FDT for Mobile Devices

Transcription

1 FDT for Mobile Devices

2 ABSTRACT Currently the established FDT2 technology is bound to PCs with Windows Operating System. However, there is an increasing trend for mobile applications in automation industry. This presentation is about a concept study where these limitations are overcome by providing a platform independent user interface.

3 OVERVIEW Intro Challenge Points of interest Concept Mobile support Mobile Scenario Technology Translation Example Signal R Frame on Windows RT Live Demo Summary Conclusions

4 INTRO - THE CHALLENGE Phone Web- Browser Tablet FDT2 focus on PC / server application Based on.net Executable on Microsoft Windows platforms Internet or Intranet Web and mobile application not in scope Web UIs in web browser Applications on smartphones UIs and frame applications on tablets

5 INTRO POINTS OF INTEREST How may a mobile enabled DTM look like? Which files have to be provided in the Installation package? How does a DTM developer create HTML5 / JavaScript UIs? What kind of changes are necessary in the frame application? How can a Frame Application load mobile enabled DTMs? How can JavaScript and HTML5 files be deployed and hosted? Which parts may require standardization to allow the described scenario in a vendor independent way? What about compatibility to FDT2? What is the suggested use case for this extension? 6

6 CONCEPT - FDT2 DTM WITH MOBILE SUPPORT FDT2 DTM provides additional user interface for web/ mobile support Best of both worlds for user interfaces DTM mobile user interface is based on HTML 5 Normal DTM user interface Business logic is based on Microsoft.NET as specified in FDT2 specification today DTM Setup DTM User Interface DTM Mobile User Interface install, update, uninstall Business Logic

7 CONCEPT - FDT MOBILE SCENARIO FDT2 Frame Application is divided into server and client part Frame Application specific communication Frame Application Mobile Device (Client) DTM Mobile UI Frame Application Internet or Intranet Frame Application on client side Requests DTM Mobile UI (HTML5) from server and hosts it Communicates with Frame Application on server side via web-technologies (vendor specific) Business Logic FDT Server Frame Application on server side Runs the DTM business logic (Microsoft.NET) Includes a web-server Client Frame Application technology is vendor specific, may be HTML5 web-page Native mobile App

8 CONCEPT TECHNOLOGY TRANSLATION FDT2 UI messaging concept is also used for DTM Mobile UIs 3. Client Frame Application sends XML message to Server Frame Application DTM Mobile UI IDtmUiMessagingMobile 1. DTM Mobile UI creates XML message and sends it via IDtmUiMessagingMobile interface (new introduced Java-Script interface) 3. Frame Application converts XML message to corresponding.net message and send it to DTM business logic via IDtmUiMessaging (existing FDT2 interface) App. Frame Frame App. IDtmUiMessaging 2. Frame Application wraps DTM XML message in own XML message and provides additional information (e.g. target DTM business logic) Business Logic

9 EXAMPLE SIGNAL R FOR TECHNOLOGY TRANSLATION SignalR for connection between Frame Application and Mobile Frame Application Web-server is Microsoft IIS and supports all web browsers Server Frame Application Web Service IDtmUiMessaging Messages are translated to SignalR representation format IDtmUiMobile Messaging Client Frame Application Internally the conversion to Mobile FDT messages is done SignalR (.NET Stub) Internet or Intranet SignalR (HTML5 Stub) Generated Stub runs on web server Interface is exposed and can be used by HTML5 stub to exchange messages Generated HTML5 stub runs on client side

10 EXAMPLE LIVE DEMO ON WINDOWS RT Windows RT App Represents Client Frame Application Shows DTM Mobile UI pages with HTML5 Mobile enabled DTM Represents FDT2 DTM Shows online parameterization page Represents Represents

11 SUMMARY Concept enables use of DTM UIs on mobile devices, in web browser Concept is platform independent through the usage of HTML5 Concept is backward compatible, new DTMs can run in todays FDT2 Frame Applications Existing FDT2 DTMs can be mobile enabled New / additional mobile UI is provided Existing DTM business logic and UIs remain unchanged New FDT2 DTMs can provide mobile UIs only New common component needed to host mobile UIs in existing FDT2 Frame Applications Client/ Server architecture is Frame Application specific No need to standardize the architecture New Interface IDtmMobileUiMessaging has to be implemented Security aspects have to be handled by the Frame Application vendor

12 SUMMARY CONCLUSION The concept study shows the feasibility of the general idea However, the idea of FDT is to provide vendor independent solutions The concept study also provides input for potential standardization The following key aspects where identified to be specification relevant JavaScript API definition which can be used in DTM UIs Definition of message envelope Definitions for Deployment of DTM which has a mobile UI

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14 FDT2 EXTENSION - NEEDED FDT2 EXTENSIONS FDT2 annex specification How HTML5 is used for DTM Web UIs / how Frame Application shall host the UIs Registration of DTM Mobile UIs (extension of DTM UI manifest files) Definition of IDtmMobileUiMessaging Java-Script interface Envelope for FDT message transport Conversion from.net to XML is already defined in FDT2 Therefore only the envelope structure and contents have to be defined Style guide for HTML5 Web UIs (e.g. for PC, Tablet and Phone) UI form factors (supported screen sizes, scaling behavior ) etc. DTM Web UI host common component To host Web UIs in todays classic FDT2 Frame Applications Ensures backward compatibility

15 FDT2 EXTENSION - MESSAGE ENVELOPE Envelope is used to enable FDT message translation from FDT2 to FDT Mobile Meta information is needed for deserialization in.net Serialized FDT2 Message(s) (XML) 1 n Identification Number <Meta Information> FDT Message Type Names <Meta Information> FDT defined Messages <Meta Information> Unique identification for each used Envelope (GUID) List of FDT2 message type names that are used in the messages of the Envelope (Assembly Qualified Class Names) Types that are used in each serialized FDT2 message have to be declared here.

16 FDT2 EXTENSION - CLASSIC SCENARIO Concept is full backward compatible to existing FDT2 Frame Applications If FDT2 Frame Application asks DTM for normal WinForms or WPF user interfaces, then mobile DTM UI is wrapped Desktop Application DTM Mobile UI Business Logic WinForms or WPF wrapper user interface DTM Frame Application DTM wrapper user interface may be provided as FDT common component