Android ppt
- 2. Android is a software stack for mobile devices that includes an operating system, middleware and key applications…. 2
- 3. 3 A business alliance consisting of 47 companies to develop open standards for mobile devices.
- 4. 4 HTC G1, Droid, Tattoo Motorola Droid(X) Suno S880 Samsung Galaxy Sony Ericsson
- 5. 5 Feb’10 May’10 Apr’11 RIM 42.1% 41.7% 29% Apple 25.4% 24.4% 25% Google 9% 13% 33% Microsoft 15.1% 13.2% 7.7% Palm 5.4% 4.8% 2.9%
- 6. 6 Velocity Micro Cruz Gome FlyTouch Acer beTouch Dawa D7 Toshiba Android SmartBook Cisco Android tablet
- 7. 7
- 8. 8 Android provides a set of core applications: Email Client SMS Program Calendar Maps Browser Contacts Etc All applications are written using the Java language.
- 9. 9 Enabling and simplifying the reuse of components Developers have full access to the same framework APIs used by the core applications. Users are allowed to replace components.
- 10. 10 Featur e role View System Used to build an application, including lists, grids, text boxes, buttons, and embedded web browser Content Provider Enabling applications to access data from other applications or to share their own data Resource Manager Providing access to non-code resources (localized strings, graphics, and layout files) Notificatio n Manager Enabling all applications to display customer alerts in the status bar
- 11. 11 Including a set of C/C++ libraries used by components of the Android system Exposed to developers through the Android application framework
- 12. 12 CoreLibraries Providing most of the functionality available in the core libraries of the Java language APIs Data Structures Utilities File Access Network Access Graphics Etc
- 13. 13 Dalvik Virtual Machine (Cont) Executing the Dalvik Executable (.dex) format .dex format is optimized for minimal memory footprint. Compilation Relying on the Linux Kernel for: Threading Low-level memory management