getting started with android programming

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Getting Started with Android Programming CPTR322: Mobile Application Development Henry Osborne

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Background information on the Android platform

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Page 1: Getting started with Android Programming

Getting Started with Android Programming

CPTR322: Mobile Application Development

Henry Osborne

Page 2: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 2

What is Android?

• Mobile operating system based on a modified version of Linux

• Developed by startup, Android, Inc.

• Acquired by Google in 2005

• Code released under the open source Apache License

• Offers a unified approach to application development

Page 3: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 3

Android Versions

Version Release Date Codename

1.1 9 February 2009

1.5 30 April 2009 Cupcake

1.6 15 September 2009 Donut

2.0/2.1 26 October 2009 Éclair

2.2 20 May 2010 Froyo

2.3 6 December 2010 Gingerbread

3.0/3.1/3.2 22 February 2011 Honeycomb

4.0 19 October 2011 Ice Cream Sandwich

Page 4: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 4

Android Versions, cont’d

Version Release Date Codename

4.1/4.2/4.3 27 June 2012 Jelly Bean

4.4 3 September 2013 KitKat

Page 5: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 5

Historical Android version distribution according to Android Market/Play Store usage. From December 2009 to December 2013.

Page 6: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 6

Android Versions, cont’d

• Android 3.0, tablet-only release supporting widescreen devices

• Key changes are:• UI optimized for tablets

• 3D desktop with new widgets

• Refined multi-tasking

• New web browser features

• Multi-core processor support

Page 7: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 7

Android Versions, cont’d

• Android 4.0 brought all the features of 3.0 to smartphones

• New features include:• Facial recognition unlock

• Data usage monitoring

• Near Field Communication (NFC)

Page 8: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 8

Features of Android

• Storage – uses SQLite

• Connectivity – supports GSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi, LTE, and WiMAX

• Messaging – SMS and MMS

• Web browser – WebKit with Chrome’s V8 JavaScript engine

• Media support – H.263, H.264, MPEG-4 SP, AMR, AAC, MP3, MIDI, Ogg Vorbis, WAV, JPEG, PNG, GIF, and BMP

Page 9: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 9

Features of Android, cont’d

• Hardware support – Accelerometer Sensor, Camera, Digital Compass, Proximity sensor, and GPS

• Multi-touch

• Multi-tasking

• Flash support – Android 2.3 supports Flash 10.1

• Tethering – Internet connection sharing as a hotspot

Page 10: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 10

Android Architecture

• Linux kernel – contains all the low-level device drivers for the various hardware components

• Libraries – contain all the code that provides the main features of an Android OS.

• Android runtime – a set of core libraries that enable app development using JAVA

• Application framework – Exposes the various capabilities of the OS to developers so that they can be used in applications

• Applications – applications that ship with the device as well as downloaded and installed

Page 11: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 11

Page 12: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 12

Devices in the Marketplace

• Smartphones

• Tablets

• E-readers

• Netbooks

• MP4 Players

• Internet TVs

Page 13: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 13

Operating System3Q13 Shipment

Volumes3Q13 Market

Share3Q12 Shipment

Volumes3Q12 Market

ShareYear-Over-Year

Change

Android 211.6 81.0% 139.9 74.9% 51.3%

iOS 33.8 12.9% 26.9 14.4% 25.6%

Windows Phone 9.5 3.6% 3.7 2.0% 156.0%

BlackBerry 4.5 1.7% 7.7 4.1% -41.6%

Others 1.7 0.6% 8.4 4.5% -80.1%

Total 261.1 100.0% 186.7 100.0% 39.9%

Top Four Operating Systems, Shipments, and Market Share, Q3 2013 (Units in Millions)

Source: IDC Worldwide Mobile Phone Tracker, November 12, 2013

Page 14: Getting started with Android Programming

Adapted: Beginning Android 4 Application Development 14

Android Market

• Announced in August 2008, available to users October 2008

• Paid applications available only to users in certain countries due to legal restrictions• Users can buy from the Android Market but developers cannot sell

in that country.

• India: users can buy but developers cannot sell

• S. Korea: users cannot buy but developers can sell apps

Page 15: Getting started with Android Programming

Getting Started with Android Programming

CPTR322: Mobile Application Development