WebOS

HP WebOS
Company / developer Hewlett Packard since 2010, previously Palm
OS family Linux
Source model Closed source, with some open source aspects released under GPL
Initial release 6 June 2009
Latest stable release 3.0.4 (Touchpad) / 3.0.5 for Beta Testers; Release in 12/12/12.
Available language(s) English (US), Spanish, French, and German
Supported platforms ARM
Kernel type Monolithic (Linux)
Default user interface Graphical
License Palm EULA (proprietary), GPL for open source components[1]
Official website Palm Developer Website

HP WebOS is a mobile operating system based on a Linux kernel, initially developed by Palm, which was later acquired by Hewlett-Packard.[2] The official name is the uncapitalised webOS;[3] however, "WebOS" is also used.[note 1]

WebOS was introduced by Palm in January 2009. Various versions of WebOS have been featured on several devices, including Pre, Pixi, and Veer phones and the HP TouchPad tablet.

Contents

Background

WebOS was introduced by Palm in January 2009 as the successor to Palm OS. The first WebOS device was the original Palm Pre, released on Sprint in June 2009. The Palm Pixi followed. Upgraded "Plus" versions of both Pre and Pixi were released on Verizon.

In April 2010, HP acquired Palm; WebOS was described as a key asset and motivation for the purchase. The $1.2 billion acquisition finalized in June. HP indicated its intention to develop the WebOS platform for use in multiple new products, including smartphones, tablet computers and printers.[4]

In February, 2011, HP announced that it use WebOS as the universal platform for all its devices.[5] However, HP also made the decision[6] that the Palm Pre, Palm Pixi, and the "Plus" revisions would not receive over-the-air updates to WebOS 2.0,[7] despite a previous commitment to an upgrade "in coming months."[8] HP announced several new WebOS devices, including the HP Veer and HP Pre 3 smartphones, running WebOS 2.2, and the HP TouchPad, a tablet computer released in July 2011 that runs WebOS 3.0.

In March 2011, HP announced plans for a version of WebOS by the end of 2011 to run within the Microsoft Windows operating system,[9] and to be installed on all HP desktop and notebook computers in 2012.[10]

In August 2011, HP announced that it was interested in selling its Personal Systems Group, responsible for all of its consumer PC products, including WebOS, and that WebOS device development and production lines will be halted.[11][12][13] It was unclear whether HP would consider licensing of WebOS software to other manufacturers. When HP reduced the price of the Touchpad to $99, the existing inventory quickly sold out.[14] HP is reported as still wanting to rollout WebOS on PCs and printers, but a date is unknown.[15] The HP Pre 3 will be launched in selective areas.[15] HP has announced that it will continue to issue updates for the Veer and HP TouchPad.[15]

In December 2011, HP announced it would release WebOS source code in the near future under an open-source license. [16]

Features

Devices

The Palm Pre, the Palm Pixi, and Palm Pixi Plus run WebOS version 1.4.5. [17]

The Palm Pre Plus, Pre 2, Pre 3, and the Veer run WebOS version 2.X

The HP TouchPad runs WebOS version 3.

Interface

WebOS uses multi-touch gestures to navigate on the touchscreen. The interface uses "cards" to manage multitasking. The user switches between running applications by a flicking gesture from left and right on the screen. Applications are closed by flicking a "card" up—and "off"—the screen.

Synergy

WebOS integrates information from many sources. Users can sign in to multiple email accounts from different providers and integrate all of these sources into a single list. Similar capabilities pull together calendars and also instant messages and SMS text messages from multiple sources. [18]

Notifications

WebOS features an unobtrusive notification area located on the bottom portion of the screen on phones, and on the top status bar area on tablets.

Synchronization

WebOS uses a cloud-based approach rather than using a desktop sync client, but various third-party sync clients are available.

Third-party applications

Officially vetted third-party applications are accessible from the device for wireless download by using the App Catalog.[19]

Another source of applications is known as Homebrew.[20][21] Homebrew is not directly supported by HP.

WebOS was a new platform, replacing Palm OS, so Palm commissioned MotionApps to code and develop an emulator called Classic, to enable backward compatibility to Palm OS applications. This operates with WebOS version 1. PalmOS emulation was discontinued in WebOS version 2.0.[22] MotionApps disengaged from Classic in 2010, citing HP Palm as "disruptive".[23]

Version history

WebOS version Release date Notes

1.0.1

 RTM[24] The 1.0.2 OTA update was already available on the first day of sale. Some Pres required this OTA update from 1.0.1 to 1.0.2 while others already had 1.0.2 pre-loaded.[25]

1.0.2

 5 June 2009

1.0.3

 19 June 2009[26]

1.0.4

 29 June 2009[27]

1.1.0

 23 July 2009[28] First release for Bell Canada[29]

1.1.2

 RTM for Palm Pre from O2[30] 1.2 was already available in the United States when the O2 phones were released with 1.1.2. The 1.1.3 update was already available for European OTA update when the phones were available for sale.

1.1.3

 13 October 2009 OTA update released only in Europe for GSM Palm Pre. Available on launch day. When released, 1.2 was already available in the United States.

1.2.0

 28 September 2009[31] This was the first release said to support paid apps from the App Catalog.[32][33]

1.2.1

 2 October 2009 for Sprint,[34] 6 October 2009 for Bell Canada[35]

1.2.9.1

 Pixi RTM This was a Pixi-only release. Version 1.3.1 was already available for OTA update when the Pixi was released[36]

1.3.1

 14 November 2009 for Sprint and Bell Canada[37]

22 November 2009 for O2 Europe[38] For European carriers, this was the first OTA update following 1.1.3.

1.3.2

 2 December 2009[39] This was a Pixi-only release

1.3.3

 Not Released Appears on the Palm Open Source Packages page as a release, but was never released on any known carrier.[40]

1.3.5

 28 December 2009[41] Only available on Sprint.

1.3.5.1

 4 January 2010 for Sprint,[42] 5 January for Bell Canada,[43] 25 January for Verizon[44] Only released in North America

1.3.5.2

 12 January 2010[45] Only released in Europe

1.3.8

 Pre-Release[46] This appears to be a pre-release version used when testing the AT&T Pre and Pixi.

1.4.0

 26 February 2010 for Sprint, O2, Movistar,[47] 28 February 2010 for Verizon,[48] 4 March 2010 for Bell Cananda,[49] 5 March 2010 for Telcel Mexico[50] This is the current version released for Telcel Mexico Pres.

1.4.1

 31 March 2010 in Europe,[51][52] 1 April 2010 in Canada[53] Released only in Europe and Canada

1.4.1.1

 31 March 2010 for Sprint,[54] 29 April 2010 for Verizon[55] Released only in the United States

1.4.1.2

 Pre-Release[56] Seen on a reviewer pre-production Vodafone Pixi Plus phone, presumed to be functionally equivalent to 1.4.1.1.

1.4.1.3

 RTM for O2 Pixi Plus[57] Released only on the O2 Pixi Plus, supposed to be functionally equivalent to 1.4.1.1.

1.4.2

 RTM for AT&T Pre Plus[58] Only on the AT&T Pre Plus, supposed to be functionally equivalent to 1.4.1.1.

1.4.3

 RTM for AT&T Pixi Plus Only on the AT&T Pixi Plus, supposed to be functionally equivalent to 1.4.1.1.

1.4.5

 14 July 2010 The update was made available for different devices over several months starting 2010 July[59][60][61] with the last device to receive this update, the ATT Pixi Plus, receiving it in 2010 October.[62] Some carriers (notably Telcel Mexico) never deployed this update. This is the final update for Pre and Pixi, and so far Pixi Plus phones, with some carriers releasing further updates[63] for the Pre Plus and others not.

1.4.5.1

 9 May 2011 Some bug fixes but has no new features. [1]. Current for Pre, Pre Plus, Pixi, and Pixi Plus.

2.0.0

 22 October 2010 This is an RTM release for the Pre 2.[64] Many WebOS phones used by consumers currently still use 1.4.0 or 1.4.5 and may be left on those versions indefinitely.

2.0.1

 19 November 2010 This is an RTM release, for Pre 2 phones or unlocked devices.[65]

2.1.0

 8 March 2011 Available on the Pre 2 through an OTA update[66] and the Pre Plus for O2 Germany and Vodafone Europe through a USB-tethered "doctor" update.[67]

2.1.2

 15 May 2011 This is an RTM release for the HP Veer.

2.2

 August 17, 2011 This is an RTM release for the HP Pre 3 [2].

2.2.3

 September 28, 2011 This is an OTA release for the HP Pre 3 [3].

2.2.4

 December 9, 2011 This is an OTA release for some Palm Pre 2 models and the HP Pre 3.

3.0

 July 1, 2011 Initial version of WebOS for HP TouchPad.

3.0.2

 August 1, 2011 Update for the HP TouchPad.

3.0.4

 October 18, 2011 An OTA update for the HP TouchPad. Ability to pair non-WebOS phones with the HP Touchpad. New Camera app for photos and videos. Support for playing Ogg Vorbis and FLAC lossless music files.[68]

3.0.5

 Beta testing now, Release in January 2012 An OTA update for the HP TouchPad. A fairly routine update that's focused on fixing bugs and making minor improvements — support for HTML5 video in all screen orientations and low disk space download alerts. Fixes for audio distortion and accelerometer bug introduced in 3.0.4.[69]

Platform

Underneath the graphical user interface, WebOS has much in common with mainstream Linux distributions. Versions 1.0 to 2.1 use a patched Linux 2.6.24 kernel.[70]

The list of open-source components used by the different releases of WebOS, as well as the source code of and patches applied to each component, is available at the Palm Open Source web page.[70] This page also serves as a reference listing of the versions of WebOS that have been publicly released.

In 2011, Enyo replaced Mojo, released in June 2009, as the software development kit (SDK).[71] In December 2011, HP announced that Enyo will be contributed to the open-source community, along with WebOS in the "near future".

Development

HP provides resources for WebOS developers[72] and instructions for enrolling in the HP Palm Developer Program.[73]

The latest version of the webOS SDK is version 3.0.4. It can be downloaded directly from HP Palm's development center. With this SDK, developers are able to make applications for a variety of webOS devices including the HP Veer and the HP Touchpad. Included in the SDK is also the PDK, which grants developers access to compilers, coding libraries, scripts, utilities, and documents in that aid in C/C++ development. Applications can also be written in HTML5, JavaScript, and CSS using either the Mojo or Enyo framework.

The HP Palm Development Center also has a quick start guides that help ease the transition from iOS, web, and C/C++ development.

See also

Notes

  1. ^ In accordance with Wikipedia policy at Wikipedia:Manual of Style/Trademarks, "WebOS" is used in this article.

References

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List of Palm devices
Before Palm, Inc.
Tandy: Zoomer · Pilot: 1000 · 5000 · PalmPilot: Personal · Professional · Palm: III · IIIx · IIIe · V · VII · Visor: Visor · Deluxe · Prism · Platinum · Edge · Neo · Pro · Treo: 90 · 180 · 270/300 · 600
As Palm, Inc.

Foleo: Foleo* · LifeDrive: LifeDrive · Palm: IIIxe · IIIc · Vx · VIIx · m100 · m105 · m125 · m130 · m500 · m505 · m515 · i705 · T|X · Z22 · Treo: 650 · 680 · 700p · 700w · 700wx · 750 · 750v · 755p · 800w · Pro · Centro · Tungsten: T · T2 · T3 · W · E · T5 · E2 · Zire: 21 · 31 · 71 · 72

webOS: Pre · Pre 2 · Pixi
As HP Palm
Italics – still in production; * – never released