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In many cases you need to run a task in a few seconds. The solution for such cases is to create a timer and then execute the task in the timer's Tick event. This is good for a single task. However if you need to run multiple tasks then it becomes difficult to maintain. This small class makes it much simpler. You just need to call CallSubPlus with the target sub and the delay. Internally it uses a (one shot) timer together with CallSubDelayed or CallSub. There are four methods: CallSubPlus...

msg ='Hello world '+count; b4j.CallSub('show_msg', msg... import java.lang.reflect.Method; public static class Bridge{ public static void CallSub(String...
link: Where did you find the example code? I've never tried it from a code module (Main), but it wor...
link: public Object callSub(String sub) { // for call with no parameters return ba.raiseEvent2...
link: Your code is correct. You need Java 14 to run it and this part of your code needs to be changed to m...

Could an event called by a class be a sub Resumable? For example Sub Class_Event as ResumableSub Return True End Sub And could the class invoke the event and wait for completion? Something like this 'Call Event If SubExist(mCallBack,MEvent & "_Event") then Wait for (CallSub(mCallBack,MEvent & "_Event")) Complete (Success As Boolean) End If...

Just a simple method that makes creating event names for CallSub easier. Useful for Custom Views. Method: Private Sub CreateEventName (SubName As String) As String Return $"${mEventName}_${SubName}"$ End Sub To use: CallSub(mCallBack, CreateEventName("YourEvent")) ...
link: Note that in most cases it is better to use CallSubDelayed instead of CallSub....

) I don't know if creating a CallSubDelayed4 (and CallSub4) that allows you to send...

CallSub here is a minimal proof-of-concept (useless) code Sub AppStart (Args() As String) Dim o1... As Object In a CallSub(o, "Initialize") Next End Sub This code throws....NullPointerException at anywheresoftware.b4a.keywords.Common.CallSub4(Common.java:522) at anywheresoftware...
link: you could change your loop to (using javaobject) For Each o As Object In a #if debug ' debug needs 2 parameters ...
link: It's probably that Dim a As Class1 doesn't actually create the object, it just creates a reference which until (B4X) initial...

Ciao a tutti, ho notato che se da un modulo di classe A chiamo una Sub in un modulo di codice B con CallSub(B,"NomeSub") quando compila mi da errore, se invece utilizzo CallSub per chiamare...? CallSub(b,\ shell\src\xxx\software\gau\a_subs_0.java:513: error: cannot find symbol a.__c...
link: Grazie...
link: Non si può chiamare una sub da classe a modulo semplice? https://www.b4x.com/android/forum/threads/callsubdelayed-and-code-modules....

Ciao, ho un problema con il CallSub2 durante la compilazione che va in errore perchè? ModuloA è un... la sub chiamata deve interpretare CallSub2(ModuloA,"Get_" & Codice & "_...
link: non dicevi sul serio, vero? ci sono pagine di un thread per far funzionare una cosa convoluta e non...
link: E' anche più ordinato (Lucas) non dicevi sul serio, vero? ci sono pagine di un thread per far ...
link: No, eh? Mi sono illuso ? ? queste chat mi piacciono??...

I need to execute in Activity from a subroutine: CallSub2(CallBack,"delChild",id) Everything works correctly. But if delChild is passed through a variable: Private SubObj As String="delChild" CallSub2(CallBack,SubObj ,id) logs: Sub 'delChild' is not used. (warning #12...
link: Thanks toby! I did not know that :(...
link: If it works, then you can ignore the warning by adding comment 'ignore as shown Sub delChild(id as int) 'ignore...

Sub CallSubX (Component As Object,SubName As String,Params() As Object) Dim no As NativeObject=Component Dim name As String=SubName Dim ll As List ll.Initialize2(Params) For i =0 To Params.Length-1 name=name & ":" Next no.GetField("bi").RunMethod("raiseUIEvent:event:params:",Array(Null,name,ll)) End Sub Example usage Cal...