LiveCode Forums.

Posted: **Fri Apr 05, 2013 6:38 pm**

Hi All,
I have to choose between two methods to classify a list of png files like this:

size,image1.png,image2.png,image…

Methode 1
Use the size of file as number of the currentline in a loop

Methode 2
Use the size of file as name of array key in a loop

Methode 2 is faster than Methode 1 but i read "keys of tarray" is desktop only

Is there a way to get the keys of an array on IOS ?

Best regards
Jean-Marc

Posted: **Fri Apr 05, 2013 6:50 pm**

Use element instead. SHould work.

Posted: **Sat Apr 06, 2013 9:02 am**

Hi Sturgis,

Thanks for your reply

Code: Select all

 put the keys of gDataA into tK

work fine

Code: Select all

put the elements of gDataA into tK

return an error (Expression: bad factor)
Kind regards
Jean-Marc

Posted: **Sat Apr 06, 2013 2:15 pm**

Hmm. DOH, I misread it. It works with the values not the keys. DOH.

I'm thinking, surely the array stuff has been updated to include IOS and android. Have you tested getting the keys on a device? The dictionary has been known to be wrong once in a while.

Posted: **Tue Apr 09, 2013 3:39 pm**

Thank for the doubt about dictionary

The dictionary has been known to be wrong once in a while.

You're right. I tested on my iPad

Code: Select all

get the keys of myArray

work fine
Does someone can confirm it work with androïd ?
Best
Jean-Marc

Posted: **Tue Apr 09, 2013 4:18 pm**

Yep, android is fine too.

Posted: **Tue Apr 09, 2013 4:25 pm**

Great !
I put a comment in the Dictionary User notes

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