modules

Hello, I apologize for how n00b these two questions are, but any help with them would be greatly appreciated. I'm new to B4X (B4A), but am a long time (i.e. old) programmer and VB used to be my favorite programming language. How on earth do you declare a truly Global variable? How can I...

I have managed to get B4JPackager11 working but find I have a problem. Each .exe package generated by B4JPackager11 is roughly 55MB I run 16 B4J modules on AWS EC2 instances => 880MB total I also run 7 B4J modules on small headless/legless field PCs => 380MB total The disk space is not so...

I would like to port the Bluetooth Android app I wrote on App Inventor 2 over to B4A. It connects very easily to SPP modules in transparent serial mode. Does B4A have the ability to connect to these modules (e.g. BT04-A, JDY-10, etc), or is there only BLE capability? Edit: Forgive me for the...

Trying to use these external modules, which are written in plain C. When linking in B4R, "undefined reference errors" occur because the c source files are being converted to cpp files. Have flagged in Inline C that the functions are c code with extern "C" blocks = see below snippet. Using the...

Trying to use these external modules, which are written in plain C. When linking in B4R, "undefined reference errors" occur because the c source files are being converted to cpp files. Have flagged in Inline C that the functions are c code with extern "C" blocks = see below snippet. Using the...