objects

Hi, Guys I am having a problem - I am using B4X pages and have setup an object to store information used by may classes and pages in my application. In the App this global object (with a public attribute) resides in the B4XMainPage, however when testing is can reside elsewhere. So I have...

Hi, Guys I am in the process of cleaning up some old code (which does work). This code appears to use null or "" relating to strings in indicate they are empty. I remember reading a Post from Erel saying best not to use Null for some situations (but I can't find it) and I could have got it...

Salve non sono molto esperto in programmazione di seguito posto parte del mio programma: Sub ListAnimals As ResumableSub Wait For (Connect) Complete (Success As Boolean) If Success Then Try Dim sf As Object = mysql.ExecQueryAsync("mysql", "SELECT id, data FROM...

This is a generic question about the responsibility of a class in downloading and parsing it's own members and if this is considered good practice. I have a now large program that downloads multiple objects from the internet and saves them into lists I am trying to keep my main class as "clean"...

Hii experts, I have to create an application by custom components class. in which I want all same property of default object. like Button class, I want to create my custom components button which contains all property and event of buttons. like in other software, there is option of base class...

I used the ESP Configurator to get me started with communicating with my ESP-12E. When I then tried using the B4A client example to communicate with it, it ended up screwing up the WiFi settings on the ESP. I quickly realized why after looking at the code. So now I intend to add a "header" so...