How to change image based on text input

dear all
kindly i need to change the image on app based to text label come from scan qr code.
it’s important to me hope to get help from my friends and colleagues

I did not understand.
Why not use the qrcode return, and do a search in your database, or use an IF condition?

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Do you mean you want to build a QR Code Generator App?

thats what I’m do i used qr return and the value was input in text box after that i used if condition
if text match the value in if condition change the image to another one in app assets

So, what’s the doubt?

oh i guess he means google lens

Do you mean read or scan qr code like this ?
And result put in textbox?