Welcome

INTRODUCTION TO ANDROID

Bantyder BahruMarch 30,2013

• Android at a glance1• Setting up IDE2• Our first android project3• Building block of android

apps 4• Best way to learn

android5

Today’s Overview

Android at glance

•How it was started•Android Versions•How many device ?•Why android as a

developer?

How it was started

• Google Acquires Android Inc. in 2005• Open Handset Alliance formed in 2007• First android SDK released in 2008

Android VersionsTable 1-1. Android versions through Android 2.3Android version API level NicknameAndroid 1.0 1Android 1.1 2Android 1.5 3 CupcakeAndroid 1.6 4 DonutAndroid 2.0,2.01,2.1 5 ,6,7 EclairAndroid 2.2 8 Froyo (frozen yogurt)Android 2.3,2.3.3 9,10 GingerbreadAndroid 3.0 ,3.1,3.2 11,12,13 HoneycombAndroid 4.0,4.03 14,15 Ice cream SandwichAndroid 4.1,4.2 16,17 Jelly Bean

How many devices• people have activated half

a billion Android devices. • Also, 1.3 million new ones

arrive each day.

Why Android as a developer?

• Open source platform• Cost free development• Contains built-in libraries which makes developer's life easy• We can develop and test our app without owning a physical device

Setting up your IDE

• Download Android Bundle

• Use Existing IDE

Download Android Bundle

1.Go to http://developer.android.com/sdk/index.html2.Extract 3.Run Android SDK Manager4.Selet and install Latest SDK

Eclipse + ADT(Android Development Tool) + Android SDK Manager

Use Existing IDE

Download android SDK from http://dl.google.com/android/installer_r21.1-windows.exe

Start Eclipse, then select Help→Install New Software In the Available Software dialog, click Add. In the Add Site dialog that appears, enter a name for the

remote site (for example, “Android Plugin”) in the “Name” field. In the “Location” field, enter this URL:

https://dl-ssl.google.com/android/eclipse/

Use Existing IDE

Click OK. Back in the Available Software view, you should now see “Developer Tools” added

To the list. Select the checkbox next to Developer Tools, which will automatically

Select the nested tools Android DDMS and Android Development Tools. Click Next.

In the resulting Install Details dialog, the Android DDMS and Android Development

Tools features are listed. Click Next to read and accept the license agreement and install any dependencies, then click Finish.

Restart Eclipse.

1. Run Android SDK manager2. Select Latest SDK and install

To Finalize your preparation

Ready to get our hand dirty!!!!!!!

Our first android project.

Android Projects

• Naming• Min SDK• Target SDK • Manifest Files• Resource files• R file• Emulator

BUILDING BLOCK OF ANDROID APPLICATION

HOW ANDROID APPLICATION RUN

Building Blocks

1.Activity2.Intents3.Services4.Broadcast Receiver5.Application Context

Building Blocks

1.Activity2.Intents3.Services4.Broadcast Receiver5.Application Context

Activity• usually a single screen that the user sees on the device at one time• Activity has life cycle

Intents• Intents are messages that are sent

among the major building blocks• Trigger activity to start• Tells service to start , stop or

broadcast• Explicit Intent• Implicit Intent

Code Practice•Declaring Activity• Starting New Activity• Explicit Intent• Implicit Intent

Code Practice (continued)

• Switching between activity•Returning result from

activity• passing data for another

activity using intent

Best Way To Learn

• No more waiting start today

• Ideas • Start Today

Summary

• Configure your IDE• Understand Building Blocks• Activity and Intents

Resources

• ORielly Learning Android, Marko Gargenta• APress Beginning Android 4,Grant Allen• PACKT,Android 3.0 Application Development

Cookbook, Kyle Merrifield Mew • http://developer.android.com

QUESTIONS?

THANK YOU