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01 Introduction to Android
Android is an open-source operating system used for mobile devices like smartphones and tablets. It was developed by Android Inc, which was acquired by Google in 2005. The first commercial version was released in 2008. Android is developed as part of the Open Handset Alliance led by Google. It uses a Linux kernel and allows developers to write Java applications distributed through app stores. Android powers hundreds of millions of devices worldwide and has the largest installed base of any mobile platform.
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01 Introduction to Android
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- 2. Android • Android isan open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. • Android is a software stack for mobile devices that includes an operating system, middleware and key applications.
- 3. History • The firstbeta version of the Android Software Development Kit (SDK) was released by Google in 2007 where as the first commercial version, Android 1.0, was released in September 2008. • The source code for Android is available under free and open source software licenses. Google publishes most of the code under the Apache License version 2.0 and the rest, Linux kernel changes, under the GNU General Public License version 2.
- 4. Open Handset Alliance •It's a consortium of 84 companies such as google, samsung, AKM, synaptics, KDDI, Garmin, Teleca, Ebay, Intel etc. • It was established on 5th November, 2007, led by Google. It is committed to advance open standards, provide services and deploy handsets using the Android Plateform.
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- 6. Android Timeline • Initially,Andy Rubin founded Android Incorporation in Palo Alto, California, United States in October, 2003. • In 17th August 2005, Google acquired android Incorporation. Since then, it is in the subsidiary of Google Incorporation. • The key employees of Android Incorporation are Andy Rubin, Rich Miner, Chris White and Nick Sears. • Originally intended for camera but shifted to smart phones later because of low market for camera only. • Android is the nick name of Andy Rubin given by coworkers because of his love to robots. • In 2007, Google announces the development of android OS. • In 2008, HTC launched the first android mobile.
- 7. Android Versions Version Code nameAPI Level 1.5 Cupcake 3 1.6 Donut 4 2.1 Eclair 7 2.2 Froyo 8 2.3 Gingerbread 9 and 10 3.1 and 3.3 Honeycomb 12 and 13 4.0 Ice Cream Sandwitch 15 4.1, 4.2 and 4.3 Jelly Bean 16, 17 and 18 4.4 KitKat 19 5.0 Lollipop 21
- 8. Phones using Android HTCG1, Droid, Tattoo Motorola Droid (X) Suno S880 Samsung Galaxy Sony Ericsson
- 9. Tablets Velocity Micro CruzGome FlyTouch Acer beTouch Dawa D7 Toshiba Android SmartBook Cisco Android Tablet
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- 14. Android Applications • Androidapplications are usually developed in the Java language using the Android Software Development Kit. • Once developed, Android applications can be packaged easily and sold out either through a store such as Google Play or the Amazon Appstore. • Android powers hundreds of millions of mobile devices in more than 190 countries around the world. It's the largest installed base of any mobile platform and growing fast. • Every day more than 1 million new Android devices are activated worldwide.
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