14180203 an-introduction-to-android
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The document provides an introduction to the Android operating system and platform. It discusses Android's open source nature and how it allows developers extensive control and integration capabilities. The document also provides background on Android's announcement and release timelines, and outlines the Android Developer Challenge program to encourage developers to build applications for the new platform.
14180203 an-introduction-to-android
- 1. An Introduction to Android Jason Chen Developer Advocate Google I/O 2008
- 2. •Background •What is Android? •Latest News
- 4. 4,000,000,000 3,000,000,000 2,000,000,000 1,000,000,000 0 Internet and Mobile Phone Users, Worldwide 2000 2001 2002 2003 2004 2005 2006 2007 Internet users (PC-based) Mobile phone users Source: International Telecommunication Union
- 7. Mobile Operators Handset Manufacturers
- 8. Mobile Operators Software Handset Manufacturers
- 9. Mobile Operators Semiconductor Software Handset Manufacturers
- 10. Mobile Operators Handset Manufacturers Semiconductor Software Commercialization
- 11. •Background •What is Android? •Latest News
- 12. Linux Kernel Display Driver Camera Driver Bluetooth Driver Flash Memory Driver Binder (IPC) Driver USB Driver Keypad Driver WiFi Driver Audio Power Drivers Management
- 13. Linux Kernel Display Driver Camera Driver Bluetooth Driver Flash Memory Driver Binder (IPC) Driver USB Driver Keypad Driver WiFi Driver Audio Power Drivers Management Libraries FreeType SGL SSL SQLite WebKit libc Surface Manager OpenGL | ES Media Framework
- 14. Android Runtime Core Libraries Dalvik Virtual Machine Linux Kernel Display Driver Camera Driver Bluetooth Driver Flash Memory Driver Binder (IPC) Driver USB Driver Keypad Driver WiFi Driver Audio Power Drivers Management Libraries FreeType SGL SSL SQLite WebKit libc Surface Manager OpenGL | ES Media Framework
- 15. Android Runtime Core Libraries Dalvik Virtual Machine Application Framework View System Content Providers Resource Manager Location GTalk Service Manager Activity Manager Package Manager Window Manager Telephony Manager Notification Manager Linux Kernel Display Driver Camera Driver Bluetooth Driver Flash Memory Driver Binder (IPC) Driver USB Driver Keypad Driver WiFi Driver Audio Power Drivers Management Libraries FreeType SGL SSL SQLite WebKit libc Surface Manager OpenGL | ES Media Framework
- 16. Android Runtime Core Libraries Dalvik Virtual Machine Application Framework View System Content Providers Resource Manager Location GTalk Service Manager Activity Manager Package Manager Window Manager Telephony Manager Notification Manager Linux Kernel Display Driver Camera Driver Bluetooth Driver Flash Memory Driver Binder (IPC) Driver USB Driver Keypad Driver WiFi Driver Audio Power Drivers Management Libraries FreeType SGL SSL SQLite WebKit libc Surface Manager OpenGL | ES Media Framework Applications Home Contacts Phone Browser ...
- 17. Application Building Blocks Activity UI component typically corresponding to one screen. IntentReceiver Set and respond to notifications or status changes. Can wake up your app. Service Faceless task that runs in the background. ContentProvider Enable applications to share data.
- 19. Emulator • QEMU-based ARM emulator runs same system image as a device • Use same toolchain to work with devices or emulator
- 20. Eclipse Plugin Project template
- 21. Debugging Call stack Breakpoints, single stepping Examine variables
- 22. What does open mean? Photo by: http://flickr.com/photos/virtualsugar/316200555/
- 24. Industry
- 25. Industry •Software stack open-sourced under Apache 2.0 license •Source available after first handsets ship •Anyone will be able to build a system image
- 26. Industry
- 27. Industry Users
- 28. •Users have control of their experience •They control what gets installed •They choose the defaults Industry Users
- 29. Industry Users
- 31. Developers •Don’t need permission to ship an application •No hidden or privileged framework APIs •Can integrate, extend, and replace existing components Industry Users
- 33. Integrate
- 34. Integrate
- 35. Integrate
- 36. Integrate Extend
- 37. Integrate Extend
- 38. Replace
- 39. Replace
- 40. Replace
- 41. Replace
- 42. Replace
- 45. What does this mean for developers?
- 46. •Background •What is Android? •Latest News
- 47. Latest News • 5 Nov 2007: Android announced • 12 Nov 2007: early look of the SDK released • 14 Dec 2007: bug-fix SDK released • 3 Jan 2008: Android Developer Challenge I starts accepting submissions • 13 Feb 2008: m5-rc15 SDK released • 14 Apr 2008: 1788 total submissions for Challenge I • 12 May 2008: Top 50 Application in Challenge I announced
- 48. Android Developer Challenge • Goal: help developers turn great ideas into great code • Challenge I & II each have a $5MM USD purse • Challenge II will begin after devices go on sale
- 49. Q & A