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{{#seo:
{{#seo:
|title=Android – Google’s Open Source Mobile Operating System
|title=Android Biography History, Features & Growth
|description=Android is the world’s most popular mobile operating system developed by Google. Learn about its history, architecture, features, and global usage.
|description=Explore Android OS – the world’s most popular mobile operating system developed by Google. Learn its versions, features, and open-source foundation.
|image=Android_robot.svg
|keywords=Android Biography, Android OS, Google Android, Android versions, mobile operating system, open source Android, Android smartphones
|keywords=Android, Android OS, Google Android, mobile operating system, Android 14, smartphone OS
|image=https://knowlepedia.org/images/android-os.jpg
}}
|og:type=article
 
|og:title=Android Operating System – Google’s Mobile Powerhouse
{{Infobox software
|og:description=Android OS powers billions of smartphones. Learn its journey from Android Inc. to Google’s open-source giant.
| name            = Android
|og:image=https://knowlepedia.org/images/android-os.jpg
| logo            = Android robot.svg
|twitter:card=summary_large_image
| screenshot      = Android homescreen.png
}} {{Infobox software
| caption          = Android 13 Home Screen
| name            = Android {{Verified}}
| developer        = [[Google]], [[Open Handset Alliance]]
| developer      = [[Google]]
| released        = {{start date|2008|09|23}}
| initial_release = September 23, 2008
| programming_language = [[Java]], [[Kotlin]], [[C]], [[C++]]
| operating_system= Android OS
| operating_system = [[Linux kernel]]
| website         = https://www.android.com/
| language        = Multilingual
}}'''Android''' is a '''mobile operating system''' developed by [[Google]], initially developed by '''Android Inc.''' and based on the '''Linux kernel'''. It is designed primarily for touchscreen devices like smartphones and tablets, although it also powers wearables, televisions, in-car systems, and laptops. Android has evolved into the most widely used mobile OS in the world, with billions of active devices globally.<ref>https://www.android.com/</ref>
| genre            = [[Mobile operating system]]
| license          = [[Apache License 2.0]], some components [[GNU GPL]]
| website         = [https://www.android.com www.android.com]
}}
 
'''Android''' is a '''mobile operating system''' developed by [[Google]], initially developed by '''Android Inc.''' and based on the '''Linux kernel'''. It is designed primarily for touchscreen devices like smartphones and tablets, although it also powers wearables, televisions, in-car systems, and laptops. Android has evolved into the most widely used mobile OS in the world, with billions of active devices globally.<ref>https://www.android.com/</ref>


== History ==
== History ==
Android Inc. was founded in October 2003 by '''Andy Rubin''', '''Rich Miner''', '''Nick Sears''', and '''Chris White'''. Originally, it aimed to create an advanced operating system for digital cameras. However, the focus later shifted to smartphones to rival systems like Symbian and Windows Mobile. Google acquired Android Inc. in 2005 for an estimated $50 million, marking a strategic entry into the mobile ecosystem.<ref>https://en.wikipedia.org/wiki/Android_(operating_system)</ref>
Android Inc. was founded in October 2003 by '''Andy Rubin''', '''Rich Miner''', '''Nick Sears''', and '''Chris White'''. Originally, it aimed to create an advanced operating system for digital cameras. However, the focus later shifted to smartphones to rival systems like Symbian and Windows Mobile. Google acquired Android Inc. in 2005 for an estimated $50 million, marking a strategic entry into the mobile ecosystem.


In 2007, the '''Open Handset Alliance''' was formed, comprising companies like Google, HTC, Sony, Dell, Intel, Motorola, and others. Its aim was to advance open standards for mobile devices. The first Android-powered device, the HTC Dream (T-Mobile G1), was launched in 2008.
In 2007, the '''Open Handset Alliance''' was formed, comprising companies like Google, HTC, Sony, Dell, Intel, Motorola, and others. Its aim was to advance open standards for mobile devices. The first Android-powered device, the HTC Dream (T-Mobile G1), was launched in 2008.
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== Version History ==
== Version History ==
Android versions are named alphabetically after desserts or sweets (until Android 10). Some key versions include:
Android versions are named alphabetically after desserts or sweets (until Android 10). Some key versions include:
* Android 1.5 Cupcake – Introduced the on-screen keyboard
 
* Android 2.2 Froyo – USB tethering, Wi-Fi hotspot
Android 1.5 Cupcake – Introduced the on-screen keyboard
* Android 4.0 Ice Cream Sandwich – Holo UI, facial unlock
 
* Android 5.0 Lollipop – Material Design
Android 2.2 Froyo – USB tethering, Wi-Fi hotspot
* Android 6.0 Marshmallow – App permissions, Doze mode
 
* Android 10 – System-wide dark theme, no more dessert names
Android 4.0 Ice Cream Sandwich – Holo UI, facial unlock
* Android 14 – Enhanced privacy and security features (latest)<ref>https://developer.android.com/about/versions</ref>
 
Android 5.0 Lollipop – Material Design
 
Android 6.0 Marshmallow – App permissions, Doze mode
 
Android 10 – System-wide dark theme, no more dessert names
 
Android 14 – Enhanced privacy and security features (latest)<ref>https://developer.android.com/about/versions</ref>


== Features ==
== Features ==
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=== Cross-Platform ===
=== Cross-Platform ===
Runs across various form factors:
Runs across various form factors:
* Smartphones (e.g., Pixel, Galaxy)
 
* Tablets (e.g., Galaxy Tab)
Smartphones (e.g., Pixel, Galaxy)
* Smartwatches (Wear OS)
 
* Smart TVs (Android TV, Google TV)
Tablets (e.g., Galaxy Tab)
* Cars (Android Auto)
 
* IoT Devices (Android Things)
Smartwatches (Wear OS)
 
Smart TVs (Android TV, Google TV)
 
Cars (Android Auto)
 
IoT Devices (Android Things)


== Architecture ==
== Architecture ==
Android’s architecture is layered and modular:
Android’s architecture is layered and modular:


# '''Linux Kernel''': Provides hardware abstraction, memory management, power management, and security.
'''Linux Kernel''': Provides hardware abstraction, memory management, power management, and security.
# '''Hardware Abstraction Layer (HAL)''': Acts as an interface between hardware and the higher layers.
 
# '''Android Runtime (ART)''': Executes apps using ahead-of-time compilation.
'''Hardware Abstraction Layer (HAL)''': Acts as an interface between hardware and the higher layers.
# '''Native C/C++ Libraries''': Include WebKit, SQLite, SSL, etc.
 
# '''Application Framework''': Offers APIs for app development (location, notifications, activity lifecycle).
'''Android Runtime (ART)''': Executes apps using ahead-of-time compilation.
# '''Apps''': User-facing applications written in Java/Kotlin using the Android SDK.
 
'''Native C/C++ Libraries''': Include WebKit, SQLite, SSL, etc.
 
'''Application Framework''': Offers APIs for app development (location, notifications, activity lifecycle).
 
'''Apps''': User-facing applications written in Java/Kotlin using the Android SDK.


== Development Tools ==
== Development Tools ==
* '''Android Studio''': The official IDE
 
* '''Languages''': Java, Kotlin (official), C++ (via NDK)
'''Android Studio''': The official IDE
* '''Build System''': Gradle
 
* '''Emulator''': For testing across different devices and versions
'''Languages''': Java, Kotlin (official), C++ (via NDK)
* '''Jetpack Libraries''': Architecture components, navigation, lifecycle-aware programming
 
'''Build System''': Gradle
 
'''Emulator''': For testing across different devices and versions
 
'''Jetpack Libraries''': Architecture components, navigation, lifecycle-aware programming


== Ecosystem and OEMs ==
== Ecosystem and OEMs ==
Android is used by a variety of '''OEMs''' (Original Equipment Manufacturers):
Android is used by a variety of '''OEMs''' (Original Equipment Manufacturers):
* Samsung
Samsung
* Xiaomi
Xiaomi
* Oppo
 
* Vivo
Oppo
* Realme
 
* Motorola
Vivo
* Sony
 
* HMD Global (Nokia)
Realme
* Asus
 
Motorola
 
Sony
 
HMD Global (Nokia)
 
Asus


Each OEM may ship Android with a custom UI layer like One UI (Samsung), MIUI (Xiaomi), or ColorOS (Oppo).
Each OEM may ship Android with a custom UI layer like One UI (Samsung), MIUI (Xiaomi), or ColorOS (Oppo).


== Usage and Market Share ==
== Usage and Market Share ==
As of 2025, Android holds over '''70%''' of the global smartphone OS market share. It dominates emerging markets and is used by a wide demographic across price points, from budget to flagship devices.<ref>https://www.statista.com/statistics/272698/global-market-share-held-by-mobile-operating-systems/</ref>
As of 2025, Android holds over '''70%''' of the global smartphone OS market share. It dominates emerging markets and is used by a wide demographic across price points, from budget to flagship devices.


== Challenges and Criticism ==
== Challenges and Criticism ==
Despite its popularity, Android has faced some issues:
Despite its popularity, Android has faced some issues:
* Fragmentation – Different versions across devices
 
* Privacy Concerns – Data sharing with Google
Fragmentation – Different versions across devices
* Malware – Due to open APK installs
 
* Slow Updates – OEMs delay security/OS patches
Privacy Concerns – Data sharing with Google
 
Malware – Due to open APK installs
 
Slow Updates – OEMs delay security/OS patches


== Future of Android ==
== Future of Android ==
Google continues to refine Android with each version. With the introduction of Project Treble, modular updates have become faster. The company is also focusing on:
Google continues to refine Android with each version. With the introduction of Project Treble, modular updates have become faster. The company is also focusing on:
* '''Foldables and large screen devices'''
 
* '''AI and on-device ML'''
'''Foldables and large screen devices'''
* '''Seamless updates and virtualization'''
 
'''AI and on-device ML'''
 
'''Seamless updates and virtualization'''


== See Also ==
== See Also ==
* [[iOS]]
[[iOS]]
* [[Google Play]]
 
* [[Wear OS]]
[[Google Play]]
* [[Fuchsia (operating system)]]
 
Wear OS
 
Fuchsia (operating system)


== References ==
== References ==
<references/>
<references/>
[[Category:Articles needing expansion]]
[[Category:Articles needing more references]]
[[Category:Android (operating system)]]
[[Category:Mobile operating systems]]
[[Category:Google software]]
[[Category:Operating system software]]