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Facebook Open-Sources Pop, The Animation Engine Behind Paper

Facebook has open-sourced Pop, the animation engine behind the company’s alternative client for iPhone, Paper. Used to power transitions and animations inspired by real-life physics and interactions, Pop has allowed Facebook to build Paper’s popular gestural controls, which have become one of the app’s marquee features. In Paper, many of Facebook’s functionalities are only available through gestures, as the app focuses on content and stories while removing chrome and other standard UI elements in its reimagination of the classic news feed.

Writing on the Facebook Engineering blog, Kimon Tsinteris (co-founder of Push Pop Press, which Facebook acquired in 2011) has explained the motivation behind Pop and the kind of animations it offers to developers willing to implement the framework in their apps:

When I co-founded Push Pop Press in 2010, our goal was to create a realistic, physics-everywhere experience. We wanted a solution that would allow us to evoke the same delightful experience of UIScrollView throughout the whole application. Pop is the latest manifestation of that vision, allowing us to keep the familiar and powerful programming model of Core Animation while also capturing a gesture’s velocity and better reflecting user intent. Paper has given us the opportunity to further refine both the vision and the animation engine behind it.

“Spring” and “decay” are dynamic animations that help bring Paper to life. “Spring” gives Paper elements their attractive bounce. “Decay” brings movement to an eventual slow halt. Both take velocity as an input and are good candidates for realistically responding to user gestures.

According to Tapity’s Jeremy Olson, Pop can be used to “revolutionize the way you think about animation in your app”; Olson has been testing Pop to create animations for Tapity’s upcoming iPhone app, Hours.

Two weeks ago, members of Facebook’s Paper team shared details on the making of Paper and some of the interface, framework, and user experience decisions behind the app in a developer event available on YouTube (embedded above). Facebook will also integrate Pop in Origami, the free design prototyping toolkit used by the Facebook design team to create interactive mockups without programming.

Pop is the latest entry in Facebook’s library of open-source projects, joining KVOController, Shimmer, and Tweaks. Pop is available now on GitHub.


JavaScript Actions In Mr. Reader 3.1

In an update released last week on the App Store, Mr. Reader has gained the ability to execute JavaScript actions based on individual scripts configurable in the app’s Settings. Developer Oliver Fürniß has documented the app’s new JavaScript integration here.

Mr. Reader already was a versatile and capable feed reader for iPad – notably, the app introduced a customizable Services menu that allowed users to set up their own sharing actions with URL schemes. The new JavaScript actions go a step beyond URL schemes as they enable Mr. Reader to store article information in a variety of new ways such as collections that can be copied to the clipboard.

I’m interested to see what Mr. Reader users will come up with to further extend the app. Mr. Reader has clearly taken the power-user approach for feed reading and management on the iPad, and the app remains a highly recommended purchase at $3.99. In the update, Mr. Reader also received native support for OneNote, Reminders, and improved search.

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Eddy Cue and Craig Federighi To Appear at Code Conference

Kara Swisher, announcing the appearance of two Apple executives at Re/code’s conference in late May:

While we already have announced a stellar lineup for the first Code Conference — including General Motors CEO Mary Barra, Microsoft CEO Satya Nadella and Hollywood mogul Ryan Seacrest — here’s another pair to add to the mix: Top Apple execs Craig Federighi and Eddy Cue.

And:

We are very excited to have both Cue and Federighi at the event to talk about a range of things about the company that remains at the center of the action, especially in the important mobile sector. From the shifting entertainment and communications landscape to the fast-moving wearables space to, well, everything digital, these two play a very important role.

As John Gruber notes, the timing won’t allow Federighi and Cue to share details on the company’s announcements for WWDC. However, interviews with Eddy Cue are rare, and it will be interesting to see the duo address questions by Mossberg, Swisher, and the audience on stage.

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Jack for iTunes Connect

New app by Christian Beer to compose and upload descriptions for iOS and OS X apps from your Mac to iTunes Connect.

Managing screenshots with drag & drop. Updating localizations without waiting for page loads. Add sale price intervals via a convenient date picker.

Jack uses the iTunes Connect Transporter tool to communicate with Apple’s backend, storing credentials securely in the OS X Keychain. If you’re a developer, Jack makes it easy to add and edit metadata for localization purposes, select pricing tiers, and manage screenshots with drag & drop from the Finder.

There are some limitations, but overall Jack looks like a handy utility to save time when managing app metadata in iTunes Connect. There’s a free trial (limited to 10 days and 2 uploads), and the app is 40% off until the end of April.

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Rdio To Start Offering Higher Quality Streams

In a post published on their official blog last week, music streaming service Rdio has announced that they’ve started a conversion process to offer their entire catalog in higher quality:

As the initial step in this program, Rdio has begun to convert its entire existing catalog to the AAC format and will deliver 320KbPS as our new standard — without increasing our price. In addition, and as part of our ongoing commitment to the artist community, Rdio will work closely with artists and labels from around the world to continue to raise the bar higher on streaming quality where sufficient network bandwidth exists, and to improve stream delivery in markets around the world where network quality and bandwidth are often inconsistent.

Since its launch, Rdio has always streamed at a highest quality of 192kbps, with variable bitrates for mobile devices. Rdio is the latest music service to start offering 320kbps streams, as both Spotify and Beats Music already provide higher quality to paid subscribers (Beats Music included the option since day one).

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Apple Refreshes MacBook Air With Faster Processor, Cuts Prices In Some Countries

Apple this morning refreshed their MacBook Air models with the latest generation of Intel’s Haswell processors. The new processors give the MacBook Air a slight speed bump, taking them from 1.3GHz to 1.4GHz (and Turbo Boost from 2.6GHz to 2.7GHz). The refreshed models are otherwise the same, offering 128GB or 256GB storage, 4GB of RAM and Intel HD Graphics 5000. Built to order machine options are also unchanged, with upgrades of 8GB of RAM, 512GB storage and a 1.5GHz i7 Processor available.

“With MacBook Air starting at $899, there’s no reason to settle for anything less than a Mac,” said Philip Schiller, Apple’s senior vice president of Worldwide Marketing. “Macs have never been more popular, and today we’ve boosted the performance and lowered the price of MacBook Air so even more people can experience the perfect everyday notebook.”

The four preconfigured models have all taken a $100 price cut in the United States - but those price cuts have not translated to every region, with Australia being one region where the prices of the models stay the same. But that can be explained by the recent weakness in the Australian dollar. The below graph illustrates the comparison between US prices and Australian prices, after converting the Australian prices to a 2014 average of the US Dollar and removing GST (which are included in the Australian prices).

The new MacBook Air models are available for purchase now. You can read Apple’s press release here.


The iPad, The Software, and The Screen

Following a lack of growth for the iPad line in Apple’s latest quarterly report, I’ve seen a number of articles suggest the idea that, in spite of Apple’s best efforts to establish a third product category between the smartphone and the laptop, the iPad is done. That people, after an initial fad of high iPad sales, are showing “no interest” in the tablet form factor because they’re now served well enough by laptops, desktop computers, and larger smartphones. I think that ascribing slower iPad sales in the past few quarters to a generalized lack of interest shows an understandable kernel of concern among tech writers, but also a misunderstanding of the iPad as a device.

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