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[[File:Internet Explorer Mobile 9.png|thumb|upright|Internet Explorer Mobile on Windows Phone]]
[[File:Internet Explorer Mobile 9.png|thumb|upright|Internet Explorer Mobile on Windows Phone]]
{{See also|Internet Explorer Mobile}}
{{See also|Internet Explorer Mobile}}
Windows Phone 7.5 features a version of [[Internet Explorer Mobile]] with a rendering engine that is based on [[Internet Explorer 9]].<ref name="redial">{{cite web |url= http://www.engadget.com/2011/06/27/windows-phone-7-5-mango-in-depth-preview-video/ |first= Brad |last= Molen |title= Windows Phone 7.5 Mango in-depth preview |date= February 15, 2010 |work= [[Engadget]] |publisher= [[AOL]] |accessdate= February 19, 2010}}</ref>
Windows Phone 7.5 features a version of [[Internet Explorer Mobile]] with a rendering engine that is based on [[Internet Explorer 9]] (Internet Explorer 10 in Windows Phone 8).<ref name="redial">{{cite web |url= http://www.engadget.com/2011/06/27/windows-phone-7-5-mango-in-depth-preview-video/ |first= Brad |last= Molen |title= Windows Phone 7.5 Mango in-depth preview |date= February 15, 2010 |work= [[Engadget]] |publisher= [[AOL]] |accessdate= February 19, 2010}}</ref>


Internet Explorer on Windows Phone allows the user to maintain a list of favorite web pages and tiles linking to web pages on the Start screen. The browser supports up to 6 tabs, which can all load in parallel.<ref>{{cite video |first= Brandon |last= Miniman |date= August 23, 2010 |title= Exclusive: Windows Phone 7 Web Browser Comparison |url= http://pocketnow.com/windows-phone/exclusive-windows-phone-7-web-browser-comparison |publisher= Pocketnow |accessdate= October 27, 2011 |time= 1:21}}</ref> Other features include multi-touch gestures, a streamlined UI, smooth zoom in/out animations, the ability to save pictures that are on web pages, share web pages via email, and support for inline search which allows the user to search for a word or phrase in a web page by typing it.<ref>{{cite video |url= http://pocketnow.com/software-1/first-look-internet-explorer-on-windows-phone-7-series |first= Brandon |last= Miniman |title= First Look: Internet Explorer on Windows Phone 7 Series |publisher= Pocketnow |date= March 15, 2010 |accessdate= September 19, 2010}}</ref> Microsoft has announced plans to regularly update the Windows Phone web browser and its layout engine independently from the Windows Phone Update system.<ref>{{cite web |url= http://blogs.msdn.com/b/iemobile/archive/2010/05/11/update-css-and-js-support-in-ie-mobile-for-windows-phone-7.aspx#10012087 |title= Update: CSS and js support in ie Mobile for Windows Phone 7 |first= Joe |last= Marini |work= IE for Windows Phone Team Weblog |publisher= [[Microsoft]] |date= May 12, 2010 |accessdate= July 23, 2012}}</ref>
Internet Explorer on Windows Phone allows the user to maintain a list of favorite web pages and tiles linking to web pages on the Start screen. The browser supports up to 6 tabs, which can all load in parallel.<ref>{{cite video |first= Brandon |last= Miniman |date= August 23, 2010 |title= Exclusive: Windows Phone 7 Web Browser Comparison |url= http://pocketnow.com/windows-phone/exclusive-windows-phone-7-web-browser-comparison |publisher= Pocketnow |accessdate= October 27, 2011 |time= 1:21}}</ref> Other features include multi-touch gestures, a streamlined UI, smooth zoom in/out animations, the ability to save pictures that are on web pages, share web pages via email, and support for inline search which allows the user to search for a word or phrase in a web page by typing it.<ref>{{cite video |url= http://pocketnow.com/software-1/first-look-internet-explorer-on-windows-phone-7-series |first= Brandon |last= Miniman |title= First Look: Internet Explorer on Windows Phone 7 Series |publisher= Pocketnow |date= March 15, 2010 |accessdate= September 19, 2010}}</ref> Microsoft has announced plans to regularly update the Windows Phone web browser and its layout engine independently from the Windows Phone Update system.<ref>{{cite web |url= http://blogs.msdn.com/b/iemobile/archive/2010/05/11/update-css-and-js-support-in-ie-mobile-for-windows-phone-7.aspx#10012087 |title= Update: CSS and js support in ie Mobile for Windows Phone 7 |first= Joe |last= Marini |work= IE for Windows Phone Team Weblog |publisher= [[Microsoft]] |date= May 12, 2010 |accessdate= July 23, 2012}}</ref>

Revision as of 14:32, 14 November 2012

For the current version of Windows Phone, see Windows Phone 8.

Windows Phone
Windows Phone logo
DeveloperMicrosoft Corporation
Written inC, C++[1]
Working stateCurrent
Source modelClosed-source
Latest releaseWindows Phone 8.0/7.8 / October,29,2012
Available in25+ languages[2]
Package managerZune Software
PlatformsQualcomm Snapdragon (Based on ARM V.7 or later)
Kernel typeMonolithic (Windows CE) (Windows Phone 7) Hybrid (Windows NT) (Windows Phone 8)
Default
user interface		Graphical (Metro-style)
LicenseCommercial proprietary software
Succeeded byWindows Phone 8
Official websitewww.windowsphone.com

Windows Phone is a family of mobile operating systems developed by Microsoft, and is the successor to its Windows Mobile platform,[4] although incompatible with it.[5] Unlike its predecessor, it is primarily aimed at the consumer market rather than the enterprise market.[6] It was first launched in October 2010, with a release in Asia following in early 2011.[7]

With Windows Phone, Microsoft created a new user interface, featuring its design language called Modern Style UI. Additionally, the software is integrated with third party services and Microsoft services, and sets minimum requirements for the hardware on which it runs.[8]

History

See also: Windows Phone version history
Timeline of Windows Phone 7 related events (7.8 not included)

Development

Work on a major Windows Mobile update may have begun as early as 2004 under the codename "Photon", but work moved slowly and the project was ultimately cancelled.[9] In 2008, Microsoft reorganized the Windows Mobile group and started work on a new mobile operating system.[10] The product was to be released in 2009 as Windows Phone, but several delays prompted Microsoft to develop Windows Mobile 6.5 as an interim release.[11]

Windows Phone was developed quickly. One result was that the new OS would not be compatible with Windows Mobile applications. Larry Lieberman, senior product manager for Microsoft's Mobile Developer Experience, told eWeek: "If we'd had more time and resources, we may have been able to do something in terms of backward compatibility."[12] Lieberman said that Microsoft was attempting to look at the mobile phone market in a new way, with the end user in mind as well as the enterprise network.[12] Terry Myerson, corporate VP of Windows Phone engineering, said, "With the move to capacitive touch screens, away from the stylus, and the moves to some of the hardware choices we made for the Windows Phone 7 experience, we had to break application compatibility with Windows Mobile 6.5."[13]

Launch and expansion

Microsoft officially unveiled the new operating system, Windows Phone 7 Series, at the Mobile World Congress in Barcelona on February 15, 2010,[14] and revealed additional details at MIX 2010 on March 15, 2010. The final SDK was made available on September 16, 2010.[15] HP later decided not to build devices for Windows Phone, citing that it wanted to focus on devices for its newly purchased webOS.[16] As its original name was criticized for being too complex and "wordy", the name of the operating system was officially shortened to just Windows Phone 7 on April 2, 2010.[17]

On October 11, 2010, Microsoft's CEO Steve Ballmer announced the 10 launch devices for Windows Phone 7, made by HTC, Dell, Samsung, and LG, with sales beginning on October 21, 2010 in Europe and Australia and November 8, 2010 in the United States. The devices were made available on 60 carriers in 30 countries, with additional devices to be launched in 2011.[18] Upon the release of Windows Phone 7's "Mango" revision, additional manufacturers became partners, including Acer, Fujitsu, and ZTE.[19]

Windows Phone initially supported twenty-five languages, with applications being available through Windows Phone Store in 35 countries and regions. Support for additional languages and regions were subsequently brought through both the Mango and Tango updates to the OS respectively.[20][21]

At the 2011 Mobile World Congress, Steve Ballmer announced a major update to Windows Phone 7 due toward the end of the year, Windows Phone 7.5, codenamed Mango.[22] The new OS would address many of the platform's shortcomings, including a mobile version of Internet Explorer 9 that supports the same web standards and graphical capability as the desktop version, multi-tasking of third-party apps,[23][24] Twitter integration for the People Hub,[25][26][27] and Windows Live SkyDrive access.[28]

A minor update released in 2012 known as "Tango", along with other bugfixes, would also lower the hardware requirements to allow for devices with 800 MHz CPUs and 256 MB of RAM to run Windows Phone. Certain resource-intensive features are also disabled on these phones, and the Windows Phone Store will also prevent the installation of apps that are considered to be too intensive for use on weaker hardware.[29] The lower requirements were adopted in order to allow the development of lower-cost devices, particularly to target emerging markets such as China.[30]

Partnership with Nokia

On February 11, 2011, at a press event in London, Microsoft CEO Steve Ballmer and Nokia CEO Stephen Elop announced a partnership between their companies in which Windows Phone would become the primary smartphone operating system for Nokia.[31] The event was largely focused on creating "a new global mobile ecosystem", suggesting competition with Android and iOS by saying "It is now a three horse race".

Integration of Microsoft services with Nokia's own services were announced; specifically that Bing would power search across Nokia devices, and an integration of Nokia Maps with Bing Maps, as well as Nokia's Ovi store being integrated with the Windows Phone Store.[31] The partnership involves "funds changing hands for royalties, marketing and ad-revenue sharing", which Microsoft later announced was, "measured in billions of dollars."[32] The first Nokia Windows phones, the Lumia 800 and Lumia 710, were announced in October 2011 at Nokia World 2011 event.[33][34] At the Consumer Electronics Show in 2012 Nokia announced the Lumia 900, featuring a 4.3-inch AMOLED ClearBlack display, a 1.4 GHz processor and 16 GB of storage.[35] The Lumia 900 was one of the first Windows Phones to support LTE and was released on AT&T on April 8.[36] An international version will launch in Q2 2012, with a UK launch expected in May.[37] The Lumia 610 is the first Nokia Windows Phone to run the Tango Variant (Windows Phone 7.5 Refresh) and is aimed at emerging markets.

Windows Phone 8

Main article: Windows Phone 8

On June 20, 2012, Microsoft unveiled Windows Phone 8, a new generation of the operating system for release later in 2012. Windows Phone 8 will replace its previously Windows CE-based architecture with one based off the Windows NT kernel with many components shared with Windows 8, allowing applications to be easily ported between the two platforms.

Features

User interface

Windows Phone features a new user interface, based upon Microsoft's Windows Phone design system, codenamed Modern Style UI.[38] The home screen, called the "Start screen", is made up of "Live Tiles", which have been the inspiration for the Windows 8 live tiles. Tiles are links to applications, features, functions and individual items (such as contacts, web pages, applications or media items). Users can add, rearrange, or remove tiles.[39] Tiles are dynamic and update in real time – for example, the tile for an email account would display the number of unread messages or a tile could display a live update of the weather.[40]

Several features of Windows Phone are organized into "hubs", which combine local and online content via Windows Phone's integration with popular social networks such as Facebook, Windows Live, and Twitter.[40] For example, the Pictures hub shows photos captured with the device's camera and the user's Facebook photo albums, and the People hub shows contacts aggregated from multiple sources including Windows Live, Facebook, and Gmail. From the Hub, users can directly comment and 'like' on social network updates. The other built-in hubs are Xbox Music and Video, Xbox Live Games, Windows Phone Store, and Microsoft Office.[40]

Windows Phone uses multi-touch technology.[40] The default Windows Phone user interface has a dark theme that prolongs battery life on OLED screens as fully black pixels don't emit light.[41] The user may choose a light theme instead, and can also choose from several accent colors.[42] User interface elements such as tiles are shown in the user's chosen accent color. Third-party applications can be automatically themed with these colors.[43]

Text input

Users input text by using an on-screen virtual keyboard, which has a dedicated key for inserting emoticons,[44] and features spell checking[44] and word prediction.[45] App developers (both inhouse and ISV) may specify different versions of the virtual keyboard in order to limit users to certain character sets, such as numeric characters alone. Users may change a word after it has been typed by tapping the word,[46] which will invoke a list of similar words. Pressing and holding certain keys will reveal similar characters. The keys are somewhat larger and spaced farther apart when in landscape mode. Phones may also be made with a hardware keyboard for text input.[47]

Messaging

Windows Phone 7.5 supports "threads", a system for allowing a conversation with a person to be held through multiple platforms (such as Windows Live Messenger, Facebook messaging, or SMS within a single thread, dynamically switching between services depending on availability.

Web browser

Internet Explorer Mobile on Windows Phone
See also: Internet Explorer Mobile

Windows Phone 7.5 features a version of Internet Explorer Mobile with a rendering engine that is based on Internet Explorer 9 (Internet Explorer 10 in Windows Phone 8).[48]

Internet Explorer on Windows Phone allows the user to maintain a list of favorite web pages and tiles linking to web pages on the Start screen. The browser supports up to 6 tabs, which can all load in parallel.[49] Other features include multi-touch gestures, a streamlined UI, smooth zoom in/out animations, the ability to save pictures that are on web pages, share web pages via email, and support for inline search which allows the user to search for a word or phrase in a web page by typing it.[50] Microsoft has announced plans to regularly update the Windows Phone web browser and its layout engine independently from the Windows Phone Update system.[51]

In a demo, Microsoft said that users will be able to stream YouTube videos from the browser. Clicking on a video from the mobile YouTube website will launch the video in a standalone app and will also add the YouTube video to the Music + Video Hub.[52]

Contacts

Contacts are organized via the "People hub". Contacts can be manually entered into contacts or imported from Facebook, Windows Live Contacts, Twitter, LinkedIn and Gmail. Contacts may be manually imported from Outlook using Windows Live Contacts or Gmail. A "What's New" section show news feed and a "Pictures" section show pictures from those social networks made by the contacts. A "Me" section show the phone user's own social networks status and wall, allow the user to update his status, and check-in to Bing and Facebook Places. Contacts can be added to the home screen by pinning them to the start. The contact's "Live Tile" displays his social network status and profile picture on the homescreen and the contact's hub displays his Facebook wall as well as all of the rest of his contact information and information from his other social networks.

If a contact has information stored on multiple networks, users can link the two separate contact accounts, allowing the information to be viewed and accessed from a single card.[53] As of Windows Phone 7.5, contacts can also be sorted into "Groups". Here, information from each of the contacts is combined into a single page which can be accessed directly from the Hub or pinned to the Start screen.

Email

Windows Phone supports Hotmail, Exchange, Yahoo! Mail, and Gmail natively and supports many other services via the POP and IMAP protocols. For the native account types, contacts and calendars may be synced as well. Users can also search through their email by searching in the subject, body, senders, and receivers. Emails are shown in threading view and multiple email inboxes can be combined or kept separate.

Multimedia

The Music + Video Hub on Windows Phone.
See also: Xbox Music and Xbox Video

Xbox Music + Video is a built-in application hub providing entertainment and synchronization capabilities between PC, Windows Phone, and other Microsoft products.[54] The Windows Phone multimedia experience is divided into two distinct hubs, the "Music + Videos" hub and the "Pictures" hub, both of which are similar in appearance and functionality to that of the Zune HD.

The "Music + Videos hub" allows the user to access music, videos, and podcasts stored on the device, and links directly to the "Xbox Music Store" to buy music, or rent with the Xbox Music Pass subscription service. When browsing the music by a particular artist, users are able to view artist biographies and photos, provided by the Xbox Music.[44] This hub integrates with many other apps that provide video and music services, including, but not limited to, iHeartRadio, YouTube, and Vevo. This hub also includes Smart DJ which compiles a playlist of songs stored on the phone similar to the song or artist selected. Purchased movies and other videos can be played through Xbox Video, the "Xbox Video Store" is not yet compatible on Windows Phone to directly buy or stream video content from your device.

The "Pictures hub" displays the user's Facebook and SkyDrive photo albums, as well as photos taken with the phone's built-in camera. Users can also upload photos to social networks, comment on others photos, and tag photos on social networks directly from the Pictures hub.[44] Multi-touch gestures permit zooming in and out of photos.

Media support

According to Brandon Miniman's test review for pocketnow.com, he stated "if Zune can play it, your Windows Phone 7 device can play it" – this refers to the supported playback of files.[55] The audio file formats supported include WAV, MP3, WMA, AMR, AAC/MP4/M4A/M4B and 3GP/3G2 as standards. The video file formats supported include WMV, AVI, MP4/M4V, 3GP/3G2 and MOV (QuickTime) standards. These supported audio and video formats would be dependent on the codecs contained inside them. It has also been previously reported that the DivX and Xvid codecs within AVI are also playable on the system.[56][57] Unlike the previous Windows Mobile operating system, there are currently no third-party applications for handling other video formats. The image file formats that are supported include JPG/JPEG, PNG, GIF, TIF and Bitmap (BMP).[58][59]

Custom ringtones were added with Mango. Ringtones must be under 1MB, less than 40 seconds long and the genre marked as Ringtone to appear on the phone, and are either created on the computer or downloaded through apps. Custom ringtones cannot be used for text messages, IMs or emails.

Games

Main article: List of Xbox Live games on Windows Phone
See also: Xbox Live

The "Games hub" provides access to games on a phone along with Xbox Live functionality, including the ability for a user to interact with their avatar, view and edit their profile, see their achievements and view leaderboards, and send messages to friends on Xbox Live. The Games hub also features an area for managing invitations and turn notifications in turn-based multiplayer games.[60]

File:WP7Bing.jpg
The Bing application on Windows Phone
See also: Bing (search engine), Bing Mobile, and Bing Maps

Microsoft's hardware requirements stipulate that every Windows Phone must have a dedicated Search button on the front of the device that performs different actions.[40] Pressing the search button while an application is open allows users to search within applications that take advantage of this feature; for example, pressing Search in the People hub lets users search their contact list for specific people.[61] This has been changed in Windows Phone 7.5 however – as the search button is reserved for Bing – so applications that previously used this feature (such as the Marketplace) now include soft search buttons.

In other cases, pressing the Search button will allow the user to perform a search of web sites, news, and map locations using the Bing application.[62]

Windows Phone also has a voice recognition function, powered by TellMe, which allows the user to perform a Bing search, call contacts or launch applications by speaking. This can be activated by pressing and holding the phone's Start button.

Bing is the default search engine on Windows Phone handsets due to its deep integration of functions into the OS (which also include the utilization of its map service for location-based searches and queries). However, Microsoft has stated that other search engine applications can be used.[62][63]

Aside from location-based searches, Bing Maps also provide turn-by-turn navigation service to Windows Phone user and Local Scout shows interest points such as attractions and restaurants in the nearby area.

Bing Audio allows the user to match a song with its name and Bing Vision allows the user to match barcodes and tags with the product online.

Office suite

File:Microsoft Office Mobile 2010 hub.png
Microsoft Office Mobile on Windows Phone
See also: Microsoft Office Mobile

The "Office hub" organizes all Microsoft Office apps and documents. Microsoft Office Mobile provides interoperability between Windows Phone and the desktop version of Microsoft Office. Word Mobile, Excel Mobile, PowerPoint Mobile, OneNote Mobile, and SharePoint Workspace Mobile allow most Microsoft Office file formats to be viewed and edited directly on a Windows Phone device.

Microsoft Office files from SkyDrive and Office 365, as well as files stored locally on the phone, can be accessed through the Office Hub. Office files are sorted by tiles: Word documents (blue tile), Excel spreadsheets (green tile), PowerPoint presentations (red tile), and OneNote documents (purple tile).

Multitasking

In Windows Phone 7, multitasking is limited to bundled apps. Starting with Windows Phone 7.5, a card-based task switcher can be accessed by pressing and holding the back button. The screenshot of last five open app are shown as cards. Apps can be kept running even when out of view through "Live Agents".[64] In other cases, apps are suspended and can be quickly resumed. Microsoft will bring true, background multitasking to Windows Phone 8.[65]

Sync

See also: Zune Software

Zune Software manages the contents on Windows Phone devices and Windows Phone can wirelessly sync with Zune Software. In addition to accessing on the Windows Phone devices, Zune software can also access the Zune Marketplace to purchase music, videos, and all apps for Windows Phone. While music and videos are both stored locally on the PC and on the phone, apps are only stored on the phone even if purchased from the Zune Software. Zune Software can also be used to update all Windows Phone devices. Although Zune Software is unavailable on Mac OS X operating system, Microsoft has released Windows Phone Connector which allow Windows Phone devices to sync with iTunes for Mac and iPhoto.[66][67][68]

Windows Phone OS doesn't support usual USB sync with Microsoft Outlook's Calendar, Contacts, Tasks and Notes as opposed to older versions of Windows Mobile with Desktop ActiveSync.[69][70] Syncing Contacts and Appointments is done via a cloud-based service (Windows Live, Google, or Exchange Server) only. Microsoft provides no way to sync this personal information directly from a computer to a Windows Phone and back[71]. Third party software, such as Akruto Sync is required in order to sync personal information directly, without relying on cloud-based services.[72][73] A petition to Microsoft was filed to reinstate USB sync for Outlook.[74]

Updates

A test notification of an "update available" pop-up in the Windows Phone emulator.

According to Microsoft documentation, software updates will be delivered to Windows Phone users via Microsoft Update, as is the case with other Windows operating systems.[75] Microsoft had the intention to directly update any phone running Windows Phone instead of relying on OEMs or wireless carriers,[76] but on January 6, 2012, Microsoft changed their policy to let carriers decide if an update will be delivered.[77] The software component, called Windows Phone Update, exists both on the phone (for smaller updates, over-the-air) and in the Zune Software for Windows PCs (for larger updates, via USB connection). Users will be notified to attach their phones to a PC if such an update is required.[78] Microsoft has said that in the future, all updates, both large and small will eventually support over-the-air downloads.[79] Charlie Kindel, Program Manager for the developer experience of Windows Phone, confirmed that the update infrastructure system for Windows Phone was available and that Microsoft is "in a position where we have the systems in place to effectively and reliably deliver updates to (Windows Phone) users".[80]

Microsoft plans to regularly ship minor updates that add features throughout the year, and major updates once a year.[81]

All third-party applications can be updated automatically from the Windows Phone Store.[82]

Advertising platform

Microsoft has also launched an advertising platform for the Windows Phone platform. Microsoft's General Manager for Strategy and Business Development, Kostas Mallios, said that Windows Phone will be an "ad-serving machine", pushing advertising and brand-related content to the user. The platform will feature advertising tiles near applications and toast notifications, which will bring updating advertising notifications. Mallios said that Windows Phone will be able to "preserve the brand experience by going directly from the web site right to the application", and that Windows Phone "enables advertisers to connect with consumers over time".[83] Mallios continued: "you're now able to push information as an advertiser, and stay in touch with your customer. It's a dynamic relationship that is created and provides for an ongoing dialog with the consumer."[84]

Bluetooth

Windows Phone supports the following Bluetooth profiles:[85]

  1. Advanced Audio Distribution Profile (A2DP 1.2)
  2. Audio/Video Remote Control Profile (AVRCP 1.3)
  3. Hands Free Profile (HFP 1.5)
  4. Headset Profile (HSP 1.1)
  5. Phone Book Access Profile (PBAP 1.1)

Windows Phone has no Bluetooth File Transfer capability.[86][87]

Store

File:Windows Phone Marketplace.png
Windows Phone Store on Samsung Focus
Main articles: Windows Phone Store, Xbox Music, and Xbox Video

The Windows Phone Store is used to digitally distribute music, video content, podcasts, and third party applications to Windows Phone handsets. The store is accessible using the Zune Software client or the Windows Phone Store hub on devices (though videos are not downloadable through the store hub and must be downloaded and synced through the Zune software).[88] The Store is managed by Microsoft, which includes an approval process. As of March 2012, the Windows Phone Store is available in 54 countries.[89]

Music and videos

Xbox Music offers 30 million songs up to 320 kbit/s in DRM-free MP3 format from the big four music groups (EMI, Warner Music Group, Sony BMG and Universal Music Group), as well as smaller music labels. Xbox Video offers HD movies from Paramount, Universal, Warner Brothers, and other studios and also offer television shows from popular television networks.

Microsoft also offers the Xbox Music Pass music subscription service, which allows subscribers to download an unlimited number of songs for as long as their subscription is active and play them in current Microsoft devices.

Applications and games

Development

Third party applications and games for Windows Phone are based on XNA or a WP7 specific version of Silverlight.[90] For Windows Phone apps to be designed and tested within Visual Studio 2010 or Visual Studio 2010 Express editions, Microsoft offers Windows Phone Developer Tools as an extension. Windows Phone Developer Tools run only on Windows Vista SP2 and later.[91] Microsoft also offers Expression Blend for Windows Phone for free. On November 29, 2009, Microsoft announced the Release to web (RTW) version of its Visual Basic .NET Developer Tool, to allow development in Visual Basic.

As it shares much of its platform, Windows Phone 8 will support the running of managed code through a Common Language Runtime similar to that of the Windows operating system itself as opposed to the .NET Compact Framework. This, along with support for native C and C++ libraries, will allow some Windows programs to be easily ported to Windows Phone 8.[92]

Submission

Registered Windows Phone and Xbox Live developers can submit and manage their third party applications for the platforms through the App Hub web applications. The App Hub provides development tools and support for third-party application developers. The submitted applications undergo an approval process for verifications and validations to check if they qualify the applications standardization criteria set by Microsoft.[93] The cost of the applications that are approved is up to the developer, but Microsoft will take 30% of the revenue (the other 70% goes to the developer).[94] Microsoft will only pay developers once they reach a set sales figure, and will withhold 30% tax from non-US developers, unless they first register with the United States Government's Internal Revenue Service. Microsoft only pays developers from a list of thirty countries.[95] A yearly fee is also payable for developers wishing to submit apps.[96]

In order to get an application to appear in the Windows Phone Store, the application must be submitted to Microsoft for approval.[95] Microsoft has outlined the content that it will not allow in the applications, which includes content that, among other things, advocates discrimination or hate, promotes usage of drugs, alcohol or tobacco, or includes sexually suggestive material.[97]

Hardware

File:Lumia 800.jpg
A Windows Phone 7 device produced by Nokia, the Lumia 800
Main article: List of Windows Phone devices

To provide a more consistent experience between devices, Windows Phone 7 devices are required to meet a certain set of hardware requirements, which Andy Lees, Microsoft's senior vice president of mobile communications business, described as being "tough, but fair."[98] All Windows Phone devices, at minimum, must include the following:[99][100]

Minimum Windows Phone 7 device requirements
Capacitive, 4-point multi-touch screen with WVGA (480x800) resolution
ARM v7 "Cortex/Scorpion" – Snapdragon QSD8X50, MSM7X30, and MSM8X55
DirectX9 rendering-capable GPU
256MB of RAM (as of Tango) with at least 4GB of Flash memory
Accelerometer, ambient light sensor, proximity sensor and Assisted GPS
FM radio tuner
Six (6) dedicated hardware buttons – back, Start, search, 2-stage camera, power/sleep and volume buttons
Optional hardware: Front-facing camera, compass and gyroscope

Previously, Windows Phone 7 devices were required to have 512 MB of RAM. As of the "Tango" update, the requirements were revised to allow for chipsets with slower processors, and for devices to have a minimum of 256 MB of RAM. Certain features of the operating system, and the ability to install certain resource-intensive apps are disabled on Windows Phone devices with under 512 MB of RAM.[29]

Reception

Reviews

What Engadget and Gizmodo felt were notable omissions in a modern smartphone OS have largely been addressed in the Mango update. ZDNet praised the OS's virtual keyboard and noted the excellent touch precision as well as powerful auto-correct and revision software.[44][101] The touch responsiveness of the OS has also been universally praised by all three sites with reviewers noting the smoothness of scrolling and gestures like pinch to zoom in web browsing.[102] PCWorld ran an article called "Windows Phone 7: Microsoft's Disaster" citing what they call a "lack of security, shockingly bad Office apps, an interface not backed up under the hood and abandonment of the full Microsoft customer base."[103]

The reception to the "Metro" UI (new name Modern Style UI) and overall interface of the OS has also been highly praised for its style, with ZDNet noting its originality and fresh clean look.[102] Engadget and ZDNet applauded the integration of Facebook into the People Hub as well as other built-in capabilities, such as Windows Live, etc.

Market share

Worldwide Market share of Windows Mobile and Windows Phone from Q2 2011 to Q2 2012 according to IDC.

According to Gartner, there were 1.6 million devices using the Microsoft Windows Phone OS in Q1 2011 worldwide.[104] 1.7 million smartphones using a Microsoft mobile OS were sold in Q2 2011, for a 1.6% market share.[105] In Q3 2011, Microsoft's world wide market share dropped slightly to 1.5%.[106] In Q4 2011 market share increased to 1.9%,[107] and it stayed at 1.9% for Q1 2012.[108] However it should be noted that such reports for Q2, Q3 and Q4 of year 2011 include both Windows Phone and small part of Windows Mobile marketshare under the same "Microsoft mobile OS" banner, and do not make the distinction of separating the marketshare values of the two (except Q1 2011).

Studies carried out by Nielsen Company indicated that in the US, WP7 had a smart phone market share of 1% each in the periods March to May,[109] and May to July 2011.[110] For Q3 2011, Nielsen reported a US market share of 1.2% for WP7,[111] which rose to 1.3% in Q4 2011,[112] and to 1.7% in Q1 2012,[113] and then dropped back to 1.3% in Q2 2012.[114] Kantar released their report and found out that the US market share is at 3.3%. They also reported their key eight countries results that Wp is up from 3.5% to 4.8%.[115]

Worldwide, IDC pointed that Windows Phone had a 50% quarter-over-quarter decline in Q3 2012, thus having a total 2.0% global market share.[116]

The low market share of Windows Phone might be explained by a study by Bernstein Research that concluded that consumers don’t want Windows Phones. The research points out: "The lack of consumer interest for Windows-based phones has been very consistent in marketing surveys we have carried out across the globe over the last several years." and that "The situation of Windows in mobile phones is now very unlikely to revert." This view stems from the idea that the current ecosystems hold to much of the market for the windows phone to get noticed in the proverbial popularity contest.[117]

Manufacturer market share

HTC was originally making up most of Windows Phone's sales, holding 44% of the market in January 2012. However, Nokia has come from behind, rising at a fast rate and holding 59% of Windows Phone's sales in July 2012, due to the popularity of the Lumia range. At the same time, HTC's share dropped to 21%.[118]

Awards

Windows Phone was presented with a total of three awards at the 2011 International Design Excellence Awards, voted by an independent jury[119] at an event co-sponsored by Microsoft, among others;[120] Gold in Interactive Product Experience, Silver in Research and Bronze in the Design Strategy.

"The Windows Phone 7 was built around the idea that the end user is king. The design team began by defining and understanding the people who would use this phone. It was convinced that there could be a better user experience for a phone, one that revolves more around who the users are rather than what they do. The Windows Phone 7 lets users quickly get in, get out and back to their lives."[121]

At the awards ceremony, Windows Phone 7 was given "the noteworthy People's Choice Award, an award handed to the favorite IDEA 2011 gold award winner."[122]

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