Android
Android is extensive open source platform, which was created especially for mobile devices (Smartphones, PDA, Navigation, Tablets). It incorporates operating system (based on Linux kernel), middleware, user interface and applications. It develops a consortium Open Handset Alliance whose objective is progressive development of mobile technologies that will significantly lower the cost of development and distribution, while consumers benefit from innovative user-friendly environment. In developing the system, it was taken into account the constraints which traditional mobile devices had such as battery drain, Lower performance and less available memory. Simultaneously, Android core was designed to run on any hardware. The system can be used regardless of Chipset, Size or the Screen resolution.
Android platform itself gives only available with the operating system user interface for end users, but also a complete operating system deployment solution (specification Driver etc.) for mobile operators and equipment manufacturers and also for application developers provides effective tools for their development – Software Development Kit.
Available via an Apache License Version 2 operating system includes all the utilities needed by a manufacturer or an operator to implement on a cell phone.
Android operating system was designed to best integrate existing applications like Google Mail Service Gmail, The mapping, Google Maps, Or Google Calendar, Google Talk, YouTube. Particular emphasis is placed on geolocation with Google Latitude and the weather corresponding to the nearest city available on the main menu.
Since the first release of Android, Google have added many new features and changes. Below is list of the main changes per version:
Android 4.1 Jellybean
* New Menu
* Improved Face
* New standard widgets added
* Size of the widgets are customizable
* Graphics speed optimized
* A smarter keyboard
* Gesture Mode added
* Android Beam added
* A new look for the Google Search app
Android 4.0 Ice Cream Sandwich
* Google TV
* For smartphones and tablets
* New APIs
* Optimized apps for the available space
* Face Tracking
* A combination of Honeycomb with Gingerbread.
* New Font Roboto for larger screens
* The default browser is faster
* Panoramas
* Spell has improved
* Smoother change homescreen
* Adapted UI
* Folders optimized
Android 3.2 Honeycomb
* New zoom-to-fill option (smartphone apps can run full screen)
* Now suitable for screens smaller than 10 inches
* Better support for Qualcomm SoC
Android 3.1 Honeycomb
* Google Books and Google Movies available in the Android Market
* USB Host function
* Improved task switcher for multitasking
* Widgets are scalable
* Smoother switching between apps
Android 3.0 Honeycomb
* Optimizations for tablets (Gmail)
* Google eBooks
* Google Talk (face-to-face chat)
* 3D Google Maps
* Optimizations for dual core processors
Android 2.3 Gingerbread
* Support for WebM
* Improved copy and paste Functionality
* Enhanced functionality with social networks
* Optimized for large screen resolutions (tablets)
* In version 2.3.3 of its functions NFC added
* In version 2.3.4 are voice and video calls over Google Talk added
* In version 2.3.5 are NFC improvements and general bug fixes can be found
* In version 2.3.6: Voice Search improvement
* In version 2.3.7: improvements to the safety and support for Google Wallet (currently U.S. only)
Android 2.2 Froyo
* Adobe Flash 10.1
* Install programs on a remote SD card
* A JIT compiler for the Dalvik Virtual Machine (Much faster program execution)
* Newer browser
* Wifi hotspot
* Expanded Microsoft Exchange Support
Android 2.0 / 2.1 Eclair
* Support Bluetooth 2.1
* More screen resolutions
* HTML5 support
* Better resolution
Android 1.6 Donut
* Expanded Market
* Photo and video enhancements
* VPN
* Speech synthesis and voice-search
* Gestures (finger gestures)
Android 1.5 Cupcake
* Bluetooth A2DP
* Links with YouTube and Picasa
* Functions Video Camera (recording and playback)
