How do I get the maximum Index number of a list?

[TTG_Studioz]

Hello.
What I'm trying to do is to get the maximum index from a list.

As you can see, inside the If statement, is empty.

I'm trying to move from Index 1 to 2 to 3 and so on, in a way that when the user has reached all the way to the max of the index in a list, it will go all the way back to index 1.

And of course, the user can add items to the list so the number of the index may vary.
Thank you.

[TTG_Studioz]

hmmm i think this is the solution...

I'll wait until tomorrow to see if there's no problem with it to mark it as the solution.

[Taifun]

@TTG_Studioz

What I'm trying to do is to get the maximum index from a list.

try the length of list block
http://ai2.appinventor.mit.edu/reference/blocks/lists.html#lengthoflist

Taifun

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[TTG_Studioz]

@Taifun

length of list

Yup that's the solution.
I love that you always answer and help!!!