need advice from the expert

Hello everyone, A customer ask me to develope an app that allowd the user to comunicate with a server online. Nothing so special, just read n write some record in a few table. The problem it's the app need to run on android and ios, so i dont't know if it's easy to develope with B4X libraries in...

Hello I am 3 month learning this great software (basic4android), i still have a problem to understand using activity_create / resume / pause, switch between activity, and connect to web service. i had create project display product name using Listview and grouping category product using...