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Very sad to report that Vizwik has ceased operations (Sept '16)


Troubleshooting VizWik

The most important thing to know is that Vizwik does NOT have a Save button! Everything is saved "automagically" in the background.  Therefore, closing Google Chrome can be done at any time and your work is saved to the Vizwik servers ("cloud").

That being said, Vizwik glitches do occur and here are the most common solutions.  
​(I will add to this as more solutions are brought to my attention.)
  • First, if something doesn't work right (like the view/script/data boxes don't open when they should, or the simulator doesn't show the latest changes):
    Reload the entire Vizwik page by clicking in the "http://vizwik.com/____" area and press "Enter" on the keyboard. This solution should solve 80-90% of Vizwik glitches - it appears to be a problem with how Google Chrome interacts with Vizwik.
    *Don't bother with Reload/Refresh buttons, as they don't do a complete reload.
Picture

Image from here

  • Second, if the above reload doesn't work, try closing Google Chrome completely 
    Remember, saving is done automatically - there's no save button!
    - count to 10
    - re-open Google Chrome, go to vizwik.com, click "Sign In"
    ​- see if the problem is resolved
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Picture

​
  • Third, if the code is all right, but it's still not working:
    a) open the side panel on the phone simulator
    b) if the error message says that a variable isn't "getting" then:
    --- check that the variable is spelled the exact same everywhere
    --- check that the variable has a value "setup" at the very beginning
    c) if it still doesn't work, and the problem is a user-created variable, then it might be a common VizWik glitch and you need to "delete and re-create" all of the references to this variable (in all of the scripts).  This sounds extreme, but in most cases it will only take about 3 minutes to do this.  And then it magically works.  I have no explanation for this except that it works.  
    ​(April 2015 note: Had to perform this "delete and re-create" for a variable today.  Still have no idea what went wrong, but this fixed it.  I was getting an error stating that a variable had not been created (or something like that) and when I re-created it in every location, then the exact same code worked just fine.  Strange but true!)

  • Fourth, when using the blue "Block & Loop" blocks, sometimes the cases don't work right.  I find this usually happens when I copy-and-paste the "Match a Variable" block of code.  To fix it, just delete the one "Match a Variable" block of code within each case, and then re-create them.  
    - If this doesn't work and the blue "Block & Loop" is still not working, then delete the entire blue block and start it over.  Again, this usually sounds worse than it is.  Somehow, when we acknowledge that it might be a VizWik glitch, and it's not the student's fault, then my students are able to get over it fairly quickly.  (It could even be a Google Chrome glitch; I just know that it often isn't my student's fault!)
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Picture
Match a Value


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