Flutter

Fitz is back again, continuing looking at the Favorites list from the Hacker News app from the last episode. In this episode, clean up the favorites list and add more functionality.

The HN app → https://goo.gle/2MXeNeR

Approximate time stamps:

0:00 - Introduction

1:00 - Starting late? Dependency management!

9:04 - Dependencies Resolved! Let's get coding.

10:18 - Making Favorites list Functional

24:55 - Tap star? Remove Favorite.

27:25 - Actually update UI when a Favorite is removed. A new TODO!

32:28 - Diving into StreamBuilder--again.

36:04 - Let's try setting some random state!

40:45 - Moving on to switching between Favorites and Top/New Stories

47:45 - In which we replace replacementNamed

50:50 - It works! Now to clean it up

52:00 - Let's close the Drawer automagically!

Get started with Flutter → https://flutter.dev

Learn more about the Dart Language → https://goo.gle/2YF9OCi

Try a Flutter codelab → https://goo.gl/d3fHPo

Join the conversation → https://goo.gl/68oUnb

Watch more episodes of the Boring Show here → https://goo.gle/BoringFlutterShow

Subscribe to the Flutter channel → http://goo.gle/FlutterYT

#Flutter #BoringShow #AppDevelopment

In this episode, Fitz shares a couple of UI tweaks, general updates, and rendering the favorite articles page in our long-running Flutter app!

Timestamps:

3:04 - Tracing how the favorites get recorded.

5:56 - Integrating Provider into the FavoritesPage

7:48 - Layout debugging article, by Katie Lee → https://goo.gle/2YBuWeW

9:54 - Start adding into the ListView

16:15 - Addressing the "something off" about the Future using a StreamBuilder

19:15 - Incorporating the ListView "doodads"

Resources:

Get started with Flutter → https://flutter.dev

Learn more about the Dart Language → https://goo.gle/2YF9OCi

Try a Flutter codelab → https://goo.gl/d3fHPo

Join the conversation → https://goo.gl/68oUnb

Layout Debugging Article → https://goo.gle/2YBuWeW

App's source code → https://goo.gle/3aYa6LX

Watch more episodes of the Boring Show here → https://goo.gle/BoringFlutterShow

Subscribe to the Flutter channel → http://goo.gle/FlutterYT

#Flutter #BoringShow #AppDevelopment

Join Andrew Fitz Gibbon with John Ryan and Michael Thomsen for our third and final session of #AskFlutter at Flutter Day 2020.

Resources:

Sound null safety → https://goo.gle/2O9Ib0X

Understanding null safety → https://goo.gle/2Cshi6a

Dart SDK issue tracker → https://goo.gle/2YiTslh

Dart language issue tracker → https://goo.gle/2Y1lFgc

Dart Language Tour - Abstract Classes → https://goo.gle/3anFKSQ

Measuring your app's size → https://goo.gle/311VE2l

Writing HTTP clients & servers → https://goo.gle/2E3vrr2

Chapters:

0:00 Introduction

00:37 What is it that you find interesting or compelling about Null Safety?

02:39 What is the next big feature, after Null Safety, that the Dart team is working on?

06:57 Does the AOT compiler perform a tree shake to remove other platforms' code?

08:25 Will the 'new' keyword be removed at some point in the future?

11:15 Why doesn't Dart have a real multi-threading implementation?

14:45 Is Dart only Flutter, or are there other things you can do with it?

16:29 How do I interface with other things, like C code?

19:21 When will we get a data class feature in Dart?

23:01 Should a 100,000+ line of JSON be serialized on a single thread, or should we use isolates?

24:45 Is there a way to cache the result of an expensive function?

26:43 Why is 'String' capitalized when int, num, etc. are not?

27:33 Is there a way to do function comparisons in Dart?

29:24 If I make my own code Null Safe, how is it possible to still get null runtime exceptions?

32:20 Will Dart classes have a destructor method in the future?

34:54 If Dash flutters until her flutterable wings are flutteringly fluttered, how many flutteriness widgets are left flutterless?

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

#FlutterDay #AskFlutter #Flutter

event: Flutter Day 2020; re_ty: Publish; product: Flutter - General; fullname: Andrew Fitz Gibbon,Michael Thomsen;

The Layout Explorer visualizes how Flex widgets and their children are laid out. Albertus Angga, Flutter Software Engineering Intern, shares the top 3 ways you can use Layout Explorer to debug layout issues while building your app.

Using the Layout Explorer → https://goo.gle/30VsQIw

Learn everything about Flutter at → https://flutter.dev

Subscribe! → http://goo.gle/FlutterYT

Join Andrew Fitz Gibbon with Kenzie Schmoll and Filip Hracek‎ for our second session of #AskFlutter at Flutter Day 2020.

Chapters:

02:08 How can I boost the performance of my Flutter web projects?

06:42 How can we check code coverage for tests?

09:43 What is the difference between Expanded and Flexible?

11:06 Are you planning to add a widget size inspector to the Flutter inspector?

12:23 My app is very shadow-heavy and spends a lot of time doing rastering. How can I speed things up?

14:38 Is there an easy way to implement the changes that were made in the Layout Explorer?

16:23 How do we reduce the app size in release?

21:01 What do you recommend for state management?

26:05 PWA vs Flutter?

27:20 If you took a Flutter app and replaced each of its widgets -- one-by-one -- until they were all replaced, would it still be the same app?

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

#FlutterDay #AskFlutter #Flutter

event: Flutter Day 2020; re_ty: Publish; product: Flutter - General; fullname: Andrew Fitz Gibbon,Filip Hracek;

Join Andrew Fitz Gibbon and John Ryan for our first session of #AskFlutter at Flutter Day 2020.

Resources:

Flutter Day codelabs → https://goo.gle/2DvjhY6

Flutter topic on Codepen → https://goo.gle/3gJTeKT

State management documentation → https://goo.gle/3kEkOMa

Breaking changes → https://goo.gle/3kvvHQk

Add Firebase to your Flutter app → https://goo.gle/3krt2ad

Firebase for Flutter codelab → https://goo.gle/3gHyN1m

Chapters:

0:00 Introduction

00:52 Is there any online platform which will ensure the development of apps using Flutter without installing anything?

03:43 What do you recommend for state management?

06:15 How are we supposed to scale a Flutter website for phone and desktop?

10:05 What are the things that I need to know to consider myself a Senior Flutter Developer?

11:54 How do we cope with frequent changes in the syntax and behavior of different widgets?

13:53 We need more code labs and tutorials for Flutter on the web. Can you point us to the right resource?

15:25 What does first-class support for SVG look like?

17:17 I'm using Flutter to create an app that works with a robot. Do you have any examples or resources for this?

19:09 Where can we see more documentation for using Firebase with Flutter?

21:16 What is a BuildContext?

24:40 Is it possible to interact with Firebase ML Kit in a Flutter app?

26:23 What is the best way to optimize images with Flutter?

29:15 Can we show a better error message than just a red screen with text?

29:55 If a widget tree falls in the forest, but nobody is around to debug it, did it really fall?

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

#FlutterDay #AskFlutter #Flutter

event: Flutter Day 2020; re_ty: Publish; product: Flutter - General; fullname: Andrew Fitz Gibbon;

In this episode, Filip and Fitz are back again, this time looking at debugging. Learn some helpful ways to tackle bugs and some tips and tricks.

Resource:

Flutter Debugging → https://goo.gle/39EHLd1

Approximate time stamps:

1:45 Start-ish

2:55 Fitz talks about print debugging

6:00 Filip talks about the logging he added, and transitions to showing the bug we'll be looking at.

9:40 Fitz introduces what a debugger is

12:20 Fitz talks about what a breakpoint is

14:40 Fitz talks about step-into

16:20 Hypothesizing what force-step-into does

18:30 Stack frames

24:00 -ish Conditional breakpoints

27:30 -ish Async/race condition things

30:00 -ish dart debugger

33:00 Fitz asks about assert

39:50 -ish run to cursor

41:00 Code Deleted is code Debugged!" (Aka, we start making code changes)

48:00 bug is verified as fixed!

49:45 end-ish

Get started with Flutter → https://flutter.dev

Learn more about the Dart Language → https://goo.gle/2YF9OCi

Try a Flutter codelab → https://goo.gl/d3fHPo

Join the conversation → https://goo.gl/68oUnb

Watch more episodes of the Boring Show here → https://goo.gle/BoringFlutterShow

Subscribe to the Flutter channel → http://goo.gle/FlutterYT

#Flutter #BoringShow #AppDevelopment

Hear from Bob and Kevin on the upcoming null-safety feature in Dart.

Resources:

More information on null safety in Dart → https://goo.gle/2O9Ib0X

Bob on Twitter → https://goo.gle/3iN2lvS

Kevin on Twitter → https://goo.gle/2ZdUSOE

Watch More:

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

Speakers:

Kevin Moore, Bob Nystrom

#FlutterDay #dart #darttopic

event: Flutter Day 2020; re_ty: Publish; product: Flutter - General; fullname: Bob Nystrom,Kevin Moore;

Filip's Flutter app is slow—can Kenzie, an engineer on the tooling team, use DevTools to make the app better and faster?

Learn how you can build performant apps in Flutter.

Resource:

Overview → https://goo.gle/2VV33NS

Watch More:

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

Speakers:

Filip Hracek‎, Kenzie Schmoll

#FlutterDay

event: Flutter Day 2020; re_ty: Publish; product: Flutter - General; fullname: Filip Hracek;

Join Zoey, Alex and Mariano to discover how you can create beautiful UIs on CodePen’s new Flutter editor.

Resources:

CodePen Flutter editor → https://goo.gle/2AfFVlo

Mariano’s Flutter Pen collection→ https://goo.gle/3dTksg8

Flutter Day codelabs → https://goo.gle/2B9NavL

Watch More:

Flutter Day sessions → https://goo.gle/FlutterDay2020

Subscribe to the Flutter Channel → http://goo.gle/FlutterYT

Speakers:

Zoey Fan, Alex Vazquez, Mariano Zorrilla

#FlutterDay #FlutterPen

event: Flutter Day 2020; re_ty: Publish; product: Flutter - Development - UI; fullname: Zoey Fan;