1. Prateek Aggarwal/SAP Custom Development
Android Technology – Packaging and Life cycles

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Agenda
 What is Android ?
 Android Features
 Android Architecture
 Reference Links
 Project Structure
 Android Components
 Activity Life Cycle
 Service Life Cycle
 Android Debug Bridge
 Debugging and Packaging
 Q & A

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What is Android ?
 A Software platform and operating system for mobile.
 Based on the Linux kernel.
 Android was found way back in 2003.
 It was developed in Palo Alto, California.
 Android was developed by the Andy Rubin, Rich Miner, Nick Sears and Chris
White.
 Android was purchased by the GOOGLE in AUGUST,2005 for 50 million $.

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Android Features
 Application Framework
 Dalvik virtual machine
 Integrated (webkit) browser
 2D and 3D graphics APIs with HW
 SQLite
 Video and audio codecs
 Bluetooth, EDGE, 3G, and WiFi
 Camera, GPS, compass, and accelerometer

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Android Architecture

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Reference Links
Development Tools :
https://developer.android.com/sdk/index.html#Other
 Eclipse
 Android Plugin (ADT)
 Android SDK
 Android SDK Manager
Developer’s Guide
http://developer.android.com/guide/index.html
What’s New in 5.0 Lollipop :
https://www.youtube.com/watch?feature=player_embedded&v=um1S2u022HA

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Project Structure
 src – your source code
 gen – auto-generated code (usually just R.java)
 Included libraries (jars)
 Resources
• Drawables (like .png images)
• Layouts
• Values (like strings)
 Manifest file

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Android Components
Activity
http://developer.android.com/guide/topics/fundamentals/activities.html
Service
http://developer.android.com/guide/topics/fundamentals/services.html
Content Providers
Broadcast Receivers
Android in a nutshell:
http://developer.android.com/guide/topics/fundamentals.html

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Activity Life Cycle

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Service Life Cycle

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Android Debug Bridge
 Used for a wide variety of developer tasks
 Read from the log file
 Show what android devices are available
 Install android applications (.apk files)

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Debugging and Packaging

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Q&A

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Thank you
Contact information:
Prateek Aggarwal
Mobility Consultant
SAP Labs India, Bangalore