Tizen Overview (Tizen Ver. 2.3)

Transcription

1 Tizen Overview (Tizen Ver. 2.3) Spring 2015 Soo Dong Kim, Ph.D. Professor, Department of Computer Science Software Engineering Laboratory Soongsil University Office Mobile

2 What is Tizen? Open-source operating system for all device areas Supporting many categories of devices Mobile Device Tablet PC Camera Etc. Standard-based platform HTML5 Other de facto standards Gstreamers EFL 2

3 Linux Foundation Open Source Release SDK Platform Development Community Support Device Profiles Development Mobile Device TV Etc. Organization (1) 3

4 Tizen Association Organization (2) To guide the industry role of Tizen Gathering of requirements Identifying and facilitating service models 10 companies including Samsung and Intel Reference: 4

5 History (1) 1.0 (Apr. 30, 2012) Web-centric platform Highest HTML5 covering Tizen Device Web API 2.0 (Feb. 18, 2013) Supporting Native API Based on Bada platform WebKit2 for Web runtime 2.2 (Jul. 21, 2013) Changing UI&UX H/W back key and menu key (Nov. 09, 2013) Adding Privacy menu 2.1 (May 18, 2013) Supporting state-of-the-art HTML5/W3C API 5

6 History (2) 2.3 (Nov. 08, 2014) Supporting wearable profiles Improving Web and Native API Changing primary development language for native applications From C++ to C 2.3 Rev1 (Dec. 02, 2014) Improving Web and Native API Fixing Bugs 2.3 Rev2 (Feb 13, 2015) Improving Native UI Builder 6

7 Market Release In May, 2013 NX200, NX300 In February, 2014 Gear 2 series In January, 2015 Samsung Z1 7

8 Tizen Ver. 2.3 Architecture (1) Architecture Overview Web Applications Web API Native Applications Web Framework Native API Native Subsystems Application Framework Base Content Location Messaging Multimedia Network Security Social System Telephony UI Web Tizen Kernel Reference: 8

9 Tizen Kernel Tizen Ver. 2.3 Architecture (2) Overall management of system device and resources Key components Linux Kernel Device Drivers Hardware Abstraction Layer Tizen Kernel H/W Adaptation Layer Telephony Plug-ins Gstreamers Plug-ins Sensor Plug-ins System Plug-ins OpenGL ES/EGL Graphics Driver Linux Kernel Device Drivers 9

10 Tizen Ver. 2.3 Architecture (3) Native Subsystems Composed of modules across various domain Common functionalities used in native apps and web apps To provide a selected set of APIs as native API Native Subsystems Application Framework Base Content Location Messaging Multimedia Network Security Social System Telephony UI Web 10

11 Tizen Ver. 2.3 Architecture (4) Web Framework W3C/HTML5 Defined by W3C and other standardization groups Device APIs Advanced access to the device capabilities Web Runtime Lifecycle management of Web app Web Framework W3C/HTML5 Device APIs Web Runtime 11

12 Web vs Native Complementary to each other Web applications Portability Ease of app development Minimal learning curve Native applications High performance Low memory consumption 12

13 W3C Standards HTML5 WebIDL Standard-based Platform W3C specification for a format to describe interfaces Other de facto standards Gstreamer EFL Jquery Etc. 13

14 High Performance System-based configurable Service and Booting To execute threaded applications in parallel To optimize booting time 14

15 Rich Multimedia Support To support high quality video playback To play virtually every media formats without transcoding To support rich media for browser and web applications 15

16 Thank You! 16