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* '''2.3 Gingerbread''' refined the user interface, improved the soft keyboard and copy/paste features, improved gaming performance, [[SIP]] support ([[VoIP]] calls), and added support for [[Near Field Communication]]. Android 2.3 Gingerbread is the latest Android version that is available to phones.<ref name="gingerbread-highlights">{{cite web |date=6 December 2010 |url=http://developer.android.com/sdk/android-2.3-highlights.html |title=Android 2.3 Platform Highlights |work=Android Developers |accessdate=2010-12-07}}</ref>
* '''2.3 Gingerbread''' refined the user interface, improved the soft keyboard and copy/paste features, improved gaming performance, [[Session Initiation Protocol|SIP]] support ([[VoIP]] calls), and added support for [[Near Field Communication]]. Android 2.3 Gingerbread is the latest Android version that is available to phones.<ref name="gingerbread-highlights">{{cite web |date=6 December 2010 |url=http://developer.android.com/sdk/android-2.3-highlights.html |title=Android 2.3 Platform Highlights |work=Android Developers |accessdate=2010-12-07}}</ref>


* '''3.0 Honeycomb''' was a tablet-oriented<ref>{{cite web |url= http://www.anandtech.com/show/4150/googles-android-event-analysis/2 |title=Google's Android Event Analysis |author=Mithun Chandrasekhar |work=AnandTech |date=2 February 2011 |accessdate=5 February 2011 |quote=I confirmed this with Google; Honeycomb, at least in the current form, will not be coming to non-tablet devices.}}</ref><ref>{{cite web|last=Rapheal|first=JR|title=Will Android Honeycomb come to smartphones?|url=http://blogs.computerworld.com/17642/android_honeycomb_smartphones|work=Computerworld|accessdate=24 February 2011}}</ref><ref>{{cite web|first=Android SDK|title=Android Platform Highlights|url=http://developer.android.com/sdk/android-3.0-highlights.html|work=Google|accessdate=24 February 2011}}</ref> release which supports larger screen devices and introduces many new user interface features, and supports multicore processors and hardware acceleration for graphics.<ref name="honeycomb-highlights">{{cite web |date=26 January 2011 |url=http://developer.android.com/sdk/android-3.0-highlights.html |title=Android 3.0 Platform Highlights |work=Android Developers |accessdate=2011-01-26}}</ref> The Honeycomb SDK has been released and the first device featuring this version, the [[Motorola Xoom]] tablet, went on sale in February 2011.<ref>{{cite web |url= http://www.engadget.com/2011/01/26/motorola-atrix-4g-and-xoom-tablet-launching-at-the-end-of-februa/ |title=Motorola Atrix 4G and Xoom tablet launching at the end of February, Droid Bionic and LTE Xoom in Q2 |author=Nilay Patel |work=Engadget |date=26 January 2011|accessdate=5 February 2011}}</ref>
* '''3.0 Honeycomb''' was a tablet-oriented<ref>{{cite web |url= http://www.anandtech.com/show/4150/googles-android-event-analysis/2 |title=Google's Android Event Analysis |author=Mithun Chandrasekhar |work=AnandTech |date=2 February 2011 |accessdate=5 February 2011 |quote=I confirmed this with Google; Honeycomb, at least in the current form, will not be coming to non-tablet devices.}}</ref><ref>{{cite web|last=Rapheal|first=JR|title=Will Android Honeycomb come to smartphones?|url=http://blogs.computerworld.com/17642/android_honeycomb_smartphones|work=Computerworld|accessdate=24 February 2011}}</ref><ref>{{cite web|first=Android SDK|title=Android Platform Highlights|url=http://developer.android.com/sdk/android-3.0-highlights.html|work=Google|accessdate=24 February 2011}}</ref> release which supports larger screen devices and introduces many new user interface features, and supports multicore processors and hardware acceleration for graphics.<ref name="honeycomb-highlights">{{cite web |date=26 January 2011 |url=http://developer.android.com/sdk/android-3.0-highlights.html |title=Android 3.0 Platform Highlights |work=Android Developers |accessdate=2011-01-26}}</ref> The Honeycomb SDK has been released and the first device featuring this version, the [[Motorola Xoom]] tablet, went on sale in February 2011.<ref>{{cite web |url= http://www.engadget.com/2011/01/26/motorola-atrix-4g-and-xoom-tablet-launching-at-the-end-of-februa/ |title=Motorola Atrix 4G and Xoom tablet launching at the end of February, Droid Bionic and LTE Xoom in Q2 |author=Nilay Patel |work=Engadget |date=26 January 2011|accessdate=5 February 2011}}</ref>

Revision as of 18:34, 10 October 2011

Android

Home screen displayed by Samsung Nexus S with Google, running Android 2.3 "Gingerbread"
DeveloperGoogle Inc, Open Handset Alliance
Written inC (core),[1] Java (UI), C++
Working stateCurrent
Source modelMixed (free and open source software and proprietary software)[2][3]
Initial release23 September 2008 (2008-09-23)
Latest releaseTablets: 3.2.1 (Honeycomb) Phones: 2.3.7 (Gingerbread) / 20 September 2011; 13 years ago (2011-09-20)
Repository
Package managerAPK
PlatformsARM, MIPS,[4] x86[5]
Kernel typeLinux kernel (monolithic)
Default
user interface		Graphical
LicenseApache License 2.0
(closed source for Android 3.x)
Linux kernel patches under GNU GPL v2[6]
Official websitewww.android.com

Android is an operating system for mobile devices such as smartphones and tablet computers. It is developed by the Open Handset Alliance led by Google.[7][8]

Google purchased the initial developer of the software, Android Inc., in 2005.[9] The unveiling of the Android distribution on November 5, 2007 was announced with the founding of the Open Handset Alliance, a consortium of 84 hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices.[10][11][12][13] Google released most of the Android code under the Apache License, a free software license.[14] The Android Open Source Project (AOSP) is tasked with the maintenance and further development of Android.[15]

Android consists of a kernel based on the Linux kernel, with middleware, libraries and APIs written in C and application software running on an application framework which includes Java-compatible libraries based on Apache Harmony. Android uses the Dalvik virtual machine with just-in-time compilation to run compiled Java code.[16] Android has a large community of developers writing applications ("apps") that extend the functionality of the devices. Developers write primarily in a customized version of Java.[17] There are currently more than 520,000 apps available for Android.[18][19] Apps can be downloaded from third-party sites or through online stores such as Android Market, the app store run by Google.

Android was listed as the best-selling smartphone platform worldwide in Q4 2010 by Canalys.[20][21]

History

Foundation

Android, Inc. was founded in Palo Alto, California, United States in October, 2003 by Andy Rubin (co-founder of Danger),[22] Rich Miner (co-founder of Wildfire Communications, Inc.),[23] Nick Sears (once VP at T-Mobile),[24] and Chris White (headed design and interface development at WebTV)[25] to develop, in Rubin's words "...smarter mobile devices that are more aware of its owner's location and preferences".[26] Despite the obvious past accomplishments of the founders and early employees, Android Inc. operated secretly, revealing only that it was working on software for mobile phones.[26]

That same year, Rubin ran out of cash. Steve Perlman brought him $10,000 in cash in an envelope and refused a stake in the company.[27]

Acquisition by Google

Google acquired Android Inc. in August 2005, making Android Inc. a wholly owned subsidiary of Google Inc. Key employees of Android Inc., including Andy Rubin, Rich Miner and Chris White, stayed at the company after the acquisition.[23]

Not much was known about Android Inc. at the time of the acquisition, but many assumed that Google was planning to enter the mobile phone market with this move.[citation needed]

Post-acquisition development

At Google, the team led by Rubin developed a mobile device platform powered by the Linux kernel. Google marketed the platform to handset makers and carriers on the premise of providing a flexible, upgradable system. Google had lined up a series of hardware component and software partners and signaled to carriers that it was open to various degrees of cooperation on their part.[28][29][30]

Speculation about Google's intention to enter the mobile communications market continued to build through December 2006.[31] Reports from the BBC and The Wall Street Journal noted that Google wanted its search and applications on mobile phones and it was working hard to deliver that. Print and online media outlets soon reported rumors that Google was developing a Google-branded handset.[32] Some speculated that as Google was defining technical specifications, it was showing prototypes to cell phone manufacturers and network operators.

In September 2007, InformationWeek covered an Evalueserve study reporting that Google had filed several patent applications in the area of mobile telephony.[33][34]

Open Handset Alliance

Main article: Open Handset Alliance

Today's announcement is more ambitious than any single 'Google Phone' that the press has been speculating about over the past few weeks. Our vision is that the powerful platform we're unveiling will power thousands of different phone models.

Eric Schmidt, former Google Chairman/CEO[12]

On November 5, 2007, the Open Handset Alliance, a consortium of several companies which include Broadcom Corporation, Google, HTC, Intel, LG, Marvell Technology Group, Motorola, Nvidia, Qualcomm, Samsung Electronics, Sprint Nextel, T-Mobile and Texas Instruments unveiled itself. The goal of the Open Handset Alliance is to develop open standards for mobile devices.[12] On the same day, the Open Handset Alliance also unveiled their first product, Android, a mobile device platform built on the Linux kernel version 2.6.[12]

On December 9, 2008, 14 new members joined, including ARM Holdings, Atheros Communications, Asustek Computer Inc, Garmin Ltd, Huawei Technologies, PacketVideo, Softbank, Sony Ericsson, Toshiba Corp, and Vodafone Group Plc.[35][36]

Licensing

With the exception of brief update periods, Android has been available under a free and open source software license since October 21, 2008 until March 2011.[37] Google published the entire source code (including network and telephony stacks)[38] under an Apache License.[39] Google also keeps the reviewed issues list publicly open for anyone to see and comment.[40]

Even though the software is open source, device manufacturers cannot use Google's Android trademark unless Google certifies that the device complies with their Compatibility Definition Document (CDD). Devices must also meet this definition to be eligible to license Google's closed-source applications, including the Android Market.[41]

In September 2010, Skyhook Wireless filed a lawsuit against Google in which they alleged that Google had used the compatibility document to block Skyhook's mobile positioning service (XPS) from Motorola's Android mobile devices.[42] In December 2010 a judge denied Skyhook's motion for preliminary injunction, saying that Google had not closed off the possibility of accepting a revised version of Skyhook's XPS service, and that Motorola had terminated their contract with Skyhook because Skyhook wanted to disable Google's location data collection functions on Motorola's devices, which would have violated Motorola's obligations to Google and its carriers.[43]

In early 2011, Google chose to withhold the Android source code to the tablet-only Honeycomb release, creating a controversy over Google's commitment to open source with Android.[37] The reason, according to Andy Rubin in an official Android blog post, was because Honeycomb was rushed for production of the Motorola Xoom,[44] and they did not want third parties creating a "really bad user experience" by attempting to put onto smartphones a version of Android intended for tablets.[45] Google later confirmed that the Honeycomb source code would not be released until after it was merged with the Gingerbread release in Ice Cream Sandwich.[46]

One of the criticisms often levied against Android is that it is not as open as Google claims. A mid-2009 Google strategy briefing included phrases such as "Do not develop in the open. Instead, make source code available after innovation is complete".[47] The documents also seem to suggest that preferential treatment should be given specifically to Motorola Mobility and Verizon Wireless for being the first to develop Android phones to Google specifications. In an internal email, dated Aug. 6, 2010, Dan Morrill, a manager in the Android group, noted in passing that it was obvious to the phone makers that "we are using compatibility as a club to make them do things we want."[48]

In a July 2011 research into open source projects, Android was found to be the most "closed" platform scoring significantly lower in an "openness" index.[49] The other projects examined were Qt, Symbian, MeeGo, Mozilla, WebKit, Linux and Eclipse.

Version history

Main article: Android version history

Android has seen a number of updates since its original release, each fixing bugs and adding new features. Each version is named, in alphabetical order, after a dessert.[50]

Recent releases
  • 2.3 Gingerbread refined the user interface, improved the soft keyboard and copy/paste features, improved gaming performance, SIP support (VoIP calls), and added support for Near Field Communication. Android 2.3 Gingerbread is the latest Android version that is available to phones.[51]
  • 3.0 Honeycomb was a tablet-oriented[52][53][54] release which supports larger screen devices and introduces many new user interface features, and supports multicore processors and hardware acceleration for graphics.[55] The Honeycomb SDK has been released and the first device featuring this version, the Motorola Xoom tablet, went on sale in February 2011.[56]
  • 3.1 Honeycomb was announced at the 2011 Google I/O on 10 May 2011. One feature focuses on allowing Honeycomb devices to directly transfer content from USB devices.[57]
  • 3.2 Honeycomb released at July 15 2011, is "an incremental release that adds several new capabilities for users and developers". Highlights include optimization for a broader range of screen sizes; new "zoom-to-fill" screen compatibility mode; capability to load media files directly from the SD card; and an extended screen support API, providing developers with more precise control over the UI. Android 3.2 Honeycomb is the latest Android version that is available to tablets.[58]
Future releases
  • Ice Cream Sandwich is said to be a combination of Gingerbread and Honeycomb into a "cohesive whole".[50] In September 2011, Eric Schmidt stated that Ice Cream Sandwich "is being released in October/November."[59]

Design

Linux

Android's kernel is a fork of the Linux kernel but has further architecture changes by Google outside the typical Linux kernel development cycle.[60] For example Android does not have a native X Window System nor does it support the full set of standard GNU libraries, and this makes it difficult to port existing Linux applications or libraries to Android.[61]

Certain features Google contributed back to the kernel, notably a power management feature called wakelocks, were rejected by mainline kernel developers, partly because kernel maintainers felt that Google did not show any intent to maintain their own code.[62][63][64] Even though Google announced in April 2010 that they would hire two employees to work with the Linux kernel community,[65] Greg Kroah-Hartman, the current Linux kernel maintainer for the -stable branch, said in December 2010 that he was concerned that Google was no longer trying to get their code changes included in mainstream Linux.[63] Some Google Android developers hinted that "the Android team was getting fed up with the process", because they were a small team and had more urgent work to do on Android.[66]

However, in September 2010 Linux kernel developer Rafael J. Wysocki added a patch that improved the mainline Linux wakeup events framework. He said that Android device drivers that use wakelocks can now be easily merged into mainline Linux, but that Android's opportunistic suspend features should not be included in the mainline kernel.[67][68] In 2011 Linus Torvalds said that "eventually Android and Linux would come back to a common kernel, but it will probably not be for four to five years."[69]

Features

The Android Emulator default home screen (v1.5)
File:System-architecture.jpg
Architecture diagram

Current features and specifications:[70][71][72]

Handset layouts
The platform is adaptable to larger, VGA, 2D graphics library, 3D graphics library based on OpenGL ES 2.0 specifications, and traditional smartphone layouts.
Storage
SQLite, a lightweight relational database, is used for data storage purposes.
Connectivity
Android supports connectivity technologies including GSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi, LTE, NFC and WiMAX.
Messaging
SMS and MMS are available forms of messaging, including threaded text messaging and now Android Cloud To Device Messaging Framework (C2DM) is also a part of Android Push Messaging service.
Multiple language support
Android supports multiple human languages. The number of languages more than doubled for the platform 2.3 Gingerbread.[citation needed]
Web browser
The web browser available in Android is based on the open-source WebKit layout engine, coupled with Chrome's V8 JavaScript engine. The browser scores a 95/100 on the Acid3 Test.
Java support
While most Android applications are written in Java, there is no Java Virtual Machine in the platform and Java byte code is not executed. Java classes are compiled into Dalvik executables and run on Dalvik, a specialized virtual machine designed specifically for Android and optimized for battery-powered mobile devices with limited memory and CPU. J2ME support can be provided via third-party applications.
Media support
Android supports the following audio/video/still media formats: WebM, H.263, H.264 (in 3GP or MP4 container), MPEG-4 SP, AMR, AMR-WB (in 3GP container), AAC, HE-AAC (in MP4 or 3GP container), MP3, MIDI, Ogg Vorbis, FLAC, WAV, JPEG, PNG, GIF, BMP.[72]
Streaming media support
RTP/RTSP streaming (3GPP PSS, ISMA), HTML progressive download (HTML5 <video> tag). Adobe Flash Streaming (RTMP) and HTTP Dynamic Streaming are supported by the Flash plugin.[73] Apple HTTP Live Streaming is supported by RealPlayer for Mobile,[74] and by the operating system in Android 3.0 (Honeycomb).[55]
Additional hardware support
Android can use video/still cameras, touchscreens, GPS, accelerometers, gyroscopes, magnetometers, dedicated gaming controls, proximity and pressure sensors, thermometers, accelerated 2D bit blits (with hardware orientation, scaling, pixel format conversion) and accelerated 3D graphics.
Multi-touch
Android has native support for multi-touch which was initially made available in handsets such as the HTC Hero. The feature was originally disabled at the kernel level (possibly to avoid infringing Apple's patents on touch-screen technology at the time).[75] Google has since released an update for the Nexus One and the Motorola Droid which enables multi-touch natively.[76]
Bluetooth
Supports A2DP, AVRCP, sending files (OPP), accessing the phone book (PBAP), voice dialing and sending contacts between phones. Keyboard, mouse and joystick (HID) support is available in Android 3.1+, and in earlier versions through manufacturer customizations and third-party applications.[77]
Video calling
Android does not support native video calling, but some handsets have a customized version of the operating system that supports it, either via the UMTS network (like the Samsung Galaxy S) or over IP. Video calling through Google Talk is available in Android 2.3.4 and later. Gingerbread allows Nexus S to place Internet calls with a SIP account. This allows for enhanced VoIP dialing to other SIP accounts and even phone numbers. Skype 2.1 offers video calling in Android 2.3, including front camera support.
Multitasking
Multitasking of applications is available.[78]
Voice based features
Google search through voice has been available since initial release.[79] Voice actions for calling, texting, navigation, etc. are supported on Android 2.2 onwards.[80]
Tethering
Android supports tethering, which allows a phone to be used as a wireless/wired Wi-Fi hotspot. Before Android 2.2 this was supported by third-party applications or manufacturer customizations.[81]
Screen capture
Android does not support screenshot capture as of 2011. This is supported by manufacturer and third-party customizations. Screen Capture is available through a PC connection using the DDMS developer's tool.[82]

Uses

Main article: List of Android devices

The Android operating system is used on smartphones, netbooks, tablet computers, Google TV, and other devices.[83][84]

The main hardware platform for Android is the ARM architecture. There is support for x86 from the Android-x86 project,[85] and Google TV uses a special x86 version of Android.

The first commercially available phone to run Android was the HTC Dream, released on 22 October 2008.[86] In early 2010 Google collaborated with HTC to launch its flagship[87] Android device, the Nexus One. This was followed later in 2010 with the Samsung-made Nexus S.

In September 2011, many companies which produce smartphones powered by MeeGo, Bada, WebOS and Windows also produce smartphone powered by Android.[citation needed] There are also possibility that some BlackBerry smartphones will use Android.[88][failed verification]

iOS and Android 2.3.3 'Gingerbread' may be set up to dual boot on a jailbroken iPhone or iPod Touch with the help of OpeniBoot and iDroid.[89][90]

Applications

See also: Android software development and List of open source Android applications

Applications are usually developed in the Java language using the Android Software Development Kit, but other development tools are available, including a Native Development Kit for applications or extensions in C or C++, and Google App Inventor, a visual environment for novice programmers.

Android Market

Main article: Android Market

Android Market is the online software store developed by Google for Android devices. An application program ("app") called "Market" is preinstalled on most Android devices and allows users to browse and download apps published by third-party developers, hosted on Android Market. As of December 2010 there were about 200,000 games, applications and widgets available on the Android Market.[91] In April 2011 Google said there had been more than 3 billion Android apps installed[92] and at end of June 2011 there are 6 billion apps installs from the Android market. The operating system itself is installed on 130 million total devices.[93]

Only devices that comply with Google's compatibility requirements are allowed to preinstall Google's closed-source Android Market app and access the Market.[94] The Market filters the list of applications presented by the Market app to those that are compatible with the user's device, and developers may restrict their applications to particular carriers or countries for business reasons. [95]

Google has participated in the Android Market by offering several applications themselves, including Google Voice (for the Google Voice service), Sky Map (for watching stars), Finance (for their finance service), Maps Editor (for their MyMaps service), Places Directory (for their Local Search), Google Goggles that searches by image, Gesture Search (for using finger-written letters and numbers to search the contents of the phone), Google Translate, Google Shopper, Listen for podcasts and My Tracks, a jogging application. In August 2010, Google launched "Voice Actions for Android",[96] which allows users to search, write messages, and initiate calls by voice.

Alternatively, users can install apps from third party app stores such as the Amazon Appstore,[97] or directly onto the device if they have the application's APK file.

Malware and security

In August 2010, an SMS Trojan called Trojan-SMS.AndroidOS.FakePlayer.a infected a number of mobile devices after users downloaded what they thought was a harmless media player application, according to security firm Kaspersky Lab. Once the application is installed the trojan sends out SMS text messages without the user's knowledge or consent. According to Denis Maslennikov, Senior Malware Researcher at Kaspersky Lab, an exact number of devices infected is not available at present, but the outbreak is currently regional. For now, only Russian Android users can actually lose money after installing the Trojan, but anyone can be infected.[98] Android users were advised not to use the Android web browser until Google issues a security patch. The Android Security Team responded and developed a fix on February 5, 2011 and patched Open Source Android two days later.

In March 2011, Google pulled 58 malicious apps from the Android Market, but not before the 58 apps were downloaded to around 260,000 devices.[99] These apps were malicious applications in the Android Market which contained trojans hidden in pirated versions of legitimate apps.[100] The malware (called DroidDream) exploited a bug which was present in versions of Android older than 2.2.2.[101] Android device manufacturers and carriers work in tandem to distribute Android based updates and had not uniformly issued patches to their customers for the DroidDream exploit, leaving users vulnerable.[102] Google said the exploit allowed the apps to gather device specific information, as well as personal information. The exploit also allowed the apps to download additional code that could be run on the device.[103] Within days, Google remotely wiped the apps from infected users and rolled out an update that would negate the exploits that allowed the apps to view information. They also announced that they would be resolving the issue to ensure that events like this did not occur again.[104] Security firms such as AVG Technologies and Symantec have released antivirus software for Android devices.

In August 2011, the security firm Lookout estimated that between half a million to one million Android users have been affected by malicious software in the first half of 2011. Lookout also reported that there was an increase of applications infected with malware, from 80 to 400 in the first six months of 2011.[105]

Qihoo 360, a Chinese Internet security firm, noted in a report that Android is the second largest mobile OS (behind Symbian) to be infected with malware within China. The report stated that Android has become the new "malware hotspot" largely due to the operating system's rise in popularity, and that there were 968 pieces of new malware and trojans targeting Android during the first half of 2011, up from 12 Android-specific threats in 2010.[106] In August 2011, McAfee, the popular anti-virus maker reported that Android was the most targeted mobile platform for malware during the second quarter of the year.[107]

Privacy

Android smartphones have the ability to report the location of Wi-Fi access points it encounters as phone users move around to build vast databases containing physical locations of hundreds of millions of such access points. These databases form electronic maps to locate smartphones, allowing them to run apps like Foursquare and companies like Google to deliver location-based ads.[108]

One design issue is that average users have no feasible ability to monitor how downloaded applications access and use private and sensitive data (e.g. location and hardware ID numbers). Even during installation, permission checks do not often indicate to the user how critical services and data will be used or misused. To identify how such information may be exfiltrated there is a need for third party monitoring software, such as TaintDroid[109] (an academic research-funded project). Installing such low-level monitoring tools requires programming skills, reflashing the ROM, and voids the warranty.[110] Users can also be notified of an application's behavior via a license agreement that is usually (not always, due to lack of enforcement), displayed on first use of the application but it is generally accepted that majority of the users do not read or understand the legal fine print in license agreements and often just skip and accept them.

Marketing

The Android logo was designed along with the Droid font family made by Ascender Corporation.[111]

Android Green is the color of the Android Robot that represents the Android operating system. The print color is PMS 376C and the RGB color value in hexadecimal is #A4C639, as specified by the Android Brand Guidelines.[112] The custom typeface of Android is called Norad (cf. NORAD). It is only used in the text logo.[113]

Market share

Research company Canalys estimated in Q2 2009 that Android had a 2.8% share of worldwide smartphone shipments.[114] By Q4 2010 this had grown to 33% of the market, becoming the top-selling smartphone platform. This estimate includes the Tapas and OMS variants of Android.[20]

In February 2010 ComScore said the Android platform had 9.0% of the U.S. smartphone market, as measured by current mobile subscribers. This figure was up from an earlier estimate of 5.2% in November 2009.[115] By the end of Q3 2010 Android's U.S. market share had grown to 21.4%.[116]

In May 2010, Android's first quarter U.S. sales surpassed that of the rival iPhone platform. According to a report by the NPD group, Android achieved 25% smartphone sales in the US market, up 8% from the December quarter. In the second quarter, Apple's iOS was up by 11%, indicating that Android is taking market share mainly from RIM, and still has to compete with heavy consumer demand for new competitor offerings.[117] Furthermore, analysts pointed to advantages that Android has as a multi-channel, multi-carrier OS, which allowed it to duplicate the quick success of Microsoft's Windows Mobile.[118] In Q4 2010 Android had 59% of the total installed user base of Apple's iOS in the U.S. and 46% of the total installed user base of iOS in Europe.[119][120]

As of June 2011 Google said that 550,000 new Android devices were being activated every day[121]—up from 400,000 per day two months earlier in May 2011, and more than 100 million devices have been activated.[18] Android hit 300,000 activations per day back in December 2010. In July 14, 2011 550,000 Android devices are now activated by Google each day with growth 4.4% per week.[122] On the 1st of August 2011 Canalys estimates Android has about 48% of the smartphone market share.[123]

Usage share

Usage share of the different versions, by October 3, 2011.[124]

Version
Distribution API level %
3.x.x Honeycomb 11-13 1.8%
2.3.x Gingerbread 9-10 38.7%
2.2 Froyo 8 45.3%
2.1 Eclair 7 11.7%
1.6 Donut 4 1.4%
1.5 Cupcake 3 1.1%

IP infringement claims

See also: Oracle Corporation § Lawsuit against Google

Both Android and Android phone manufacturers have been the target of numerous patent lawsuits. On 12 August 2010, Oracle sued Google over claimed infringement of copyrights and patents related to the Java programming language. The lawsuit claims that, "In developing Android, Google knowingly, directly and repeatedly infringed Oracle's Java-related intellectual property".[125] Specifically, the patent infringement claim references seven United States patents including US 5966702  "Method and apparatus for pre-processing and packaging class files", and US 6910205  "Interpreting functions utilizing a hybrid of virtual and native machine instructions".[126] In response, Google submitted multiple lines of defense, counterclaiming that Android did not infringe on Oracle's patents or copyright, that Oracle's patents were invalid, and several other defenses. They said that Android is based on Apache Harmony, a clean room implementation of the Java class libraries, and an independently developed virtual machine called Dalvik.[127][128][129]

In 2010, Microsoft began demanding licensing fees from hardware manufacturers shipping Android, claiming that the operating system infringes on several patents owned by Microsoft. Among others, Samsung, HTC Corporation, Acer, General Dynamics Itronix, Onkyo, Velocity Micro, ViewSonic and Wistron pay royalties to Microsoft on the Android devices they sell.[130]

Microsoft continues to file patent infringement lawsuits, against Barnes & Noble and Motorola.[131] Some commentators have noticed that Microsoft may be making as much as five times more money from Android patent settlements than they are with their own mobile operating system, Windows Phone 7.[132] Apple has filed similar lawsuits against Samsung and succeeded in having some of the latter's products temporarily banned from sale in some regions.[133]

Google has publicly expressed its dislike for the current patent landscape in the United States, accusing Apple, Oracle and Microsoft of trying to take down Android through patent litigation, rather than innovating and competing with better products and services.[134] In August 2011, Google purchased Motorola Mobility for US$12.5 billion, which was viewed in part as a defensive measure to protect Android, since Motorola Mobility had a 17,000-strong patent pool.[135]

References

  1. ^ Lextrait, Vincent (January 2010). "The Programming Languages Beacon, v10.0". Retrieved 2010-01-05.
  2. ^ "Codenames, Tags, and Build Numbers | Android Open Source". Source.android.com. 2010-06-24. Retrieved 2011-08-08.
  3. ^ Ashlee Vance, Brad Stone (24 March 2011). "Google Holds Honeycomb Tight". Bloomberg Businessweek. Retrieved 27 March 2011.
  4. ^ "MIPS gets sweet with Honeycomb". Eetimes.com. Retrieved 2011-08-08.
  5. ^ "Porting Android to x86". Android-x86. Retrieved 2011-08-08.
  6. ^ "Licenses". Android Open Source Project. Open Handset Alliance. Retrieved 2010-06-10.
  7. ^ "Google Projects for Android". code.google.com. Google Inc. 2011. Archived from the original on 2011-02-23. Retrieved 2011-02-23.
  8. ^ "Philosophy and Goals". source.android.com. Google Inc. 2011. Archived from the original on 2011-02-23. Retrieved 2011-02-23.
  9. ^ "Google Buys Android for Its Mobile Arsenal". Businessweek.com. 2005-08-17. Retrieved 2010-10-29.
  10. ^ "Open Handset Alliance". Open Handset Alliance. Retrieved 2010-06-10.
  11. ^ Jackson, Rob (10 December 2008). "Sony Ericsson, HTC Androids Set For Summer 2009". Android Phone Fans. Retrieved 2009-09-03.
  12. ^ a b c d "Industry Leaders Announce Open Platform for Mobile Devices" (Press release). Open Handset Alliance. 2007-11-05. Retrieved 2007-11-05.
  13. ^ (Press release). Open Handset Alliance title = FAQ http://www.openhandsetalliance.com/oha_faq.html title = FAQ. Retrieved 2010-11-15. {{cite press release}}: Check |url= value (help); Missing or empty |title= (help); Missing pipe in: |url= (help)
  14. ^ "Android Overview". Open Handset Alliance. Retrieved 2008-09-23.
  15. ^ "About the Android Open Source Project". Retrieved 2010-11-15.
  16. ^ Tim Bray (24 November 2010). "What Android Is". ongoing by Tim Bray. Retrieved 9 August 2011.
  17. ^ Shankland, Stephen (12 November 2007). "Google's Android parts ways with Java industry group". CNET News.
  18. ^ a b Barra, Hugo (10 May 2011). "Android: momentum, mobile and more at Google I/O". The Official Google Blog. Retrieved 10 May 2011.
  19. ^ "Android Stats". 25 Sep 2011. Retrieved 25 Sep 2011.
  20. ^ a b Tarmo Virki and Sinead Carew (2011-01-31). "Google topples Symbian from smartphones top spot". Reuters. Retrieved 1 February 2011.
  21. ^ "Google's Android becomes the world's leading smart phone platform (Canalys research release: r2011013)". Canalys. 31 January 2011. Retrieved 1 February 2011.
  22. ^ Markoff, John (2007-11-04). "I, Robot: The Man Behind the Google Phone". The New York Times. Retrieved 2008-10-14.
  23. ^ a b Kirsner, Scott (2007-09-02). "Introducing the Google Phone". The Boston Globe. Archived from the original on January 4, 2010. Retrieved 2008-10-24.
  24. ^ "T-Mobile Brings Unlimited Multiplayer Gaming to US Market with First Launch of Nokia N-Gage Game Deck" (Press release). Nokia. 23 September 2003. Retrieved 2009-04-05.
  25. ^ Elgin, Ben (17 August 2005). "Google Buys Android for Its Mobile Arsenal". BusinessWeek. Retrieved 2009-04-23.
  26. ^ a b Elgin, Ben (2005-08-17). "Google Buys Android for Its Mobile Arsenal". businessweek.com. Bloomberg L.P. Archived from the original on 2011-02-24. Retrieved 2011-02-24. In what could be a key move in its nascent wireless strategy, Google (GOOG) has quietly acquired startup Android Inc....
  27. ^ A Thousand Times Yes, by Ashlee Vance, Bloomberg BusinessWeek, August 1-August 7, 2011.
  28. ^ Block, Ryan (2007-08-28). "Google is working on a mobile OS, and it's due out shortly". Engadget. Retrieved 2007-11-06.
  29. ^ Sharma, Amol; Delaney, Kevin J. (2007-08-02). "Google Pushes Tailored Phones To Win Lucrative Ad Market". The Wall Street Journal. Retrieved 2007-11-06.
  30. ^ "Google admits to mobile phone plan". directtraffic.org. Google News. 2007-03-20. Retrieved 2007-11-06.
  31. ^ McKay, Martha (21 December 2006). "Can iPhone become your phone?; Linksys introduces versatile line for cordless service". [[The Record (Bergen County)|]]. p. L9. And don't hold your breath, but the same cell phone-obsessed tech watchers say it won't be long before Google jumps headfirst into the phone biz. Phone, anyone?
  32. ^ Ackerman, Elise (2007-08-30). "Blogosphere Aflutter With Linux-Based phone Rumors". Linux Insider. Retrieved 2007-11-07.[dead link‍]
  33. ^ Claburn, Thomas (2007-09-19). "Google's Secret Patent Portfolio Predicts gPhone". InformationWeek. Retrieved 2007-11-06.
  34. ^ Pearce, James Quintana (2007-09-20). "Google's Strong Mobile-Related Patent Portfolio". mocoNews.net. Retrieved 2007-11-07.
  35. ^ Martinez, Jennifer (2008-12-10). "Corrected: Update 2: More mobile phone makers back Google's Android". Reuters. Thomson Reuters. Retrieved 2008-12-13.
  36. ^ Kharif, Olga (2008-12-09). "Google's Android Gains More Powerful Followers". BusinessWeek. McGraw-Hill. Retrieved 2008-12-13.
  37. ^ a b "Google Android 3.0 "Honeycomb": Open source no more". ZDNet. 2011-03-24. Retrieved 2011-07-10.
  38. ^ Boulton, Clint (21 October 2008). "Google Open-Sources Android on Eve of G1 Launch". eWeek. Retrieved 2009-09-03.
  39. ^ Bort, Dave (21 October 2008). "Android is now available as open source". Android Open Source Project. Retrieved 2009-09-03.. Mirror link.
  40. ^ "Android issues reviewed". Code.google.com. Retrieved 2011-08-08.
  41. ^ "Android Open Source Project Frequently Asked Questions: Compatibility". source.android.com. Retrieved 13 March 2011.
  42. ^ Skyhook Wireless, Inc. vs Google, Inc (15 September 2010) ("This entirely subjective review, conducted solely by Google employees with ultimate authority to interpret the scope and meaning of the CDD as they see fit, effectively gives Google the ability to arbitrarily deem any software, feature or function 'non-compatible' with the CDD."), Text.
  43. ^ "Skyhook Wireless, Inc. vs. Google, Inc". Social Law Library Research Portal. December 2010. Retrieved 13 March 2011.
  44. ^ Bray, Tim (2011-04-06). "Android Developers Blog: I think I'm having a Gene Amdahl moment". Android-developers.blogspot.com. Retrieved 2011-08-08.
  45. ^ Honeycomb won't be open-sourced? Say it ain't so! (2011-03-24). "Honeycomb won't be open-sourced? Say it ain't so!". Androidcentral.com. Retrieved 2011-08-08.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  46. ^ Holly, Russel. "From I/O 2011 – Confirmed: Honeycomb source will never exist on its own". geek.com. Retrieved 11 May 2011.
  47. ^ "Google to Android Developers: 'Do Not Develop in the Open'". Read Write Hack. 7 September 2011. Retrieved 22 September 2011.
  48. ^ "Suit Opens a Window Into Google". The New York Times. 8 May 2011. Retrieved 22 September 2011.
  49. ^ "The Open Governance Index". VisionMobile. 29 July 2011. Retrieved 22 September 2011.
  50. ^ a b "Eric Schmidt, Google Chairman & CEO Keynote". Mobile World Congress. GSMA. 15 February 2011.
  51. ^ "Android 2.3 Platform Highlights". Android Developers. 6 December 2010. Retrieved 2010-12-07.
  52. ^ Mithun Chandrasekhar (2 February 2011). "Google's Android Event Analysis". AnandTech. Retrieved 5 February 2011. I confirmed this with Google; Honeycomb, at least in the current form, will not be coming to non-tablet devices.
  53. ^ Rapheal, JR. "Will Android Honeycomb come to smartphones?". Computerworld. Retrieved 24 February 2011.
  54. ^ "Android Platform Highlights". Google. Retrieved 24 February 2011. {{cite web}}: |first= missing |last= (help)
  55. ^ a b "Android 3.0 Platform Highlights". Android Developers. 26 January 2011. Retrieved 2011-01-26.
  56. ^ Nilay Patel (26 January 2011). "Motorola Atrix 4G and Xoom tablet launching at the end of February, Droid Bionic and LTE Xoom in Q2". Engadget. Retrieved 5 February 2011.
  57. ^ Ducrohet, Xavier (10 May 2011). "Android 3.1 Platform, New SDK tools". Android Developers Blog. Retrieved 10 May 2011.
  58. ^ Crothers, Brooke (2011-07-17). "Android 3.2 official, coming to a tablet near you". News.cnet.com. Retrieved 2011-08-08.
  59. ^ "Marc Benioff and Eric Schmidt Keynote". Dreamforce 2011. Salesforce.com. 1 September 2011.
  60. ^ Androidology – Part 1 of 3 – Architecture Overview (Video). YouTube. 2008-09-06. Retrieved 2007-11-07.
  61. ^ Paul, Ryan (23 February 2009). "Dream(sheep++): A developer's introduction to Google Android". Ars Technica. Retrieved 2009-03-07.
  62. ^ "Linux developer explains Android kernel code removal". ZDNet. 2010-02-02. Retrieved 2010-02-03.
  63. ^ a b Greg Kroah-Hartman (2010-02-02). "Android and the Linux kernel community". Retrieved 2010-02-03. Google shows no sign of working to get their code upstream anymore. Some companies are trying to strip the Android-specific interfaces from their codebase and push that upstream, but that causes a much larger engineering effort, and is a pain that just should not be necessary.
  64. ^ "Garrett's LinuxCon Talk Emphasizes Lessons Learned from Android/Kernel Saga". Linux.com. 2011-08-10. Retrieved 2011-01-02.
  65. ^ "DiBona: Google will hire two Android coders to work with kernel.org". www.zdnet.com. 15 April 2010. Retrieved 2010-04-29.
  66. ^ "Android/Linux kernel fight continues". Computerworld. 2010-09-07. Retrieved 2011-01-02.
  67. ^ Rafael J. Wysocki (24 November 2010). "An alternative to suspend blockers". lwn.net. Retrieved 7 September 2011.
  68. ^ Rafael J. Wysocki (12 November 2010). "Technical Background of the Android Suspend Blockers Controversy" (PDF). Retrieved 7 September 2011. ...the most controversial parts of the Android's opportunistic suspend infrastructure are not really necessary and therefore they should not be included into the mainline kernel.... it should be possible to convert the vast majority of the Android device drivers using wakelocks to the mainline kernel code base.
  69. ^ Steven J. Vaughan-Nichols (18 August 2011). "Linus Torvalds on Android, the Linux fork". zdnet.com. Retrieved 8 September 2011.
  70. ^ "What is Android?". Android Developers. 21 July 2009. Retrieved 2009-09-03.
  71. ^ Topolsky, Joshua (2007-11-12). "Google's Android OS early look SDK now available". Engadget. Retrieved 2007-11-12.
  72. ^ a b "Android Supported Media Formats". Android Developers. Retrieved 2009-05-01.
  73. ^ "Flash Flayer 10.1 for Android 2.2 Release Notes". Adobe Knowledgebase. Retrieved 27 January 2011.
  74. ^ "RealNetworks Gives Handset and Tablet OEMs Ability to Deliver HTTP Live Content to Android Users". realnetworks.com. 10 September 2010. Retrieved 27 January 2011. {{cite web}}: Text "RealNetworks" ignored (help)
  75. ^ Musil, Steven (11 February 2009). "Report: Apple nixed Android's multitouch". CNET News. Retrieved 2009-09-03.
  76. ^ Ziegler, Chris (2 February 2010). "Nexus One gets a software update, enables multitouch". Engadget. Retrieved 2010-02-02.
  77. ^ "Android 3.1 Platform Highlights". Android Developers. Retrieved 26 August 2011.
  78. ^ Bray, Tim (28 April 2010). "Multitasking the Android Way". Android Developers. Retrieved 2010-11-03.
  79. ^ "Speech Input for Google Search". Android Developers. Retrieved 3 November 2010.
  80. ^ "Voice Actions for Android". google.com. Retrieved 27 January 2011.
  81. ^ JR Raphael (6 May 2010). "Use Your Android Phone as a Wireless Modem". PCWorld. Retrieved 3 November 2010.
  82. ^ T. Le (27 June 2011). "Taking Screen Shots On The Android". AndroidSim. Retrieved 28 June 2011.
  83. ^ Jolie O'Dell (12 May 2011). "Androids Unite: How Ice Cream Sandwich Will End the OS Schism". Mashable. Retrieved 9 June 2011.
  84. ^ Laura June (6 September 2010). "Toshiba AC100 Android smartbook hits the United Kingdom". Engadget. Retrieved 9 June 2011.
  85. ^ "Android-x86 - Porting Android to x86".
  86. ^ "T-Mobile Unveils the T-Mobile G1 - the First Phone Powered by Android". HTC. Retrieved 2009-05-19. AT&T's first device to run the Android OS was the Motorola Backflip.
  87. ^ Richard Wray (14 March 2010). "Google forced to delay British launch of Nexus phone". London: guardian.co.uk.
  88. ^ "Android Apps Coming to BlackBerry, MeeGo Smartphones". Retrieved September 23, 2011.
  89. ^ David Wang (19 May 2010). "How to Install Android on Your iPhone". pcworld.com.
  90. ^ "Idroidproject.org". Idroidproject.org. Retrieved 2011-08-08.
  91. ^ "Android App Stats". Retrieved 31 December 2010.
  92. ^ Leena Rao (14 April 2011). "Google: 3 Billion Android Apps Installed; Downloads Up 50 Percent From Last Quarter". Techcrunch. Retrieved 13 May 2011.
  93. ^ "Google Android now on 130M total devices, with 6B app downloads". TechCrunch. 2011-07-14. Retrieved 2011-08-08.
  94. ^ "Android Compatibility". Android Open Source Project. Retrieved 31 December 2010.
  95. ^ "Android Compatibility". Android Developers. Retrieved 31 December 2010.
  96. ^ "Voice Actions for Android". Google.com. Retrieved 2011-08-08.
  97. ^ Ganapati, Priya (June 11, 2010). "Independent App Stores Take On Google's Android Market". Wired News. Retrieved 2011-02-02.
  98. ^ Perez, Sarah (2009-02-12). "Android Vulnerability So Dangerous, Owners Warned Not to Use Phone's Web Browser: Updated". Readwriteweb.com. Retrieved 2011-08-08.
  99. ^ "Google Responds To Android Malware, Will Fix Infected Devices And 'Remote Kill' Malicious Apps". Tech Crunch. March 6, 2011. {{cite news}}: |first= missing |last= (help)
  100. ^ "The Mother Of All Android Malware Has Arrived". Android Police. March 6, 2011. {{cite news}}: |first= missing |last= (help)
  101. ^ Paul, Ryan (2011-03-06). "Google using remote kill switch to swat Android malware apps". Arstechnica.com. Retrieved 2011-08-08.
  102. ^ "Google still scrambling to recover from DroidDream Android attack". News.idg.no. 2008-05-30. Retrieved 2011-08-08.
  103. ^ "Google Tool Cleans Up Mobile Malware 'Dream'". CSA. March 9, 2011. {{cite news}}: |first= missing |last= (help)
  104. ^ "[Updated] Google Acknowledges DroidDream: Remotely Wiping Apps, Removing Exploit, Making Changes To Prevent It From Happening Again | Android News, Reviews, Apps, Games, P". Androidpolice.com. Retrieved 2011-08-08.
  105. ^ "Lookout Mobile Threat Report" (PDF). mylookout.com. August 2011. Retrieved 2011-08-04.
  106. ^ "Android, Symbian top malware platforms in China". zdnetasia.com. August 2011. Retrieved 2011-08-23.
  107. ^ Kathrine Davio (2011-08-24). "Research Finds Android Unsafe, While iOS the Safest". Alpha Digits. Retrieved 2011-09-24.
  108. ^ Mike Swift (2011-04-29). "Google emails highlight value of location data". San Jose Mercury News.[dead link‍]
  109. ^ "AppAnalysis.org: Real Time Privacy Monitoring on Smartphones". Retrieved 2011-06-01.
  110. ^ Rios, Nate (July 5, 2011). "Is Rooting Your Device The Right Choice?". everythingandroid. Retrieved 22 July 2011.
  111. ^ Woyke, Elizabeth (26 September 2008). "Android's Very Own Font". Forbes.
  112. ^ "Brand Guidelines". Android. 23 March 2009. Retrieved 2009-10-30.
  113. ^ "Android Brand Guidelines". Android. 23 March 2009. Retrieved 2010-04-10.
  114. ^ "Canalys: iPhone outsold all Windows Mobile phones in Q2 2009". AppleInsider. 21 August 2009. Retrieved 2009-09-21.
  115. ^ "comScore Reports February 2010 U.S. Mobile Subscriber Market Share". Comscore.com. 5 April 2010. Retrieved 24 December 2010. RIM, 42.1%; Apple, 25.4%; Microsoft, 15.1%; Google (Android), 9.0%; Palm, 5.4%; others, 3.0%
  116. ^ "comScore Reports September 2010 U.S. Mobile Subscriber Market Share". Comscore.com. 3 November 2010. Retrieved 24 December 2010.
  117. ^ "Android hits top spot in U.S. smartphone market". 2010-08-04. Retrieved 2010-08-04.
  118. ^ Greg Sandoval (2010-08-02). "More signs iPhone under Android attack". Retrieved 2010-08-04.
  119. ^ "Apple iOS Platform Outreaches Android by 59 Percent in U.S. When Accounting for Mobile Phones, Tablets and Other Connected Media Devices". comScore. 19 April 2011.
  120. ^ Dalrymple, Jim (28 April 2011). "The truth about Android vs. iPhone market share".
  121. ^ "Google activates 500,000 Android devices a day, may reach 1 million in October". Yahoo News. 28 June 2011.
  122. ^ Kumparak, Greg (14 July 2011). "Android Now Seeing 550,000 Activations Per Day". Techcrunch.
  123. ^ "Android takes almost 50% share of worldwide smart phone market". 1 August 2011. Retrieved 2011-08-05.
  124. ^ "Android Platform Versions". Android Developers. Retrieved 10-03-2011. {{cite web}}: Check date values in: |accessdate= (help); Unknown parameter |cite= ignored (help); Unknown parameter |fecha= ignored (|date= suggested) (help)
  125. ^ Niccolai, James (12 August 2010). "Update: Oracle sues Google over Java use in Android". Computerworld. International Data Group Inc. Retrieved 20 August 2010.
  126. ^ "Oracle's complaint against Google for Java patent infringement". scribd.com. Retrieved 2010-08-13.
  127. ^ Singel, Ryan (5 October 2010). "Calling Oracle Hypocritical, Google Denies Patent Infringement". Wired News. Condé Nast. Retrieved 26 December 2010.
  128. ^ "Google Answers Oracle, Counterclaims, and Moves to Dismiss Copyright Infringement Claim". Groklaw. Pamela Jones. 5 October 2010. Retrieved 26 December 2010.
  129. ^ "Google Files Sizzling Answer to Oracle's Amended Complaint and its Opposition to Motion to Dismiss; updated 2Xs". Groklaw. 11 November 2010. Retrieved 26 December 2010.
  130. ^ Brad Smith and Horacio Gutierrez (September 28, 2011). "Our Licensing Deal with Samsung: How IP Drives Innovation and Collaboration". Technet. Retrieved 2011-09-28. The Samsung license agreement marks the seventh agreement Microsoft has signed in the past three months with hardware manufacturers that use Android as an operating system for their smartphones and tablets. The previous six were with Acer, General Dynamics Itronix, Onkyo, Velocity Micro, ViewSonic and Wistron. {{cite news}}: Cite has empty unknown parameter: |coauthors= (help)
  131. ^ Charles Arthur (2011-07-07). "What if patent fees for Android cost as much as licensing Windows Phone?". The Guardian. Guardian News and Media Ltd. Retrieved 7 August 2011.
  132. ^ "Is Microsoft getting $5 per HTC Android handset sold? We asked HTC..." Retrieved 2011-09-28.
  133. ^ "Samsung and Apple warring over patents again". Retrieved 2011-09-28.
  134. ^ "Google publicly accuses Apple, Microsoft, Oracle of patent bullying". Retrieved 2011-09-28.
  135. ^ "Google, needing patents, buys Motorola wireless for $12.5 billion". Retrieved 2011-09-28.
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