api

It’s been awhile since we’ve shared any updates on Itsdagram, the full-featured Instagram client for Windows Phone that is being written by Daniel Gary as we speak.

The app's development is rolling right along with regular updates (private beta, sorry) and we figured we would share some of it with you.

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This one has been brewing for a while and it seems that the rhetoric is now stepping up as Microsoft and Google prepare to do battle. The stage has been set and much of the coming drama will focus on Windows Phone.

Microsoft has today written publically about Google’s direct refusal to open up YouTube access so that Windows Phone users can easily use the service when mobile, something we first reported back in March 2011. The plot thickens when we learn that Microsoft has a high quality YouTube app ready to release. Don’t be evil, read on past the break to find out more.

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We mentioned Tweetro recently when we interviewed developer house LazyWorm Apps who are also behind the Windows Phone app MetroTube. The Twitter client is meant for Windows 8 and runs quite well on RT devices like the Surface. Unfortunately, it has also stopped working.

That’s not the fault of the developers though but rather due to in part to two reasons (1) it’s very popular (as is the OS) and (2) Twitter has a 100K token cap.  Long story short, Twitter implemented new changes to how their API is used for third-party apps and it's causing problems--if an app goes over that "token limit", they get shut down and stop working.

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Problems with Windows 8 Twitter apps reported

We have been contacted by developer of Cowlick! And glƏƏk! to advise us of some problems that are being seen with their Windows 8 Twitter clients.

We understand that the problem is also affecting other Windows 8 clients such as TweeTRO also.

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Twitter has announced some sweeping changes to their all-important application programming interface or just API. This API is essential plumbing to allow application developers access to the “fire hose” of data from twitter. It has been no secret that Twitter wish to tighten their grip ever more over whom can access their system. With their latest set of guidelines, they show they mean business.

As Windows Phone users, we are literally spoilt for choice when it comes to third party twitter apps, with the likes of Rowi, Carbon, glƏƏk!, Mehdoh and Birdsong (to name drop a few). The new API could mean real headaches for those trying to differentiate with their Twitter client...

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The new SkyDrive login screen

Two weeks ago Hotmail became Outlook.com with a new Metro…errr..modern look to it and now it is finally time for SkyDrive to get the same makeover.

Heading to www.skydrive.com you can see the new site redesign (log out and refresh if you are not seeing it) that brings it up to par with the Windows 8, Windows Phone and Outlook’s new appearance. And yes, Microsoft is not calling it Metro but rather are using ‘modern’ instead—take that as you will.

Besides the new look, SkyDrive also gets some new features on board including instant search, contextual toolbar, thumbnail multi-select, drag-and-drop organization, and HTML5 sorting which should make the service is more fun to use.

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In what should be a very exciting addition for developers, Windows Phone 8 will finally give access to Voice Command (aka TellMe).

According to the leaked Windows Phone 8 SDK, developers can add functions to their app that uses the Voice Command feature, enabling customers to launch the app with a sub-query which will take them to a specific area of the app:

"Users can use voice commands to both launch your app and execute an action. For example, a user using the Contoso Widgets app could press the Start button and say "Contoso Widgets, show best sellers" to both launch the Contoso Widgets app and navigate to a 'best sellers' page, or some other action that the developer specifies."

(An example of this would be Jay Bennett adding a feature to our WPCentral app whereby you hold the Start button to access Voice Command (TellMe) and say “WPCentral, go to reviews”).

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The Windows Phone 8 SDK Preview has been leaked on the Internet today before being released in the coming weeks. What's included in the upcoming version? 

App Development

Windows Phone 8 Developer Preview supports native C++ development and is able to support a significant subset of the Windows 8 SDK, allowing developers to share a significant amount of code between apps on Windows Phone and Window 8. The lack of native development support in Windows Phone 7.x has proven to be an issue with developers in the past, which has now been recognised by Microsoft.

The SDK Preview reduces the need to port and maintain components such as compute engines, graphic libraries, and API sets. Direct3D is also making its way to Windows Phone, which will enable developers to create and release games built using DirectX and share code base between PC titles (D2D, DWrite and WIC aren't supported). The supported vertex shader model version is 2.0, as is the pixel shader.

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As we parse our way through the new Windows Phone 8 SDK which was leaked this morning, we’re starting to get an idea of some of the new features.

One of those is Camera Lenses, a method by which developers can add a “mini app” of sorts to within in the camera function. This will allow devs to have much more creative control over the Windows Phone camera app, allowing the creation of unique augmented reality apps and filters to really add a customized experience.

Head past the break to read the excerpts from the SDK…

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Backing up app data on SkyDrive--not cool with Microsoft?

An interesting controversy spring up over at the AppHub forums over the use of SkyDrive for backing up app data—not so much photos and documents (which is fine) but rather unintelligible files created by apps for app-specific data.

The crux of it was someone from the SkyDrive team made a comment that using SkyDrive for such a purpose goes against the user agreement for the API and it could result in the Windows Phone app being yanked from the Marketplace.

Justin Angel, Principal Engineer for Windows Phone experience at Nokia, fervently objected to this idea noting

“As SkyDrive API usage is not part of the Application Certification Guidelines I resent that team threatening app developers with expulsion from the marketplace for misuse of their API.”

It’s certainly a good point although we see the reasoning behind the SkyDrive team’s position. Luckily things are not as dire as expected.

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We received a few reports from users that the excellent reminder + scheduling apps TVShow and PrimeTV are both "broken" right now. Specifically, when users try to update the app to pull down their customized TV schedules, they are met with an error message that they cannot connect to the servers.

We reached to TVShow's developer Rudy Huyn about the matter and we were given a simple explanation. In short, both apps use the site TVRage for their information and that API is currently undergoing maintenance

There's no word on when it will be back but rest assured it should return. Until then, there's not much it seems either developer can do until TVRage flips the switch again.

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If you're a Windows Phone 7 developer, you would probably have heard us talk about this Kirkland, Wash. startup. To recap, it was founded by David McLauchlan (CEO), and Jeff MacDuff (CTO). Both are former Microsoft employees with Dave doing work on the Zune hardware business amongst others, and Jeff working on a range of products including that Windows Phone 7 you're clutching.

Although the platform has been out since last year, up until now it has been in beta. But today they have finally hit v1, along with a bunch of exciting announcements.

So what's new? Well, in addition to the info in the quote below, Buddy has now got support for the Aviary image filters - which has recently been included in Rowi. Along with that, there is now a native .NET SDK which makes it absolutely painless to use the platform in your own app, plus is the first SDK that supports Windows 8! I have personally used the SDK in a Windows 8 app, and it was simpler than the time I stole candy from a baby (I didn't really, promise). The SDK also successfully passes the Windows App Certification Kit (WACK), which is required to publish apps into the Store, and is failed by pretty much every other 3'rd party library due to broken dependencies.

We know what you're thinking though...what good is a press release without an infographic? So we have two, just for you (and the thousands of others like you)...

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Readers alerted us to the disappearance of Pinsation, a third-party Windows Phone Pinterest app, from the Marketplace. While it has almost become the norm for apps to mysteriously vanish from public view without explanation, it was odd to see such a well received app disappear when apps with familiar functionality remain.

We contacted the developer of Pinsation, Daniel Gary, for any details surrounding the disappearance and were told something that sounded awfully similar to issues we've covered previously. According to Gary, Pinterest has locked down their API to prevent access from third-party apps on any platform other than iOS.

There problem occurs when you try to login to the service using Facebook or Twitter. In short, you'll receive and authentication error telling that there was an issue logging you in. The app spits you back to browsing the Pinterest site but you are unable to do so logged into an account (we imagine authenticated accounts, done by invite only, may still work).

Gary also mentioned that developers are working together to try and find a solution to this issue. For the time being you may encounter problems when attempting to use Pinterest apps on Windows Phone (or other platforms).

We'll keep you guys up-to-date with any further information we receive / find out.

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Do you use MetroRadio and/or RadioControlled for your Pandora interaction on Windows Phone? Then you may (or may not) have noticed that those apps have stopped working...again.

Reason? Simple, really. These apps use undocumented APIs to access the Pandora service. Pandora, for whatever reason, changes them on occasion breaking app functionality. Are they doing it on purpose to disrupt these apps? Who knows, maybe or maybe not. What we do know is that it means you'll have to wait till both developers update their apps to fix it and from what we've heard, both devs are hard at work on fixing it.

Until then, MetroRadio is "hidden" from the Marketplace and RadioControlled has submitted their fix (and "future proofed" it against this type of situation occurs again).  Stay tuned though, we'll give you a tour of the new working Radio Controlled soon enough.

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Something's amiss about Twitter...

Consider this a public announcement fellow Windows Phone users, you might notice some strange behaviour in several of your favourite Twitter-enabled apps, ours included.

We kept an eye on this story yesterday when we were alerted by Chris Field (the mind behind MehDoh) that he was spotting errors being returned by the Hammock library (a popular .NET library used for accessing RESTful web services). Specifically, it appears that Twitter have changed their API slightly, or introduced a small bug, which is causing errors when users try and log in to Twitter within third party apps.

The issue is not affecting everyone. In fact I can authorise all my Twitter apps and use all tweeting, replying and retweeting functionality, however I've also seen users of our v2.0 app beta sending me bug reports that are caused by this issue. If it happens to you, try again, it might authorise second time around.

Jump past the break if you want to know more...

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Developing cross platform apps just got that bit easier with the announcement that the PhoneGap community have released v1.3 of their open source framework for Windows Phone, bringing with it all features of the API.

For those wondering what PhoneGap is all about, the simplest explanation is that it's a development framework based around HTML5, CSS and javascript. This means that if you feel comfortable creating web pages in HTML5 you can now try your hand at Windows Phone Development (or if you wanted an alternative to C# and XAML coding). Of course as the framework is available across several smartphone operating systems you can then port your application to the majority of the smartphone-weilding public.

Going one step further, there is some plugin support for searching with Bing maps as well as live tile implementations, allowing PhoneGap developers to take advantage of some of Windows Phone's unique features should they so desire. Finally, as Jesse MacFadyen details in his blog, existing Silverlight controls (such as advertising banners etc) can be integrated with PhoneGap apps.

What does this mean for consumers? With the Smartphone market expanding whilst still supporting so many ecosystems, developers are increasingly keen to keep things cross platform, rather than write an app for each OS. With frameworks such as PhoneGap now supporting Windows Phone fully, we will start to see these apps finding their way to our devices of choice.

Are you keen to try developing a Windows Phone app using web tools, or do you have an oppinion on cross platform apps versus bespoke developed apps? Let us know in the comments below!

Source: MSDN, via WMPowerUser

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Heathcliff74, a member over at the XDA Developers forum, has published an in-depth tutorial for developers who may wish to improve homebrew apps using native Mango code. It's a step-by-step guide that will enable homebrew apps take full advantage of native Mango code and APIs.

While this tutorial has been available since October 11th, it's worth mentioning after the release of the homebrew screen capture utility. Note that this isn't a tutorial for building homebrew executables, but how to utilise native code DLLs from within the Silverlight app.

Source: XDA Developers forum, via: Windows Phone Daily

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Anyone who's used the Dell Venue Pro know its a love-hate relationship. And  just as things were looking up for the device with Mango and some new firmware, a new issue has cropped up, one that has been bothering us too.

The compass doesn't work. For any app. No Stars 3D, no compass, no augmented-reality, nothing.

The compass drive and API are up to the OEM to provide which is why when you update to Mango you get two updates: the OS and the firmware. And while Dell did deliver the firmware (jumping from 212 to 219) they evidently botched it with the compass driver, as is becoming obvious for many users.

Now at XDA, some sleuthing has in fact shown this to be the case. Mitchell S., has taken a look at the log during the Mango setup and found this:

**** Starting IMGFS Update @ 16:46:58 ****

Deleting file compassDrv.dll.  &$^4?!

CustomSettings.cab.pkg->5E542BF4-046F-41AA-8BB7-FFB031E0F024.rgu @ 16:46:59

Setting invalid OS state

QC_8x50_OS_SHIP.cab.pkg->D3F0E60E-DE7C-11DF-930A-3D26E0D72085.rgu @ 16:46:59

CustomIcon.cab.pkg->05E12A31-F993-40A4-8A58-136879E5CCEC.rgu @ 16:46:59

Even if that wasn't the reason, it still doesn't explain why our compass is locked at 100 degrees. What say you, Dell? Are we going to have to wait another six-months for this to be fixed?

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TouchDevelop updated to v2.2

TouchDevelop (previously known as TouchStudio when released) is a script generation app that allows users to create and run scripts that perform a wide variety of functions. The app has just been updated to version 2.2 and brings the following to the table:

  • Tutorial mode that guides you while you create your very first script
  • Code editor improvements: Swipe horizontally between actions in action editor, and vertically between statements in calculator; add new statements directly from calculator by tapping under the current expression
  • Events! Instead of writing infinite loops, you can now write actions that get invoked when certain external events are triggered

You can download TouchDevelop for free from the Marketplace.

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Hussein over at WinMobile.se got in touch with Brandon Watson via Twitter with regards to LED (flashlight) API support in Mango for developers to use. While fairly obvious, it seems as though developers will not be able to manipulate the LED due to no API being available.

Then again, do we need the API? Microsoft could release a free torch app that would use the LED backlight in favor of "white screen" apps currently available. 

Source: WinMobile.se

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