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New post on Flutter Dev Google group:

How can I distinguish the difference between Controller and Builder?(newbie)
I read some document about AnimationController、PageController、StreamBuilder、FutureBuilder and so on. But I don't know how can I distinguish the difference between Controller and Builder. For example, AnimationController and PageController why do they all use "Controller" for suffix, it

February 19, 2021 at 10:56AM by 1F LI
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New post on /r/flutterdev subreddit:

crash using Isolate.spawnUri
The following crashes with UI actions are only available on root isolate
. I dont intend to do any ui actions just process some inputs.import 'dart:isolate';
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
var response = ReceivePort();
var remote = Isolate.spawnUri(
Uri.parse('http://192.168.0.100/echo.dart'), ['foo'], response.sendPort);
  remote.then((_) => response.first).then((msg) {
print("received: $msg");
  });
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: Scaffold(
        body: Text("aaaa"),
      ),
    );
  }
}http://192.168.0.100/echo.dart (is accessible from emulator checked)import 'dart:isolate';
void main(List<String> args, SendPort replyTo) {
  replyTo.send(args[0] + 'iis');
}

February 19, 2021 at 11:07AM by Nydedrisean
https://ift.tt/3k3flhS
New post on /r/flutterdev subreddit:

VRouter
Check out vrouter, a routing system close to the one in Vue.js and based on Navigator 2.0On web or mobile, this will make your life easy for everything regarding routing and navigation. Have a look at vrouter.dev for more info.Do not hesitate to contribute or give your feedback!

February 19, 2021 at 10:39AM by Lulupointu
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New post on /r/flutterdev subreddit:

App Feedback Thread - February 19, 2021
This thread is for getting feedback on your own apps.Developers:must provide feedback for othersmust include Play Store, App Store, GitHub, GitLab, or BitBucket linkmust make top level commentmust make effort to respond to questions and feedback from commentersmay be open or closed sourceCommenters:must give constructive feedback in replies to top level commentsmust not include links to other appsTo cut down on spam, accounts who are too young or do not have enough karma to post will be removed. Please make an effort to contribute to the community before asking for feedback.As always, the mod team is only a small group of people, and we rely on the readers to help us maintain this subreddit. Please report any rule breakers. Thank you.- r/FlutterDev Mods

February 19, 2021 at 03:00PM by AutoModerator
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New tweet from FlutterDev:

📺 The #BoringShow is back! 📺

Join @filiphracek and @Fitzface for some paired programming as they discuss adaptive design and walk through the process of creating an adaptive app for various screen sizes and devices.

Watch for more 👉 https://t.co/yxCNKIyawr pic.twitter.com/mU15GgEbd1— Flutter (@FlutterDev) February 19, 2021

February 19, 2021 at 04:00PM
http://twitter.com/FlutterDev/status/1362778978818400258
New post on /r/flutterdev subreddit:

Any package that gives you this "waiting for content" widget?
https://ibb.co/N6f92FBI understand the way to implement it would be using a FutureBuilder, but do you know any package that gives these placeholders as waiting screens?

February 19, 2021 at 05:14PM by fcort
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New post on /r/flutterdev subreddit:

Sketching App Created with Flutter (without dropping frames) @ 60 FPS
https://www.youtube.com/watch?v=21ljOS_-0uY

February 19, 2021 at 05:56PM by jaycoding
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New post on Flutter Dev Google group:

Can any one help me the e-commerce applications and enterprise apps usinggg flutter riverpod State management
Hi, Can any one help me the e-commerce applications and enterprise apps using flutter riverpod State management and bloc pattern. Thanks Shravan Kumar

February 19, 2021 at 07:25PM by shravan kumar Pottala
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New tweet from FlutterDev:

🍲 Get a Michelin star with a taste of what's cooking for #FlutterEngage!

Cook up some special effects recipes & make your Flutter app sizzle. This first Effects recipe shows you how to create an expandable FAB, stay tuned for more!

😋 Prep &rarr; https://t.co/p9OwTaP9hz pic.twitter.com/Kn3rDnUSmK— Flutter (@FlutterDev) February 19, 2021

February 19, 2021 at 08:00PM
http://twitter.com/FlutterDev/status/1362839396123295754
New post on Flutter Dev Google group:

How can I go back to first view in pageview when I go to a different tab from navigation rail widget?
Hello, I have a navigation rail widget that I use to go to different tabs in my app and on a certain tab I have a page view. In the page view I have a carousal. When I go to a different tab the page view page stays the same( ex. If I go to page 2, go to another tab, than come back to the tab with

February 19, 2021 at 09:05PM by Scott J
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New tweet from FlutterDev:

109 packages released null safe versions on https://t.co/XAGXN4ILmv in the past week. Among them:

* google_fonts
* firebase_storage
* camera
* flutter_signin_button
* background_fetch

This takes us to 922 null-safe packages. https://t.co/VM6EXGvoOg— Dart Language (@dart_lang) February 19, 2021

February 19, 2021 at 11:00PM
http://twitter.com/FlutterDev/status/1362884668614410240
New post on /r/flutterdev subreddit:

Lite Editor
Has anyone ever used the LITE editor when developing a Flutter project?If so, what did you think of it? Any particular things you didn't like at all?I use the emulator with MSCODE right now. --thx

February 20, 2021 at 12:10AM by fabrisimo
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