Mobile Multi-Service Smart Room Client: Initial Study for Multi-Platform Development Andrey S. Vdovenko, Sergey A. Marchenkov, Dmitry G. Korzun Petrozavodsk State University Department of Computer Science This project is supported by grant KA179 of Karelia ENPI - joint program of the European Union, Russian Federation and the Republic of Finland 13 th FRUCT conference April 25, 2013, Petrozavodsk, Russia Andrey Vdovenko Mobile Multi-Service Smart Room Client FRUCT13 1 / 15
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Mobile Multi-Service Smart Room Client:Initial Study for Multi-Platform Development
Andrey S. Vdovenko, Sergey A. Marchenkov, Dmitry G. Korzun
Petrozavodsk State UniversityDepartment of Computer Science
This project is supported by grant KA179 of Karelia ENPI - joint programof the European Union, Russian Federation and the Republic of Finland
13th FRUCT conferenceApril 25, 2013, Petrozavodsk, Russia
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Table of Contents
1 Smart Room
2 Development of SR clients
3 Conclusion
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Smart Room
Smart Room system
Smart Room aims at many services:informational, control, collaborative work, . . .
Participation of many users Many (mobile) clients running and accessing SR services
Users come with own devices Many mobile platforms
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Smart Room
Multi-Service PropertyServices allow user interact with SmartRoom and get different sortof informationAccess to services go via a client from a mobile device of user
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Smart Room
Client for Smart Room
Basic servicesI everyone uses them, e.g., slide show
Personalized service access (UI design problem)I appropriate services from a large set
SR services appear and disappear dynamically
Development unification (as much as possible, trade-offs)I Windows Phone and Symbian (Qt) are our reference casesI Desktop solutions (Windows, Linux)I Android and iOS are in progress
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Development of SR clients
Multi-platform considerations
Platform Programming language IDEAndroid Java, partly C, C++ EclipseiOS Objective-C XcodeSymbian platform C++, QML Qt CreatorWindows Phone 7&8 C#, Visual Basic Visual Studio 2010Windows desktop C#, Visual Basic Visual Studio
A lot of programming languages and IDEsGUI is platform-aware
I Universal GUI frameworks are not mature enough
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Development of SR clients
Object oriented design
KnowledgeProcessor - SmartSpace interactionClasses of main services - e.g. Agenda (list of participants),Projector (presentation, changing slides) and etcInternal logic - logic of work with got dataGraphical user interface - representation of information on user’sdevice
Green - same partRed - different part
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Development of SR clients
Smart Spaces SDK
The primary SDK is SmartSloghttp://oss.fruct.org/wiki/SmartSlog/
ANSI C version for mobile Linux family, Qt/Symbian, Android, iOSC# version for Windows desktop family, Windows Phone 7&8High-level (model-driven, ontology-based) programmingModest to device capacity
Use of native code is required for some platforms
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Development of SR clients
User interface
Each service as tabMenu with all servicesStatic and dynamic services
Static - implemented for eachplatformDynamic - download fromavailable services
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Development of SR clients
HTML5 solutions
HTML5 application with specialized mobile frameworks(PhoneGap, jQuerry Mobile, . . . ):
I ”+” one code for any platformI ”+” application can be used in any browserI ”-” bad performance on old mobile devicesI ”-” some difficulties in implementation
HTML5+CSS+JavaScript pagesI ”+” many platforms support HTML5I ”+” one page for all platformsI ”+” cross-platformI ”-” some difficulties in implementation
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Development of SR clients
MVVM pattern
Model is data required for the application;View is graphical user interface;ViewModel contains data for View and commands for workwith Model.
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Development of SR clients
Graphical user interface examples
Agenda on WP Agenda on Windows
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Development of SR clients
Graphical user interface examples
Agenda on Symbian Projector on Symbian
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Development of SR clients
Android and iOS
AndroidI JavaI ANSI C SmartSlogI IDE Eclipse
iOSI Objective-CI ANSI C SmartSlogI IDE XCode
Every platform use MVC pattern for default
Come to our demo to see what we have
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Conclusion
Results
Service PlatformAgenda Windows family, Symbian, Android, iOSProjector Windows family, SymbianAutorization Windows family, Symbian, AndroidBlogging In futureSensors In futureGoogle Schoolar In future
We have solution for dynamic services;We almost have basic services for each platform;
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