Persistent data, communication between UI elements in VD

[cecolon 0]

I really miss the ability to store persistent data in a VD (such as state), and to have proper communication between UI elements such as a button and the main code. The workarounds I have found, is to use a label to share and store data, or serialize a table to a string and store in a global variable. Is there really no better solution?

[sj3fk3 27]

I think converting a table to a json object (string) and storing it in a global variable is the only viable solution for the moment.

[seiq 32]

Yeah sadly global is the only way. Or the IP address and TCP port fields if not in use. Not sure how they go storing json tables though.

Posted an idea that about changes to VD programming that sh/would solve this problem here

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[jakub.jezek 370]

I found if you dont use variable type local 

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and if you use classic variable

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 then data are stored in such variables even if main code in VD start again.

 

Try code below in VD if you want to test it.

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[cecolon 0]

Thank you for your replies. The last code is an infinite loop, I am not sure if we're talking about the same thing here?

[jakub.jezek 370]

Thank you for your replies. The last code is an infinite loop, I am not sure if we're talking about the same thing here?

 

Yeah, It's an infinite loop. If I understand it corectly, that you need to get some state saved. this will save it, that you do not need to save it elsewhere (if using main code only). For connection between button and main code is Label good idea, but i would place something there via REST API (JSON) in front of the code for something, that you do not want another peaople to see in label, but it is desired for another user to use that device.

[cecolon 0]

I used the approach from Krikroff's Sonos VD, and coded this yesterday. It seems to fit my needs, but be aware that it is not thoroughly tested yet!

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Edited September 21, 2016 by cecolon