Problem in creating quantity increaser/decreaser

Hey I want to make something which increase and decreases the amount of things to be purchased from a particular store, to do the same I added two buttons to increase and decrease the quantity, but I'm not able to figure out how to do this.
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Shouldn't that be greater than or equal to 1. I presume this is what the problem is.....

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Stated the same :joy:
Kindly check if your answer has been posted earlier or not!

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Thanks! I did not observe that >=1 part!!
But when I run this app and press on any of the (+/-) buttons
It says bad arguments given!
this is perhaps because the text box stores info as a string and I want it to store it as numbers(integers)
any way to fix this?

You might be giving the input as a string (App inventor automatically converts numbers in strings to number) see here -

Check for spaces and or charcaters

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There is no character or space in the text box. when i press + button then it says
ERROR
Bad arguments to +
The operation + cannot accept the arguments: , [""],[1]

Oh I see! You are trying to click the + button when the textbox is empty. Try setting the default value of the textbox to 0. Then you shouldn't face the error.

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Yeah it worked thanks!

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