2. 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
3. What is the Open Handset
Alliance (OHA)?
→ It's a consortium of several
companies
6. Versions
Name Version
Cupcake 1.5
Donut 1.6
Eclair 2.1
Froyo 2.2
Gingerbread 2.3
Honeycomb 3.0
Icecream 2.4
7. • Application Framework
• Dalvik virtual machine
• Integrated browser based on the open source
WebKit engine
• 2D and 3D graphics APIs with HW
• Sqlite (Structured data storage)
• Media Support (common audio,video and image format)
• Bluetooth, EDGE, 3G, and WiFi
• Camera, GPS, compass, and accelerometer
• Rich Development Environment
8.
9. Write app in Java
Compiled in Java
Transformed to Dalvik bytecode
Loaded into Dalvik VM
Linux OS
10. Activity
IntentReceiver
Service
ContentProvider
11. Android Emulator -A virtual mobile device that runs
on our computer -use to design, debug, and test our
applications in an actual Android run-time environment
Android Development Tools Plugin -for the Eclipse
IDE – adds powerful extensions to the Eclipse
integrated environment
Dalvik Debug Monitor Service (DDMS) -Integrated
with Dalvik-this tool let us manage processes on an
emulator and assists in debugging
12. 1. A foreground
process
2. A visible process
3. A service process
4. A background
process
5. An empty process
3/17/2013
13.
14. Download and Install the Android SDK and
Test the Emulator.
Installing JDK and JRE(1.5 or above)
Install Eclipse.
Install ADT plugin for Eclipse
Creating HelloWorld
Application
18. Resource files are bundled to .apk file archive
Bundled by aapt tool
One .apk file archive is a Single application
19. Android uses proven technology like
Java, XML andLinux
There is an initial learning effort
Android doesn‘t have many of the limitations
of current mobile platforms
It offers a rich API for application
development
Android is still in beta
Android development is fun
