android

1. Set your phone free !!!
Presented by
M.JAGADISH YADAV
&
V.LAKSHMAN

2. CONTENTS
 Introduction
 Features of android
 Building blocks to an android application
 Storing ,retrieving and exposing data
 Security and permitions in android
 Applications developed on android platform

3. INTRODUCTION
What is Android?
• A software platform and operating system for mobile devices
• Based on the Linux kernel
• Developed by Google and later the Open Handset Alliance (OHA)
• Allows writing managed code in the Java language
• Possibility to write applications in other languages and compiling it
to ARM native code

4. What is the Open Handset Alliance (OHA)?
→ It's a consortium of several companies

5. Features of android
 Handset layouts
 Storage
 Connectivity
 Web browser
 Media support
 Additional hardware support
 Java virtual machine

6. Write app in Java
Compiled in Java
Transformed to Dalvik bytecode
Loaded into Dalvik VM
Linux OS

7. Android Architecture

8. Building blocks to an android application
• Activity
• Broadcast internet receiver
• Service
• Content provider

9. Sorting ,Retrieving and Exposing data
 Preferences
Files
Databases
Network

10. Security and Permitions in Android
 User IDs
 File access
 Using permissions

11. Particular permission may be enforced during your program's
operation:
 At the time of a call into the system
 Both sending and receiving broadcasts
 Binding or starting a service

12. Uneven distribution of OS by regions
Does not include iTouch or iPad, as not smartphones

13. Applications developed on android platform

14.  In September 2008, Motorola confirmed hardware products that would run Android.
 Hawaii Technologies is planning to launch smart phones that would run Android
 Sony Ericsson is planning to release
an Android based handset
Samsung plans to offer a phone based on Google’s Android operating system

16. CONCLUSION
 Finally we concluded that the Androids platform
which has developed by Google is going to play major
role in Mobile applications because as it is an open
source and it is also easy to develop mobile
applications using Android.

18. Thank you