreen> {


    List<String> toPrint = ["trying to conenct"];
    SocketIOManager manager;
    SocketIO socket;
    bool isProbablyConnected = false;


    // ######################################

    _showDialog(String mensagem) {
    showDialog(
    context: context,
    builder: (BuildContext context) {
    return AlertDialog(
    backgroundColor: Colors.yellow[400],
    title: Text(
    'Erro no Login',
    style: TextStyle(color: Colors.red, fontWeight: FontWeight.w700),
    ),
    content: Text(
    mensagem,
    style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.w800),
    ),
    actions: <Widget>[
    RaisedButton(
    color: Colors.lightGreenAccent[400],
    child: Text(
    'ok',
    style: TextStyle(color: Colors.white, fontSize: 18.0),
    ),
    onPressed: () {
    Navigator.of(context).pop();
    },
    )
    ],
    );
    },
    );
    }

    Future<String> loginServe() async {
    var url = "$baseURL/login";
    print(url);
    http.Response response = await http.post(
    //Uri.encodeFull removes all the dashes or extra characters present in our Uri
    Uri.encodeFull(url),
    headers: {
    'Conten-Type': 'application/json'
    },
    body: {
    'usuario': _userController.text,
    'senha': _passController.text,
    'tipo': 'mobile',
    'chave': chave
    });
    print("encoded json ${response.body}");

    Map<String, dynamic> data = json.decode(response.body);

    if (data['result'] == 'success') {
    appData.dadosJson = data['usuario'];

    // var usuarioid = data['usuario']['id'];
    // var urlConversas = "$baseURL/conversas/$usuarioid";

    // http.Response resposta = await http.get(
    // Uri.encodeFull(urlConversas), headers: {
    // 'Conten-Type': 'application/json',
    // 'Authorization': chave,
    // });
    // print(resposta.body);
    // Map<String, dynamic> dados = json.decode(resposta.body);





    // socket







    // Navigator.pushReplacement(
    // context,
    // MaterialPageRoute<Map>(
    // builder: (context) => ConversasScreen(
    // // add conversas posteriormente :: linha abaixo
    // // conversas: data['usuario'],
    // dadosUsuario: data['usuario'],
    // ),
    // ),
    // );
    } else {
    _showDialog(data['msg']);
    }
    }

    // controllers
    TextEditingController _userController = TextEditingController();
    TextEditingController _passController = TextEditingController();

    @override
    Widget build(BuildContext context) {
    var btnLogin = Container(
    margin: EdgeInsets.only(top: 20.0),
    width: MediaQuery.of(context).size.width,
    height: 35.0,
    child: FlatButton.icon(
    onPressed: loginServe,
    //getData, // declarar sem parentesis
    icon: Icon(
    Icons.forward,
    color: Colors.white,
    ),
    color: Color(0xFF81dc54),
    label: Text(
    "Entrar",
    style: TextStyle(
    color: Colors.white,
    ),
    ),
    ),
    );

    var formLogin = Column(children: <Widget>[
    TextField(
    controller: _userController,
    decoration: InputDecoration(
    suffixIcon: Icon(Icons.account_circle),
    labelText: 'Usuário',
    ),
    ),
    Container(
    margin: EdgeInsets.only(top: 20.0, bottom: 20.0),
    child: TextField(
    obscureText: true,
    controller: _passController,
    decoration: InputDecoration(
    suffixIcon: Icon(Icons.security),
    labelText: 'Senha',
    ),
    ),
    ),
    ]);

    var logoSomaSac = Container(
    margin: EdgeInsets.only(bottom: 30.0, top: 30.0),
    child: Image.asset(
    'images/SomaSac.png',
    alignment: Alignment.center,
    height: 80.0,
    ),
    );

    return Scaffold(
    backgroundColor: Colors.grey[100],
    body: Container(
    alignment: Alignment.center,
    child: ListView(children: <Widget>[
    Container(
    alignment: Alignment.center,
    margin: EdgeInsets.all(40.0),
    padding: EdgeInsets.all(16.0),
    child: Column(
    children: <Widget>[
    logoSomaSac,
    Column(
    children: [
    formLogin,
    btnLogin,
    ],
    ),
    ],
    ))
    ]),
    ));
    }
    }