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Presentation on Android

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Nausad Ahamed
Nausad Ahamed

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Presentation on Android
Introduction Platform Security Network Connectivity Development Requirements Comparison with other OS History Versions Of ANDROID
Android is a Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Developed by Google and later the Open Handset Alliance (OHA) The developers write managed code in a Java- like language that utilizes Google-developed Java libraries but it does not support programs in native code.
Android was originated by a group of companies known as the Open Handset Alliance, led by Google. Today, many companies -- both original members of the OHA and others -- have invested heavily in Android, typically in the form of allocating significant engineering resources to improve Android and bring Android devices to Market
Android uses Linux for its device drivers, memory management, process management, and networking. The next level up contains the Android native libraries. They are all written in C/C++ internally, but youll be calling them through Java interfaces. In this layer you can find the Surface Manager, 2D and 3D graphics, Media codecs, the SQL database (SQLite), and a native web browser engine (WebKit). Dalvik Virtual Machine. Dalvik runs dex files, which are coverted at compile time from standard class and jar files.
Android is a multi-process system. Most security between applications and the system is enforced at the process level through standard Linux facilities. Additional finer-grained security features are provided. SECURITY
Android Application A Android Application B Android Application C SECURITY LINUX 2.6 OPERATING SYSTEM MEMORY MANAGEMENT PROCESS MANAGEMENT NETWORK STACK I/O DISPLAY, KEYPAD, TOUCH- SCREEN MEMORY MANAGEMENT LINUX USER A LINUX USER B LINUX USER C
It supports wireless communications using :- 3G Networks 4G Networks 802.11 Wi-Fi Networks Bluetooth Connectivity
Java Android SDK Eclipse IDE (Optional) Knowledge of XML
Presentation on Android
Sales Android os Windows phone iOS Symbian Os Blackberry os Others
Android iOs0 50000 100000 150000 200000 250000 300000 350000 2009 2010 2011 2012 Android iOs
Presentation on Android
Android Beta First Version of Android. The focus of Android beta is testing incorporating usability. Android beta will generally have many more problems on speed and performance.
Android Astro 1.0 First full version of android. Released on September 23, 2008. Wi-Fi and Bluetooth support. Quite slow in operating. Copy and paste feature in the web browser is not present.
Android Cupcake 1.5 Released on April 30, 2009. Added auto-rotation option. Copy and Paste feature added in the web browser. Increased speed and performance but not upto required level.
Android Donut 1.6 Released on September 15, 2009. Voice search and Search box were added. Faster OS boot times and fast web browsing experience. Typing is quite slower.
Android Froyo 2.2 Released on May 20, 2010. Support for Adobe Flash 10.1 Improved Application launcher with better browser No internet calling.
Android Gingerbread 2.3 Released on December 6, 2010. Updated User Interface with high efficiency and speed Internet calling One touch word selection and copy/paste. New keyboard for faster word input. More successful version of Android than previous versions. Not supports multi-core processors.
Android Honeycomb 3.0 Released on February 22, 2011. Support for multi-core processors Ability to encrypt all user data. This version of android is only available for tablets.
Android IceCreamSandwich(ICS) 4.0 Released on November 14, 2011. Virtual button in the UI. A new typeface family for the UI, Roboto. Ability to shut down apps that are using data in the background.
Android JellyBean 4.1 Released on June 27, 2012. Latest version of Android. Smoother user interface.
Source code available to everyone Uses more amount of battery Continuously need to connected with the internet
Presentation on Android

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Presentation on Android

  • 2. Introduction Platform Security Network Connectivity Development Requirements Comparison with other OS History Versions Of ANDROID
  • 3. Android is a Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Developed by Google and later the Open Handset Alliance (OHA) The developers write managed code in a Java- like language that utilizes Google-developed Java libraries but it does not support programs in native code.
  • 4. Android was originated by a group of companies known as the Open Handset Alliance, led by Google. Today, many companies -- both original members of the OHA and others -- have invested heavily in Android, typically in the form of allocating significant engineering resources to improve Android and bring Android devices to Market
  • 5. Android uses Linux for its device drivers, memory management, process management, and networking. The next level up contains the Android native libraries. They are all written in C/C++ internally, but youll be calling them through Java interfaces. In this layer you can find the Surface Manager, 2D and 3D graphics, Media codecs, the SQL database (SQLite), and a native web browser engine (WebKit). Dalvik Virtual Machine. Dalvik runs dex files, which are coverted at compile time from standard class and jar files.
  • 6. Android is a multi-process system. Most security between applications and the system is enforced at the process level through standard Linux facilities. Additional finer-grained security features are provided. SECURITY
  • 7. Android Application A Android Application B Android Application C SECURITY LINUX 2.6 OPERATING SYSTEM MEMORY MANAGEMENT PROCESS MANAGEMENT NETWORK STACK I/O DISPLAY, KEYPAD, TOUCH- SCREEN MEMORY MANAGEMENT LINUX USER A LINUX USER B LINUX USER C
  • 8. It supports wireless communications using :- 3G Networks 4G Networks 802.11 Wi-Fi Networks Bluetooth Connectivity
  • 9. Java Android SDK Eclipse IDE (Optional) Knowledge of XML
  • 14. Android Beta First Version of Android. The focus of Android beta is testing incorporating usability. Android beta will generally have many more problems on speed and performance.
  • 15. Android Astro 1.0 First full version of android. Released on September 23, 2008. Wi-Fi and Bluetooth support. Quite slow in operating. Copy and paste feature in the web browser is not present.
  • 16. Android Cupcake 1.5 Released on April 30, 2009. Added auto-rotation option. Copy and Paste feature added in the web browser. Increased speed and performance but not upto required level.
  • 17. Android Donut 1.6 Released on September 15, 2009. Voice search and Search box were added. Faster OS boot times and fast web browsing experience. Typing is quite slower.
  • 18. Android Froyo 2.2 Released on May 20, 2010. Support for Adobe Flash 10.1 Improved Application launcher with better browser No internet calling.
  • 19. Android Gingerbread 2.3 Released on December 6, 2010. Updated User Interface with high efficiency and speed Internet calling One touch word selection and copy/paste. New keyboard for faster word input. More successful version of Android than previous versions. Not supports multi-core processors.
  • 20. Android Honeycomb 3.0 Released on February 22, 2011. Support for multi-core processors Ability to encrypt all user data. This version of android is only available for tablets.
  • 21. Android IceCreamSandwich(ICS) 4.0 Released on November 14, 2011. Virtual button in the UI. A new typeface family for the UI, Roboto. Ability to shut down apps that are using data in the background.
  • 22. Android JellyBean 4.1 Released on June 27, 2012. Latest version of Android. Smoother user interface.
  • 23. Source code available to everyone Uses more amount of battery Continuously need to connected with the internet
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