History and development of Android OS
- 1. History & development of Android operating system .
- 2. History • Android, Inc. was founded in Palo Alto, California in October 2003 by Andy Rubin , Rich Miner & Nick Sears .Android Inc. operated secretly, revealing only that it was working on software for mobile phones. • Google acquired Android Inc. on August 17, 2005, making it a wholly owned subsidiary of Google. First android phone version 1.0
- 3. Interface • Android's user interface is based on direct manipulation using touch inputs that correspond to real-world actions, like swiping, tapping, pinching and reverse pinching to manipulate on-screen objects . Internal hardware such as accelerometers , gyroscopes and proximity sensors are used by some applications to respond to additional user actions. Android full touch command interface
- 4. Development • Android is developed in private by Google until the latest changes and updates are ready to be released, at which point the source code is made available publicly. This source code will only run without modification on select devices. usually the Nexus series of devices. Latest android Jellybean version 4.2
- 5. Platform Android consists of a kernel based on Linux kernel version 2.6 and, from Android 4.0 Ice Cream Sandwich onwards, version 3.x, with middleware, libraries and APIs written in C, and application software running on an application framework which includes Java-compatible libraries. Android full framework diagram platform
- 6. Memory management • Since Android devices are usually battery-powered, Android is designed to manage memory (RAM) to keep power consumption at a minimum. When an Android app is no longer in use, the system will automatically suspend it in memory - while the app is still technically "open," suspended apps consume no resources .Apps don't need to be closed and reopened from scratch each time, but also ensuring background apps don't waste power needlessly.
- 7. Reception 2.24% 25.23% 50.76% 7.82% 4.22% 9.53% Total market share of android version
- 8. Beyond smart phone & tablets • The open and customizable nature of Android allows it to be used on other electronics, including laptops and net books, smart books smart TVs (Google TV) and cameras In addition, the Android operating system has seen applications on smart glasses , wrist watch& head phones . Sony smart wrist watch running on android 4.0.4
- 9. Latest android gadgets Google TV Google glasses Android powered smart TV Android powered smart glasses
- 10. In this modern age , our devices are becoming thicker . Micro processors are powering those devices but android operating system has the important role to make these devices ‘alive’.