pdf

hello guys, as of now whatsapp for business is launched in many countries, in my country too(i.e India). i have installed it. i have customer's contact numbers and i want to send a bill as a pdf to customer's whatsapp. but is there anybody who might have any idea on how to implement it to send...

Hi Guys: I fund the interesting thread in Show your creations: https://www.b4x.com/android/forum/threads/produce-merchants-stock-orders-print-invoice.61118/ and I was able to make it work with exception of the pdf creation, I get the following errors: java.lang.NoSuchMethodError...