routes

routes

routes

MaterialApp({ title, color, theme, initialRoute, routes, locale, localizationsDelegates, supportedLocales, onGenerateTitle, home,..})

açıklama

adlandırılmış sayfalar olarak isimlendirilen sayfaların yollarının tanımlandığı map listesi. kısaca uygulamanın sayfaları.

konum

MaterialApp({ title, color, theme, initialRoute, routes, locale, localizationsDelegates, supportedLocales, onGenerateTitle, home,..})

parametreler

//Rout...............................................................................................
   initialRoute:   "/",   // varsayılan ilk açılacak ana sayfa ,
         routes:   {
                      '/sayfabir':  (context) => new SayafaBir(),
                      '/sayfaiki' : (context) => new SayafaIki(),
                      '/sayfauc' : (context) => new SayafaUc(),
                      '/sayfadort' : (context) => new SayafaDort()
                    },

örnek uygulama

anilcan-routes1
anilcanroutes2
 
kaynak: Anılcan Çakır
GitHub: GitHub
medium: Makale

dosya adı:main.dart
import 'package:app/pages/home.page.dart';
import 'package:app/pages/login.page.dart';
import 'package:app/services/auth.service.dart';
import 'package:flutter/material.dart';

AuthService appAuth = new AuthService();

void main() async {
  // Set default home.
  Widget _defaultHome = new LoginPage();

  // Get result of the login function.
  bool _result = await appAuth.login();
  if (_result) {
    _defaultHome = new HomePage();
  }

  // Run app!
  runApp(new MaterialApp(
    title: 'App',
    home: _defaultHome,
    routes: <String, WidgetBuilder>{
      // Set routes for using the Navigator.
      '/home': (BuildContext context) => new HomePage(),
      '/login': (BuildContext context) => new LoginPage()
    },
  ));
}

 
 
dosya adı: home.page.dart

import 'package:app/main.dart';
import 'package:flutter/material.dart';

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) => new Scaffold(
    appBar: new AppBar(
      title: new Text('Home'),
    ),
    body: new Container(
      margin: new EdgeInsets.only(
        top: 50.0
      ),
      alignment: Alignment.center,
      child: new Column(
        children: [
          new Text('Welcome to App!'),
          new FlatButton(
            child: new Text(
              'Logout'
            ),
            onPressed: () {
              appAuth.logout().then(
                  (_) => Navigator.of(context).pushReplacementNamed('/login')
              );
            }
          )
        ],
      ),
    ),
  );
}
 
 
dosya adı: login.page.dart

import 'package:app/main.dart';
import 'package:flutter/material.dart';

class LoginPage extends StatefulWidget {
  @override
  State createState() => new _LoginPageState();
}

class _LoginPageState extends State {
  String _status = 'no-action';

  @override
  Widget build(BuildContext context) => new Scaffold(
    appBar: new AppBar(
      title: new Text('Login'),
    ),
    body: new Container(
      child: new Center(
        child: new RaisedButton(
          child: new Text(
            'Login for App (${this._status})'
          ),
          onPressed: () {
            setState(() => this._status = 'loading');

            appAuth.login().then((result) {
              if (result) {
                Navigator.of(context).pushReplacementNamed('/home');
              } else {
                setState(() => this._status = 'rejected');
              }
            });
          }
        ),
      ),
    ),
  );
}
 
 
dosya adı: auth.service.dart

import 'dart:async';
import 'dart:math';

class AuthService {
  // Login
  Future login() async {
    // Simulate a future for response after 2 second.
    return await new Future.delayed(
      new Duration(
        seconds: 2
      ), () => new Random().nextBool()
    );
  }

  // Logout
  Future logout() async {
    // Simulate a future for response after 1 second.
    return await new Future.delayed(
      new Duration(
        seconds: 1
      )
    );
  }
}
Tags:

Bir cevap yazın