Skip to main content

Dart Developer Summit 2016 Videos: Soundness, AngularDart 2.0, and the Fastest Growing Language at Google

Videos from last month’s Dart Developer Summit are up on YouTube and we thought we’d cherry-pick the highlights for you.

The summit keynote is a summary of all the major news and of the direction the team is taking now. It’s where we announced that Dart is the fastest growing language at Google. Teams switching to Dart report up to twice the productivity and development speed of what they had previously.



Next, AngularDart 2.0 was launched in a presentation by Ferhat Buyukkokten and Matan Lurey. They showed how they made the framework’s output 40% smaller and 15% faster in the 4 months since AngularDart got its own dedicated team. They also showed our 60 fps table using setState(), and the new testing framework called NgTestBed.



Later in the day, Ted Sander launched AngularDart Components — the material design widgets Google is using in customer-facing apps like AdWords and AdSense. Hundreds of Google engineers work with these components every day. Watch the video to learn how they make our teams more productive, and our web apps more performant.



If you’re interested  in language design, watch Sound Dart, a talk by Leaf Petersen in which he explains Dart’s strong mode. With strong mode, Dart’s type system becomes sound, so that when you write types they are guaranteed to be correct (while still allowing you to write dynamically typed code where you want the flexibility). This differentiates strong-mode Dart from many popular compile-to-JavaScript languages, and improves both performance and developer productivity.



Another presentation that made waves was the Flutter keynote from Day 2 of the summit. Eric Seidel impressed the audience by showing just how fast mobile development can be with Flutter.



After Eric’s talk, John McCutchan and Todd Turnidge went into details about Flutter hot reloading. They also showed, for the first time, code rewind in Dart.



These are just 6 out of the 18 talks that are available on YouTube. For example, Will Ekiel’s talk titled Learnings from building a CRM app at Google gives a perspective on managing a product built with Dart and deploying it across both web and mobile. Another interesting practical presentation on using Dart in production is the one given by Faisal Abid and Kevin Birch about their large-scale JS-to-AngularDart rewrite. And the list goes on.

We’re very happy how the event went, and we’re already looking forward for next year’s summit. In the meantime, follow our blog, our Twitter account, our G+ page, or join the conversation in any other way. We want to hear from you.

Thanks for building in Dart.


Cross-posted from Google Developers Blog.

Comments

Popular posts from this blog

Const, Static, Final, Oh my!

Posted by Seth Ladd

(This is an "oldie but a goodie" misc@dartlang.org post originally written by Bob Nystrom. It is being posted here as the explanations still ring true.)

Bob writes:


"static", "final", and "const" mean entirely distinct things in Dart:

"static" means a member is available on the class itself instead of on instances of the class. That's all it means, and it isn't used for anything else. static modifies *members*.

"final" means single-assignment: a final variable or field *must* have an initializer. Once assigned a value, a final variable's value cannot be changed. final modifies *variables*.

"const" has a meaning that's a bit more complex and subtle in Dart. const modifies *values*. You can use it when creating collections, like const [1, 2, 3], and when constructing objects (instead of new) like const Point(2, 3). Here, const means that the object's entire deep state can be determ…

Dart 1.12 Released, with Null-Aware Operators and more

Dart 1.12.0 is now released! It contains the new null-aware operators language feature, and enhancements to pub, Observatory, dartdoc, and much more.

Null-aware operators

The new null-aware operators help you reduce the amount of code required to work with references that are potentially null. This feature is a collection of syntactic sugar for traversing (potentially null) object calls, conditionally setting a variable, and evaluating two (potentially null) expressions.

Click or tap the red Run button below to see them in action.

??

  if null operator. `expr1 ?? expr2` evaluates to `expr1` if not `null`, otherwise `expr2`.


??=

  null-aware assignment. `v ??= expr` causes `v` to be assigned `expr` only if `v` is `null`.

x?.p

  null-aware access. `x?.p` evaluates to `x.p` if `x` is not `null`, otherwise evaluates to `null`.

x?.m()

  null-aware method invocation. `x?.m()` invokes `m` only if `x` is not `null`.

Learn more about Dart's null-aware operators in our Language Tour.

.packages fi…

The new AdWords UI uses Dart — we asked why

Google just announced a re-designed AdWords experience. In case you’re not familiar with AdWords: businesses use it to advertise on google.com and partner websites. Advertising makes up majority of Google’s revenue, so when Google decides to completely redo the customer-facing front end to it, it’s a big deal. The Dart team is proud to say that this new front end is built with Dart and Angular 2. Whenever you asked us whether Google is ‘even using Dart for anything,’ this is what we had in mind but couldn’t say aloud. Until now. We asked Joshy Joseph, the primary technical lead on the project, some questions. Joshy is focusing on things like infrastructure, application latency and development velocity, so he’s the right person to ask about Dart.Q: What exactly did we launch on Monday?It’s a complete redesign of the AdWords customer experience that is rolling out slowly as a test to a small initial set of advertisers. The most noticeable thing is probably the Material Design look and f…