Android ppt

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Android is an opensource technology , nowadays used in operating systems in mobile devices.

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Android ppt

  1. 1. Govind Raj 7th Semester Information Technology 1001227464
  2. 2. Agenda       Introduction Features Architecture Application Lifecycle Security Advantage & Disadvantages
  3. 3. What is Android ? Android is a software stack for mobile devices.  A software platform and operating system for mobile devices based on the Linux operating system.  Developed by Google and the Open Handset Alliance. 
  4. 4. Birth of Android ! Google acquires Android Inc.,a small startup accompany in July 2005.  Open Handset Alliance(OHA), a consortium of several companies, was founded on 5 Nov 2007.  OHA unveiled their 1st product, “ANDROID”.   
  5. 5. Android Features …    Application framework  Dalvik Virtual Machine.  Integrated browser  Better connectivity and optimized graphics. Messaging Media support.  
  6. 6. Android Architecture      Linux kernel. Libraries. Android runtime. Application framework. Application layer.
  7. 7. Android Architecture Cont.
  8. 8. How to develop an application ?  Application building blocks Activity  Intent Receiver  Service  Content Provider      Androidmanifest.xml Application lifecycle. Application framework. Library.
  9. 9. Example… Step : 1
  10. 10. Example Cont. Step 2: Step 3:
  11. 11. Example Cont. Step 4: Step 5:
  12. 12. Example Cont. Step 6: Step 7:
  13. 13. Security Issues  Android mobile phone platform is more secure than    other devices. Linux secure coding protects the system. Stealthy Trojans and some other viruses can become a threat. Solution for such attacks is SMobile Systems mobile package.
  14. 14. What makes Android special !!!  A truly open, free development platform based on Linux and open source.  Parts of one application can be used in another in ways not originally envisioned by the developer.  Tons of built-in services out of the box.  Automatic management of the application life cycle.  Portability across a wide range of current and future hardware.
  15. 15. Advantages…  Open source platform.  All applications are equal.  Breaking down boundaries.  Fast and easy development.
  16. 16. Disadvantages…  Security.  Open Source.  Login.  Incompetence.  
  17. 17. Conclusion     Android has been criticized for not being all open-source software despite what was announced by Google. Software installed by end-users must be written in Java, and will not have access to lower level device APIs.. With all upcoming applications and mobile services Google Android is stepping into the next level of Mobile Internet. Android participates in many of the successful open source projects..
  18. 18. References     http://www.android.com - Android Official Webpage http://code.google.com/android/ - Official Android Google Code Webpage http://www.openhandsetalliance.com/ - Open Handset Alliance Webpage http://www.scribd.com
  19. 19. Thank you…
  20. 20. Questions…

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