Monday, December 19, 2011


Android is a subset of software for mobile phones that includes the operating system, middleware and key applications that was released by Google. Currently provided by the Android SDK (Software Development Kit) as tools and APIs necessary to begin developing applications on the Android platform using the Java programming language.

The application framework that supports the replacement of components and reusable.
Dalvik virtual machine optimized for mobile devices
Integrated browser based on open source WebKit engine
The graphics are optimized and supported by a 2D graphics library, 3D graphics based on OpenGL ES 1.0 specification (hardware acceleration optional)
SQLite for data storage
Support media that supports audio, video, and images (MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, GIF)
GSM Telephony (hardware dependent)
Bluetooth, EDGE, 3G, and WiFi (hardware dependent)
Camera, GPS, compass, and accelerometer (hardware dependent)
Development environment is full and rich, including the device emulator, tools for debugging, memory and performance profiles, and plugins for the Eclipse IDE

Application Framework:

Developers have full access framwork the same API used by the core application. Application architecture is designed so that components can be reused (reuse) with ease. any application can utilize this capability, and other applications may use this capability (in accordance with the security restrictions defined by the framework). The same mechanism allows components to be replaced by the user.
All applications which is a series of services and systems, including:
View rich and extensible set which can be used to build applications, including lists, grids, text boxes, buttons, and even an embeddable web
Content Providers that enable applications to access data (such as from the phone contact list) or from their own data
Resource Manager, which provides access to non-local source code such as strings, images, and layout files
Notification Manager that enables all applications to display custom alerts in the status bar
An Activity Manager that manages the application life cycle and provides a common navigation backstack

Operating System is a program that serves as the basis of mengoprasikan and enable the connection of all the hardware in it. Android is the operating system for mobile phones based on Linux. Android provides an open platform for developers (developers) to create their own applications. Initially, Google Inc.. buy Android Inc.., newcomers who make the operating system for mobile phones. Then to develop Android, formed the Open Handset Alliance, a consortium of 34 companies hardware, software, and telecommunications, including Googlee, HTC, Intel, Motorola, Qualcomm, T-Mobile, and Nvidia.
In July 2000, Google Inc. in cooperation with the Android., A company located in Palo Alto, California, United States. The founders of Android Inc.. working at Google, including Andy Rubin and Rich Miner, Nick Sears, and Chris White. At that time many consider the functions of Android Inc.. just as software on mobile phones. Since then rumors that Google was about to enter the mobile phone market. At the company Google, Rubin led the team in charge of developing programs of mobile devices supported by the Linux kernel. This shows an indication that Google is preparing for a competition in the mobile phone market. latest android version is version 3.0. Android also has joined with several smart mobile such as Nokia, Sony Ericsson, and others
At the inaugural release of Android, 5 November 2007, with the Open Handset Alliance Android states support the development of open standards on mobile devices. On the other hand, Google released the Android code under the Apache license, a license is open standard software and mobile devices. In this world there are two types of distributors operating system Android. The first fully supported by Google or Google Mail Services (GMS) and the second is a completely free distribution without the direct support Google's otherwise known as the Open Handset Distribution (OHD).
Google's Android operating system will enliven the artificial world of smart phone market. Almost all mobile phone vendors except Nokia is ready to adopt this technology. Android is now in a good position to become the top level in the Smart phone for two to three years "(Neil Mawston, director at Strategy Analytics)".
Android operating system be a good choice for smart phone vendors because it has a license fee is cheaper and its semi opensource. Not only that Android would certainly support the various services from Google. Although problems had hampered trademark Android, Google's Android still will release to the market. Google hampered previous issue Android trademark name that has been patented by a company defeloper software and Internet applications in the U.S. Patent and Trademark Office (USPTO) with Android name Dara.

1. Android version 1.1. Android version is equipped with an aesthetic update to the application, alarm clock, voice search (voice search), sending messages with Gmail, and email notification

2. Android version 1.5 (Cupcake) Android this version There are several updates including the addition of several features in this mobile version: the ability to record and watch videos with the camera mode, upload to Youtube videos and pictures to Picasa directly from the phone, A2DP Bluetooth support, the ability to connect automatically to a Bluetooth headset, animated screen and keyboard on the screen that can be tailored to the system

3. Android version 1.6 (Donut). Android version shows the search process better than before, the use of a battery indicator and control applet VPN. Another feature is the gallery that allows users to select photos to be removed; cameras, camcorders and interface the gallery; CDMA / EVDO, 802.1x, VPN, Gestures, and Text-to-speech engine; ability to dial a contact; technological change text to speech (not available on all phones; procurement VWGA resolution.

4. Android version 2.0/2.1 (Eclair). Android version shows the changes made is the optimization of hardware, improved Google Maps 3.1.2, change the UI with a new browser and support for HTML5, the new list of contacts, support for 3.2 MP camera flash, digital zoom, and Bluetooth 2.1.

5. Android version 2.2 (Froyo: Frozen Yogurt). Android version provides support for Adobe Flash 10.1, speed performance and application of 2 to 5 times faster, integration V8 JavaScript engine used by Google Chrome that speeds rendering capability in the browser, the installation of applications in the SD Card, skills portable WiFi Hotspot, and the ability to auto update in the Android Market application.

6. Android version 2.3 (Gingerbread). Android version provides support for capacity building games (gaming), improved copy paste function, the display interface (User Interface) redesigned, support for video formats VP8 and WebM, new audio effects (reverb, equalization, headphone virtualization, and bass boost), ability to support Near Field Communication (NFC), and support the number of cameras is more than one.

7. Android version 3.0 (Honeycomb). Android version supports larger screen sizes. User Interface on Honeycomb is also different because it was designed for the tablet. Honeycomb also supports multi-processors and hardware acceleration (hardware) for graphics


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