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open on board screen only if user is opening app for the first time

Foolish Fish answered on October 28, 2021 Popularity 1/10 Helpfulness 1/10

answer open on board screen only if user is opening app for the first time

related open on board screen only if user is opening app for the first time

open on board screen only if user is opening app for the first time

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import 'dart:async';

import 'package:after_layout/after_layout.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      color: Colors.blue,
      home: new Splash(),
    );
  }
}

class Splash extends StatefulWidget {
  @override
  SplashState createState() => new SplashState();
}

class SplashState extends State<Splash> with AfterLayoutMixin<Splash> {
  Future checkFirstSeen() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    bool _seen = (prefs.getBool('seen') ?? false);

    if (_seen) {
      Navigator.of(context).pushReplacement(
          new MaterialPageRoute(builder: (context) => new Home()));
    } else {
      await prefs.setBool('seen', true);
      Navigator.of(context).pushReplacement(
          new MaterialPageRoute(builder: (context) => new IntroScreen()));
    }
  }

  @override
  void afterFirstLayout(BuildContext context) => checkFirstSeen();

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: new Center(
        child: new Text('Loading...'),
      ),
    );
  }
}

class Home extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Hello'),
      ),
      body: new Center(
        child: new Text('This is the second page'),
      ),
    );
  }
}

class IntroScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('IntroScreen'),
      ),
      body: new Center(
        child: new Text('This is the IntroScreen'),
      ),
    );
  }
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: screen time whatever

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Contributed on Oct 28 2021

Foolish Fish

0 Answers Avg Quality 2/10

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open on board screen only if user is opening app for the first time

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class SplashState extends State<Splash> {
  Future checkFirstSeen() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    bool _seen = (prefs.getBool('seen') ?? false);

    if (_seen) {
      return HomeScreen.id;
    } else {
        // Set the flag to true at the end of onboarding screen if everything is successfull and so I am commenting it out
      // await prefs.setBool('seen', true);
      return IntroScreen.id;
    }
  }

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
        future: checkFirstSeen(),
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.waiting) {
            return Center(
              child: CircularProgressIndicator(),
            );
          } else {
            return MaterialApp(
              initialRoute: snapshot.data,
              routes: {
                IntroScreen.id: (context) => IntroScreen(),
                HomeScreen.id: (context) => HomeScreen(),
              },
            );
          }
        });
  }
}

class HomeScreen extends StatelessWidget {
static String id = 'HomeScreen';
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Hello'),
      ),
      body: new Center(
        child: new Text('This is the second page'),
      ),
    );
  }
}

class IntroScreen extends StatelessWidget {
static String id = 'IntroScreen';
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('IntroScreen'),
      ),
      body: new Center(
        child: new Text('This is the IntroScreen'),
      ),
    );
  }
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: screen time whatever

Link to this answer
Share Copy Link

Contributed on Oct 28 2021

Foolish Fish

0 Answers Avg Quality 2/10

open on board screen only if user is opening app for the first time

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open on board screen only if user is opening app for the first time

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open on board screen only if user is opening app for the first time

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