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Android ppt Presentation Transcript

  • 1. Presentation on:- ANDROID (An Operating System)
  • 2. Presented By:- Amit Kumar(14) Amar Mishra(13) Submitted to:- Prof. Shifa Manihar Prof. Rajesh Boghey (CSE Dept.) (HOD, CSE Dept.)
  • 3.  We acknowledge with sincerity and sense of gratitude the valuable support given to us by Director Dr. Bhupendra Verma Sir & Prof. Rajesh Boghey Sir (HOD cse dept.)for inspiring us for the preparation of this presentation.  We are also thankful to Prof. Shifa Manihar mam and all other faculty members in preparation of this presentation on ”ANDROID (An Operating System)”
  • 4.  What is Android?  Why Android Was Created?  History  Network & Connectivity  Android Features  Application Framework  Google play  ANDROID ARCHITECTURE  Version Of Android  Usage share  Development Tools  Competing Operating Systems  Security  Conclusion
  • 5. Android is a software stack for mobile devices that includes an operating system & applications based on the Linux kernel, developed by Google and later the Open Handset Alliance. The Android sdk provides the tools and APIs which are necessary for developing applications on android platform using java programing language.
  • 6.  Why Android? ◦ open-source apache license ◦ cost ◦ sets developers free  solid foundation: Linux kernel  good framework based on Java ◦ empower users replace core apps ◦ personalize  Google stuff ◦ huge opportunity for vendors, developers, users OS for free, innovate at app level not just for phones
  • 7.  July 2005 Google acquired Android Inc.  5 Nov 2007 Open HandSet Alliance formed- Google, HTC, Intel, Qualcomm,T-Mobile.  Android is the OHA first product.  12 Nov 2007 OHA released a preview of the Android OHA
  • 8. It supports wireless communications using:-  GSM & CDMA mobile-phone technology.  3G  Edge  802.11 Wi-Fi networks.  Bluetooth  NFC (Near Field Communication)
  • 9. Software features :- Integrated browser based on the open source WebKit engine SQLite for relational data storage Media support for common audio, video, and still image formats (MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, GIF)
  • 10. Hardware feature supported – Cellular networking : GSM, EDGE, 3G (hardware dependent) LAN : Bluetooth, and Wi-Fi (hardware dependent) Graphics Hardware Acceleration Camera, GPS and Compass (hardware dependent) Touch screen and accelerometer for motion sensing
  • 11.  Content Providers that enable applications to access data from other applications (such as Contacts), or to share their own data  A Resource Manager, providing access to non-code resources such as localized strings, graphics, and layout files  A Notification Manager that enables all applications to display custom alerts in the status bar  An Activity Manager that manages the lifecycle of applications and provides a common navigation backstack  Package Manager - shows all the applications installed on your device  Telephony Manager - For all Calls/SMS/MMS managing
  • 12. Google Play is an online digital distribution service for Android devices. The Play Store application allows users to browse and download apps published by third party developers, hosted on Google Play, and is pre-installed on most devices. As of June 2012, there were more than 600,000 apps available for Android, and the estimated number of applications downloaded from the Play Store exceeded 20 billion. The operating system itself is installed on 400 million total devices.
  • 13.  Android relies on Linux version 2.6.x for core system services  The kernel acts as an abstraction layer between the hardware and the rest of the software stack.  Linux manages variety of services such as: security, memory management, process management, network stack, and driver model.
  • 14. ANDROID ARCHITECTURE
  • 15.  Android beta  Android 1.0  Android 1.1  Android 1.5 Cupcake  Android 1.6 Donut  Android 2.0/2.1 Eclair  Android 2.2.x Froyo  Android 2.3.x Gingerbread  Android 3.x Honeycomb  Android 4.0.x Ice Cream Sandwich  Android 4.1.x Jelly Bean  Android 4.4 Kitkat
  • 16. Version Release date API level Distribution 4.1.x Jelly Bean July 9, 2012 16 1.8% 4.0.x Ice Cream Sandwich Oct 19,2011 14-15 23.7% 3.x.x Honeycomb Feb 22,2011 11-13 1.9% 2.3.x Gingerbread Dec 06,2010 9-10 55.8% 2.2 Froyo May 20,2010 8 12.9% 2.0, 2.1 Eclair Oct 26,2009 7 3.4% 1.6 Donut Sep 15, 2009 4 0.4% 1.5 Cupcake Apr 30, 2009 3 0.1%
  • 17.  The Android SDK includes a variety of custom tools that help you develop mobile applications on the Android platform.Three of the most significant tools are:  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
  • 18. Android OS vs. Apple iPhone OS vs. RIM Blackberry OS
  • 19.  Linux user account per app based on app permissions ◦ apps are signed by developer private key no central authority ◦ why signing at all: two sibling apps can share data (process and user id) ◦ upgrade also smooth, same key
  • 20. • Hackers rooting phone • Not illegal, but voids contract with provider.
  • 21.  Android is open to all: industry, developers and users.  Participating in many of the successful open source projects.  Google Android is stepping into the next level of Mobile Internet.