This presentation basically helps budding enthusiasts to understand the base architecture of Android and board-level features of the platform

1. JayparAndroidIntroduction

3. What is Android

4. Features

5. Android Architecture

6. Linux kernel

7. Native Libraries

8. Android Runtime

9. Application Framework

10. Applications

12. Android Introduction Internet and Mobile Phone Users

14. Goal

15. Accelerate innovation in mobile

16. Offer consumers a richer, less expensive, and better mobile experience

17. OHA have developed Android™, the first complete, open, and free mobile platformAndroid Introduction

18. Android Introduction Google Phone HTC Dream , T mobile G1, announced at 2008.09 HTC Hero, HTC Magic, HTC Tatoo SAMSUNG Galaxy i7500

19. What is Android ? Android is a software stack for mobile devices that includes an operating system, middleware and key applications. Android is a Java-based operating system that runs on the Linux 2.6 kernel. The Android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the Java programming language. Android Introduction

21. Dalvik virtual machine optimized for mobile devices

22. Integrated browser based on the open source WebKit engine

23. Optimized graphics powered by a custom 2D graphics library; 3D graphics based on the OpenGL ES 1.0 specification (hardware acceleration optional)

24. SQLite for structured data storageAndroid Introduction

26. GSM Telephony (hardware dependent)

27. Bluetooth, EDGE, 3G, and WiFi (hardware dependent)

28. Camera, GPS, compass, and accelerometer (hardware dependent)

29. Rich development environment including a device emulator, tools for debugging, memory and performance profiling, and a plugin for the Eclipse IDEAndroid Introduction

30. Android Introduction Android Architecture

32. Provide core system services such as process, memory, power management, network stack, driver model and security

33. Does not include the full set of standard Linux utilitiesThe Android kernel source is available today http://git.android.com

34. Android Introduction Native Libraries Bionic Libc Function Libraries Native Servers Hardware Abstraction Libraries

36. Custom libc implementation, optimized for embedded use.

37. Pros (compare with glibc)

38. BSD License

39. Small size and fast code paths

40. Very fast and small custom pthread implementation

42. Based on open source WebKit browser

43. Full CSS, Javascript, DOM, AJAX support

44. Media Framework

45. Based on PacketVideoOpenCORE platform

46. Supports standard video, audio, still-frame formats

47. SOLite

48. Light-weight transactional data store

51. Provides application portability and runtime consistency

52. Runs optimized file format (.dex) and Dalvikbytecode

53. Java .class / .jar files converted to .dex at build time

54. Designed for embedded environment

55. Supports multiple virtual machine processes per device

56. Highly CPU-optimized bytecode interpreter

57. Efficiently Using runtime memory

58. Core Libraries

60. Manage the life cycle of applications

61. Content Provider

62. Share data between applications

63. Resource Manager

64. Manager non-code resource

65. Notification Manager

66. Display custom alerts in the status bar

67. Views System

69. Android Introduction Application Development Environment IDE – Eclipse Eclipse plug-in - ADT Software Development Kit (SDK) Android Emulator Debbuger

71. Android Emulator

72. Android Development Tools Plugin (for the Eclipse IDE)

73. Android Virtual Devices (AVDs)

74. Hierarchy Viewer

76. Android Introduction THANKYOU - Y. Ramesh Rao