The presentation provides a basic overview on ANDROID. What is the structure, what you need to start and basic building blocks of ANDROID

1. Getting start on Android
- By Amit Yadav

2. Topics covered
Why Android?
Introduction to Android
How to get started?
Emulator
Dive in
Resource available
Q&A

3. Why Android?
Open market place
Instant publishing & feedback
You can create anything
Create background apps(mail notifications, FB
updates, twitter etc)

4. Why Android? (cont…)
Develop on ANY platform FREE
Windows
Linux
Mac

5. Introduction to Android
Open software platform for mobile development
A complete stack – OS, Middleware, Applications
An Open Handset Alliance (OHA) project
Powered by Linux operating system
Fast application development in Java
Open source under the Apache 2 license

6. Why Android? (cont…)
Android can run on multiple platforms
Mobiles
Notebook
Desktop

7. Android Architecture

8. Linux Kernel
Works as a HAL(H/w Acceleration Layer)
Device drivers
Memory management
Process management
Networking

9. Libraries
C/C++ libraries
Interface through Java
Surface manager – Handling UI Windows
2D and 3D graphics
Media codecs, SQLite, Browser engine

10. Android Runtime
Dalvik VM
Dex files
Compact and efficient than class files
Limited memory and battery power
Core Libraries
Java 5 Std edition
Collections, I/O etc…

11. Application Framework
API interface
Activity manager – manages application life cycle.

12. Applications
Built in and user apps
Can replace built in apps

13. How to get started? (cont…)
Things to start with
Java Developer Kit(JDK)
Eclipse
Android SDK
Android Developer Tool(ADT)

14. How to get started? (cont…)

15. Emulator

16. Dive in…
Create new Android Application Project
Application Name
Project Name
Package Name
Minimum Required SDK
Target SDK
Compile With
Theme
android create project --target <target-id> --name MyFirstApp --path <path-to-workspace>/MyFirstApp --
activity MainActivity --package com.example.myfirstapp

17. Dive in…(Application Building Blocks)
AndroidManifest.XML
Activities
Views & ViewGroup
Intents
Services
Notifications
Content Providers

18. Dive in…(Manifest File)
The manifest file describes the fundamental characteristics of
the app and defines each of its components.

19. Dive in…(Activities)
This represents the presentation layer of an Android
Application e.g. a screen which user sees.
An Android app can have several activities and the
app can switch between these activities during
runtime

20. Dive in…(Views & ViewGroup)
Views are basic building blocks
Views object are usually UI widgets(buttons, text field
etc)
ViewGroups are invisible containers
Organized as tree to build the GUI
Described as an XML in the layout resource

21. Dive in…(Intents)
Intents are used to move from Activity to Activity
Describes what an application wants
Provides late runtime bindings

22. Dive in…(Services)
They run in the background
They don’t interact with users
Run on the main thread of the process
Is kept running as long as
Is Started
Has Connections

23. Dive in…(Notifications)
Notify the users about the events
NotificationManager is used for this purpose
Types
Persistent icon
Turning LEDS
Sound or Vibrations

24. Dive in…(Content Providers)
ContentProviders are objects that can
Retrieve Data
Store Data
Data is available for all the applications
Only way to share data across packages
Backend is SQLite

25. Resource available
http://androidcore.com/home.html Here you can find more than 300
tutorial for android this is the best site for android.
http://www.androidpeople.com/android-tutorial/ This is the another
good site for android.
http://developer.android.com This is site here you find all the
documentation of Android.
http://en.wikipedia.org/wiki/Android_(operating_system) This is the link
of Wikipedia for Android
http://www.vogella.de/articles/Android/article.html#overview This is the
another good site for Android Development.
http://www.pdftop.com/ebook/android+tutorial/ This is the link here
you find lot of book related to Android
http://code.google.com/p/android-wheel/ This is the side here you find
source code of the projects.

26. Q&A
No questions
please!!!