Two years ago, I began working on a new Twitter client for iPhone, named Streamlines. I hinted at it about a year ago, and has been a driving force in my development of MGTwitterEngine and a ton of open source projects. I've come to the conclusion that I won't have time to finish and release it, as there's still probably another 6 months of development needed to really ship it, and hostility from Twitter and from users of other Twitter clients make effort into building one unsustainable. However, I think there are UI concepts in there which are totally unique and have never been seen before, so I'd like to share them with you before this project is lost to the annals of dead projects.

Here's a video walking through some of the main UI concepts found in Streamlines.

Streamlines is a social networking client that is designed to show you what you want to see, and hide what you don't care about. To do this, it avoids using tab bars and navigation stacks, and instead uses a card interface with a horizontal swipe, similar to the iPhone's Weather app or WebOS' multitasking UI. You pick which timelines you want to see.

On top of that, you can merge multiple timelines together, across all types of timelines, accounts, and services. For example, if you use Lists on Twitter and Facebook to organize, say, your family members, you can create one contiguous timeline which combines both those lists and shows you what your family members are doing, regardless of where they posted it to. Or, you can combine your Twitter followers, mentions, and direct messages together, similar to how Twitterrific works. This saves you time, as it lets you create your own timelines which show you new perspectives on your social networks that you simply can't get with most Twitter clients.

Streamlines tries to make sure you always are looking at the best data, so for every tweet you see on screen, it will update the relative date in real time. So if a tweet is 6 seconds old, it'll update live to say "6s", "7s", "8s", etc. The time is always up to date, so you know how long ago someone actually posted something. Streamlines accounts for API rate limiting, using some advanced heuristics to schedule API requests so that you never run out. This was more a problem two years ago, when you had 30 API requests per hour shared across all your Twitter clients, but still handy. And it handles incoming and outgoing attachments, so if you or someone else embeds content from another site, Streamlines will replace the URL inline with a preview of the image or video.

Under the Hood

Streamlines is backed by two frameworks I wrote, BirdNest and BirdNestUI. They're frameworks because, well, I actually have about 8 apps which use the same Twitter source code, spanning iPhone, iPad, and Mac. This framework tries to encapsulate a lot of functionality - it includes multiple accounts (with credentials stored in the Keychain) spanning multiple services (Twitter and Facebook, with plans to expand into other timeline services like Google Buzz, Foursquare/Gowalla, Yelp, etc.), networking, persistent data, and lots more. It's powered with Core Data and has about 12 open source projects which make up various pieces. The UI framework contains views for showing and creating accounts and timelines, creating tweets or wall posts, and showing timelines in tables (and there's a corresponding UI framework for Mac).

Why Won't It Ship?

There are many reasons. First and foremost, it's at least 6 months out from being released, and that's optimistic. There are lots of bugs, crashes, and UI problems alone, not to mention whole views just not having been built yet. So there's a huge body of work still to be done. I haven't had much opportunity to work on it recently, and there's not much to suggest I'll have more soon.

On top of that, building a Twitter client has become far less appealing than it was two years ago. In those two years, Twitter has drastically increased their feature set to include a TON of things, including geolocation, native retweets, and lists to name a few. The only way to remain competitive is to iterate extremely fast to include every new feature, whenever Twitter announces them. At the same time, Twitter has made several very hostile moves to make it even less appealing to develop on their platform; the most egregious of which was the acquisition of Atebits and their Twitter client Tweetie. There's now such tremendous market saturation for Twitter clients, especially on iPhone. Releasing a new Twitter app now is difficult, as nobody really pays attention to new Twitter clients any more.

Competing with Twitter's free app is hard enough. Even if I could get it to market, there are tons of users who will demand that every feature Twitter offers be crammed into every new release. And everybody's list of must-haves is different; some people will only care about lists, and will rail on you if they can't edit lists. Some will only care about the geolocation feature and if you can put that on a map. Some will only care about native retweets and seeing a list of people who retweeted. Every one of those features, to these users, is a line item on a checklist that needs to exist. To a developer, every one of those features can take weeks or even months to build properly. But every one has to be in there. Oh, and all of those features need to coexist, cleanly, on a small screen, with a fantastic user interface. It is an insanely complex problem to solve.

All of which needs to be built for an app that will not receive much attention, that will be crowded out of the market and will need to be priced cheaply to compensate, and that will be overshadowed by Twitter's own app anyway. There just simply isn't much reason to build a Twitter client anymore. I would much rather spend my time building an app that users will judge for its own merits, not for its completeness in binding to another service.

Going Forward

I'm not sure what to do with Streamlines as it is today. I do think there is a market for niche apps which use Twitter, and I still have some intention of bringing those to market. But I can't say when, and if they ever come, they will not be full Twitter clients.

I'm considering open-sourcing the code, but I'm not convinced of its practicality yet. I'm hesitant to think that someone will want to adopt a monolithic framework for building their own Twitter apps. It's possible they do. But the code is not the cleanest, and there are surely lots of bugs.

That being said, if anyone wishes to build an app with a similar interface, they have my full blessing and encouragement to do it without any permission from or attribution to me needed. I'd like to see more variance in Twitter client UI in general, as the tab bar metaphor is pretty worn at this point.

I would love to hear any and all feedback, positive or negative, either by Twitter or by leaving comments on the YouTube video above. Thanks for watching and reading.


iPhone had the first two store UIs; the iTunes Store for content like music and movies, and the App Store for software. The iPad will add a third, the iBookstore, for buying eBooks. These stores all provide content for users to extend the utility of their device. But each has a pretty different user interaction model for accessing, purchasing, and consuming that content.

  • The iTunes Store is a separate app that is completely distinct from the iPod app. When you find something to buy, prompting you for your iTunes account password. It then adds the purchase to the app's Downloads tab. Once you have purchased the content, you must then switch back to the iPod app to listen to or watch it.
  • The App Store is a separate app. When you purchase something, it prompts you for your iTunes password, and then exits to the home screen, switching to the screen where the app will live. The state of the download is reflected in the app icon. When the download is complete, you tap the icon on the home screen to use it.
  • The iBookstore (the one word is the official name as used by Apple) is not a separate app, but lives within the iBooks app on the iPad. Purchasing content prompts for the iTunes password and downloads in-app, which can be directly accessed after it has finished downloading.

Each type of content follows a different workflow when going from access to purchase to use. If a goal of the iPad's low price is to drive content sales through the three stores, as some speculate is the case, then the purchase model should be as streamlined for the different types of content. Forcing different workflows will only confuse users who can't remember which type of content comes from where.

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I finally got around to fixing my Chyrp installation, so I can resume my bloggingness. I still quite enjoy Chyrp, so I've upgraded it to 2.0 final and am back to using it again. I've made some changes that will hopefully improve the experience.

First, I've removed the ability for people to post comments. Very little good comes of enabling comments; rather, they attract spam and drive-by comments which are unproductive. Most people who do respond will do so via Twitter.

Second, the auto-posting to Twitter is still going to happen. However, many people were understandably annoyed when I would post a link to the blog, and the auto-tweet would post a link to the blog, needing to click another link to get to the actual content. I toyed with the idea of framing the link content, but popular opinion says that it's a greedy and inappropriate thing to do. Instead, I made the following improvements to ensure that links cross-posted will be a little less awful:

  • text posts and project announcements will link to the blog,
  • link posts will have a direct link posted,
  • photo posts will be direct-linked where possible, but will link to the blog if there's no direct link
  • video posts will link to the blog, because YouTube is full of idiots

Third, I've created this site design after a couple months of working on it, named Cream. It's meant to be extremely minimalist and to emphasize the page content. It's nearly complete, and will be open-sourced when it's done.

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Louie Mantia of The Iconfactory just released another freeware icon set, this time in the style of WALL•E. They look simply fantastic.

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