MOBILE OPERATING SYSTEM

Presented By : Vishal Soni08EEACS093

Contents…

Introduction to Android Different Flavors of Android Android System Architecture Other features of Android Rooting and Custom ROMs Advantages and Disadvantages Future Scope and Improvements

Introduction to Android…

Fastest growing mobile OS Over 850,000 Android activations a day Android overtook iOS as the dominant OS

in US in 2010 Currently an OS of choice for Motorola,

HTC, Samsung, Sony Ericsson, among others

Software updates every few months

Android – What is it?

Software Stack for Mobile Devices including OS, Middleware and Applications.

Open Source Dalvik Virtual Machine optimised for mobile Optimised 2D and 3D graphics Support for radio interfaces, Bluetooth, WiFi,

Camera, GPS, accelerometer Media support (MPEG4, H.264, MP3, AAC, JPG,

PNG,…) Software Development Kit (SDK) Preinstalled applications from Google (GMS)

Open Handset Alliance

Handset Alliance, a consortium of several companies which include Broadcom Corporation, Google, HTC, Intel, LG, Marvell Technology Group, Motorola, Nvidia, Qualcomm, Samsung Electronics, Sprint Nextel, T-Mobile, Texas Instruments ARM Holdings, Atheros Communications, Asustek Computer Inc., Garmin Ltd., Huawei Technologies, PacketVideo, Softbank, Sony Ericsson, Toshiba Corp. , and Vodafone Group .

The goal of the Open Handset Alliance is to develop open standards for mobile devices.

Different Flavors of Android

Version 1.0 (Not Named Officially) 1.5 Cupcake 1.6 Donut 2.0/2.1 Éclair 2.2 Froyo 2.3 Gingerbread 3.0 Honeycomb 4.0 Ice Cream Sandwich

Version 1.0

Android Market Web browser Camera support Google Sync, allowing management of over-the-

air synchronization of Gmail, People, and Calendar

Google Talk instant messaging, Text Messaging, and MMS

Wi-Fi and Bluetooth support Wallpaper Youtube Video Player Other Apps like clock, calculator dialer etc

1.5 Cupcake

Video recording and playback in MPEG-4 and 3GP formats

Support for Widgets Copy and paste features Animated screen transitions Added auto-rotation option Ability to upload videos to Youtube Ability to upload photos to Picasa Text prediction and user dictionary for

custom words

1.6 Donut

Support for WVGA screen resolutions Updated technology support for

CDMA/EVDO, 802.1x, VPNs Multi-lingual speech synthesis engine Expanded Gesture framework and new

Gesture Builder development tool Speed improvements in searching and

camera applications

2.0/2.1 Eclair

Improved Google Maps 3.1.2 Expanded Account sync Bluetooth 2.1 support New camera features, including flash

support, digital zoom, scene mode, white balance, color effect and macro focus

Optimized hardware speed and revamped UI Addition of live wallpapers, allowing the

animation of home-screen background images to show movement

2.2 Froyo

Adobe Flash support USB tethering and Wi-fi Hotspot

functionality Support for extra-high-PPI screens Speed, memory, and performance

optimizations Updated Market application with

automatic update features

2.3 Gingerbread

Support for Near Field Communication Updated user interface design with

increased simplicity and speed Native support for VOIP internet

telephony Support for multiple cameras on the

device Native support for more sensors Enhanced copy/paste functionality

3.0 Honeycomb

Support for multi-core processors Ability to encrypt all user data Support for video chat using Google Talk Simplified multitasking Multiple browser tabs Hardware acceleration

4.0 Ice Cream Sandwich (ICS)

Enhanced speed and performance Virtual buttons in the UI Face Unlock, a feature that allows users to

unlock handsets using facial recognition software

Built-in photo editor Android Beam, a NFC feature allowing the rapid

short-range exchange of web bookmarks, contact info, directions, YouTube videos and other data

1080p video recording for stock Android devices

Android System Architecture

Other Features of Android

Android SDK Google Play (Earlier known as Android

Market) Market Share of Android - 52.5%, Symbian

(17%), iOS (16), Rest (14.5%) Over 850,000 Android devices being

activated daily. Android offers other features like multi-

touch, tethering, multiple language support, media support, video calling, multi tasking, voice based features etc.

Various Devices Running Android

Mobile Phones Tablets Wrist Watches Computer in a Car - Roewe 350 is the first car in the world

equipped with Google’s mobile operating system Android Smart TVs PDAs Netbooks Ebook Readers Gaming Consoles Cameras

Rooting

Rooting is used to attain privileged control within Android's subsystem

Used to run specialized apps that require administrator-level permissions

Facilitate the complete removal and replacement of the device's operating system.

Voids the warranty May lead to Bricking

Custom ROMs

Increase performance and reliability Already Rooted Improved UI Higher Versions of OS available Bugs Fixed

Advantages

Android is Open Source Customizations Abundant APP support Account Sync Fits our Budget Rootable Customs ROMs can be installed Android Beam, TV, Face Unlock Wi-fi Hotspot Functionality

Disadvantages

Open Source – Vulnerable to security threats

Very unstable and often hang or crash Extremely inconsistence in design among

apps The interface is somewhat instable and

laggy. It consumes a lot of Battery juice Too many versions of Android. UI depends upon the mobile phone

manufacturer

Future Scope and Improvements

Laser Keyboard Holographic Display Voice assistant like Siri for iOS Better Battery Backup Increased Throughput

THANK YOU…

QUERIES !!!