This slide from Android Application Programming Seminar at a Technical University of Vietnam. Throughout the slide, audience will have the general knowledge about Android OS, Architecture. The slide also provide the Android Application structure, the choices of framework or language to develop an Android application. Real Time Audio is an application is written for this seminar. Everyone can download from Google Play: https://play.google.com/store/apps/details?id=junoteam.com.realtimerecording

1. Android
Programming
NHAT NGUYEN
HUE, 10/2016
1

2. 2
https://play.google.com/store/apps/details?id=junoteam.com.realtimerecording

3. Part 1
Android Features
and
Architecture
3

4. What is Android
Linux based OS
Open source
By Google then OHA
(Open Handset Alliance)
4

5. Features of Android
Messaging Web browser
Voice-based features Multi-touch
5

6. Features of Android
Multitasking Screen capture
Video calling
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7. Features of Android
Multiple language Accessibility
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8. Features of Android
Connectivity Media
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9. Android App
Categories
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10. Android applications
10

11. Android Games 11

12. Android Versions 12

13. Android Versions, Codename13

14. Android Architecture
14

15. Android Architecture
15

16. Android Architecture
16

17. Linux kernel
the heart of android architecture
device drivers, power, memory, device and resource
access.
17

18. Why Linux kernel
Great memory and process management
Permission-based security model
Proven driver model
Support for shared library
Open source!
18

19. Why Linux kernel
Kernel Enhancements
Alarm
Ashmem
Low Memory Killer
Kernel Debugger
Logger
Binder (IPC)
Power Management: wakelock
19

20. Native Libraries
written in C/C++
support render, storage,
web browser, encryption,…
20

21. Native Libraries
21

22. Android Runtime
Designed to allow multiple VM instances to run at one
An interpreter-only virtual machine (no JIT), register based.
Optimized for low memory requirements
22

23. Android Framework
provide Android API
provides a lot of classes and interfaces for android
application development
23

24. 24

25. Android stack
25

26. Part 2
Android Application
development
take a look
26

27. Application Type
Programming Language Perspective
27

28. Application Type
Programming Language Perspective
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29. Application Type
Programming Language Perspective
29

30. Application Type
Programming Language Perspective
30

31. Application Types
Programming Language Perspective
31

32. Application Types
Programming Language Perspective
32

33. Application Development
Java based Language
33

34. Environment Setup
34

35. Application Components
35

36. Activity Component
provides an interface for users
like the pages in a website
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37. Intent Component
like an action
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38. Services Component
do not have a User Interface
run in the background
38

39. Content Provider Component
is a data store
enable data sharing
39

40. Broadcast Receiver Component
responds to system-wide
broadcast announcements
is triggered into action
for example:
battery low notification
40

41. Application Life Cycle
41

42. Application Life Cycle
42

43. Hello World Application 43

44. 44

45. 45

46. 46

47. 47

48. 48

49. 49

50. Application Structure
50

51. REAL TIME AUDIO
HOW TO
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52. Feature analysis
52

53. Record
Display elapsed time
Draw signal wave
Draw signal amplitude
Features 53

54. Layout Logic
Main activity
Fragment 1
Fragment 2
Draw Signal here
Time elapsed
Record button
Signal strength
54

55. Main activity
Main activity
Fragment 1
Fragment 2
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56. Signal Fragment
Main activity
Fragment 1
Fragment 2
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57. Signal Fragment
Main activity
Fragment 1
Fragment 2
57

58. Java Code
Main Activity
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59. Java Code
Signal Fragment
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60. Java Code
Recorder Fragment
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61. Java Code
Build and run
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62. 62

63. LAST BUT NOT LEAST
WHAT WILL BE NEXT?
63

64. WHAT WILL BE NEXT?
• Publish to CH Play
• Google Admob
64

65. WHAT WILL BE NEXT?
ANDROID UI DESIGN
AND
USE CASE
65

66. CREDIT
1. ELECTRONICS AND TELECOMMUNICATIONS DEPARTMENT - HUE UNIVRSITY OF SCIENCE
WEBSITE: http://fet-hue.edu.vn
2. JUNOTEAM COMPANY
WEBSITE: http://junoteam.com
This slide also contains some illustration images thank to the websites that have reference.
66
https://play.google.com/store/apps/details?id=junoteam.com.realtimerecording

67. THANK YOU
Contact:
Nhat Nguyen
nhnhat@gmail.com
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