global variable

I am trying B4A code to receive notifications via FCM such as Erel example The app has only one activity for entering configuration data that are saved by writing to a text file When the app starts, it displays the configuration screen, which disappears after 60 seconds (via a timer) After...

Hello all, it's known that the best place to put startup code to check parameters and data for app initialization (like creation tables on new databases, environment variables and so on) in Android/B4A is in the start service, as well as the right choice to put global variables is in the...

I have a global and local variable with the same name. If I change the local variable, it overrides the global one. Example below. Demo is also attached. This is not how it works in other languages. A local variable will never override a global variable. Bug or "feature"? Sub Globals...

Hello everybody, i need a little bit help. I know it is not the best idea to connect a ESP/Arduino to a SQL Database but i need this to reduce the complexity of my project. There are better and faster Solutions like this...