the Open Handset Distribution OHD are free and without direct support of Google.
b. Android Operation System
Android is an operation system that developed for mobile phone based on Linux. This operating system was initially
developed by Android Inc. which was later bought by Google in 2005. In an effort to develop Android, in 2007 an Open Headset
Alliance OHA, a consortium of several companies, namely, Texas Instruments, Boardcom Corporation, Google, HTC, Intel,
LG, Marvell Technology Group, Motorola, Nvidia, Qualcomm, Samsung, and so on with the goal to develop open standards for
mobile devices Stephanus Hermawan, 2011;2. Some of the android system that have been released are as
follows: Starting from version 1.1, Android version 1.5 Cupcake, android version 1.6 Donut, android version 2.02.1Eclair,
android 2.2 Froyo, android 2.3 Gingerbread, android version 3.03.1 Honeycomb, android version 3.0 Ice Cream Sandwich,
android version 4.0 Jelly Bean, android version 4.1 Kitkat. Each development version has more improvements that make help
human in daily life. According
to Stephanus
Hermawan 2011;4-5
the development of the android operating system and the application
itself refers to four principles, namely:
1. Available
An application on Android can retrieve and access the phone main functions such as making calls, sending text messages,
use of the camera. So the the developers can make application more better.
2. All application are equal
Android does not differentiate between core application mobile phones and third-part application. Both types of application can
be built and has the same access to the phone. 3.
Break down the application limitations Android throw various barriers to build innovative new
applications. Like build applications that allow users to view the site and connect with friends.
4. Development a quick and easy application
Android provides access to various libraries and tools that can be used to build rich applications.
According to Stephanus Hermawan 2011: 5-6 Android provides a variety of features. Features available on Android is:
1 Application framework: enables the use and transfer of the
available components 2
Dalvik Virtual Machine: virtual machine optimized for mobile devices
3 Graphic: 2D and 3D Graaphics based on the Open GL
library 4
SQLite for data storage 5
Support media: audio, video, and a variety of formal images MPEG4, h.264, MP3, AAC, AMR, JPG, PNG,
GIF. 6
GSM, Bluetooth, EDGE, 3G, and WIFI depending on hardware
7 Camera, Global Positioning System GPS, compass and
accelerometer depending on hardware 8
A rich development environment, including emulators, debugging tools and plugins for the Eclipse IDE.
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