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Computer Engineering

Android Phone Software (Operating System)
by

Tomi Obisesan

on 1 October 2012

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Transcript of Computer Engineering

Introduction

Who created the Android Operating System?

When was it created?

What is the Android Operating System?

How does it work? (features)

Why was the Android OS created?

Who are the competitors?

How much does it cost?

What is it going to be like in the future? Table of Content Software (OS) Software (OS) Introduction Who created the Android OS? Andy Rubin When was Android OS created? What is the Android OS? How does it work? (features) Competitors $ Future Why was it created? Cost • An operating system (OS) is a collection of software

• It is the most important program that runs on a computer

• It manages a computers hardware

• Provides common services for computer programs

• Operating systems perform basic tasks, such as recognizing input Mobile Operating System?

• Specifically designed to run on mobile devices

o such as mobile phones,

o smartphones,

o tablet computers • Much like the Linux or Windows operating system controls your desktop or laptop computer

• The mobile operating system is the software platform on top of which other programs, called application programs, can run on mobile devices.

• There are different types of mobile operating systems

o Blackberry OS

o Iphone OS

o Android OS

• It was programmed in C,C++, Java o Andy Rubin: Co-founder of both Danger Inc and Android

o Danger Inc was a company specializing in hardware design, software, and services for mobile computing devices. o Co-founder Andy Rubin left in 2003 to create the company Android, which was later acquired by Google. • He is currently Senior Vice President of Mobile and Digital Content at Google, where he oversees development of Android, an open-source operating system for smart phones. • Google acquired Android Inc. on August 17, 2005,
• Android Inc. a wholly owned subsidiary of Google. • The first version of the android OS was the Android 1.0 on September 23, 2008 • The first commercially available phone to run Android was the HTC Dream, released on October 22, 2008. o Features:
- Android Market – download apps
- Web browser, access to Web email
- Google Sync, allowing management of over-the-air synchronization of Gmail, People, and Calendar
- Google Talk instant messaging
- Media Player, enabling management, importing, and playback of media files – however, this version lacked video and stereo
- Bluetooth support
- Notifications appear in the Status bar, with options to set ringtone, LED or vibration alerts
- Voice Dialer
- Wallpaper
- Other apps include
- Wifi The latest is the 4.1.1 "Jelly Bean"[4] / July 10, 2012; 2 months ago • Android consists of a kernel based on the Linux kernel 2.6 and Linux Kernel 3.x (Android 4.0 onwards),

o Unix is a multitasking, multi-user computer operating system originally developed in 1969.

o Linux was originally developed as a free operating system for Intel x86-based personal computers.
• with middleware, libraries and APIs ( application programming interface) written in C and application software running on an application framework which includes Java-compatible .

• The main hardware platform for Android is the ARM architecture (Advanced RISC Machine: provide higher performance if this simplicity enables much faster execution of each instruction).

• Android's Linux kernel has further architecture changes by Google outside the typical Linux kernel development cycle.

• The flash storage on Android devices is split into several partitions, such as "/system" for the operating system itself and "/data" for user data and app installations.

• Android device owners are not given root access to the operating system for security reasons, and sensitive partitions such as /system are read-only.

• However, root access on the device can be obtained by exploiting security flaws in within Android, which is used frequently by the open source community to enhance the capabilities of their devices, but also by malicious parties to install viruses and malware. • Interface:

o Android's user interface is based on direct manipulation, using single- and multi-touch inputs like swiping, tapping, pinching and reverse pinching to manipulate on-screen objects. • Home screen:

o Similarly to a PC's desktop, Android devices boot to the home screen, its primary navigation and information point. • Notification shade:

o Notification shade is a status bar located at the top of the device's screen
o Shows information about the device and its connectivity. • Multitasking:

o Multitasking was improved with the release of Android 4.0 "Ice Cream Sandwich".

o When users hold down or press on a device's home button, a task manager with a list of recently-opened apps appear, which users may select to resume use of the application in the status it was last accessed at. • Google Play:

o Google Play is an online software store developed by Google for Android devices.

o An application program ("app") called "Play Store" is preinstalled on most Android devices

o allows users to browse and download apps published by third-party developers,

o As of June 2012, there were more than 600,000 apps available for Android, and the estimated number of applications downloaded from the Play Store exceeded 20 billion. 4.1.1 "Jelly Bean

Apple's iOS 6 for the iPhone 5
VS The ability to run tens of thousands of apps just like the iPhone but with choice of phone models that you can choose from. The choice of with or without physical keyboard, shape, color, phone size, screen size, manufacturer, features, and phone carrier.



Without contract
between $ 160 - $700
Full transcript