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SubExists (Object As Object, Sub As String) As Boolean Tests whether the object includes the specified method. Returns false if the object was not initialized or not an instance of a user class. Para darte una mejor idea revisa: https://www.b4x.com/android/forum/threads/why-this-subexists-dont-work
link: SI SI ver: 109318 https://www.b4x.com/android/help/core.html#keywords_subexists https://www.b4x.com/android/help/core.html#keywords_callsub
link: Antes de pensar en otras cosas relacionadas con esto, que es exactamente lo que hace esta linea? If SubExists(module, Subname) Then CallSubDelayed(mo

Eish,, RemoveDeadCode was on and no comment for 'IgnoreDeadCode. Phew
link: Hi there I have defined this sub in my class module Sub BeforeRouteEnter(boTo As Map, boFrom As Map, boNext As BANanoObject) Log("home: BeforeRo

Instead of: SubExists(mCallBack, mEventName & "_Ready",0) use xui.SubExists(mCallBack, mEventName & "_Ready",0) which is cross-platform.
link: Private Sub AfterLoadLayout(Props As Map) mBase.LoadLayout("Bar") mBase.Color=xui.Color_Transparent #if B4i Sleep(200) #End if
link: "AfterLoadLayout", Props) End Sub Private Sub AfterLoadLayout(Props As Map) mBase.LoadLayout("Bar") mBase.Color=xui.Color_Transparent I
link: test: Sleep(0) Public Sub DesignerCreateView (Base As Panel, Lbl As Label, Props As Map) mBase = Base Sleep(0) CallSubDelayed2(Me, "After

Sub ElementExists(elID As String) As Boolean Return BANano.GetElement(elID).Length > 0 End Sub
link: Hi there Sorry on wrong forum - this is a question How do I check if an element exists? Sub ElementExists(elID as string) As Boolean dim el As BANa

see here https://www.b4x.com/android/help/xui.html#xui_subexists If xui.SubExists(callback, "RefreshFPS", 1) Then ' Your code' CallSub2(callback, "RefreshFPS", 0) End If
link: Use: If xui.SubExists(callback, "RefreshFPS", 1) Then CallSub2(callback, "RefreshFPS", 0) End If
link: I'm in the process of converting some apps from B4A to B4i I stumbled multiple times in the different SubExist implementation: in B4A it has just 2 ar

EVENT_NAME_PRE_EXECUTE); subExistsPreExecute=ba.subExists(eventNamePreExecute); eventNameProgressUpdate=getEventName(EventName, EVENT_NAME_PROGRESS_UPDATE); subExistsProgressUpdate=ba.subExists(eventNameProgressUpdate); if(ba.subExists(eventNameDoInBackground)==false){ throw new MissingC

In the case of B4I, change all SubExists as detailed below. B4I needs to know how many parameters the declared Sub should have. Additionally, use xui, which handles the arduous task of communication between different platforms. If SubExists(mCallBack, mEventName & "_ValueChanged") Then CallSubDel

xui.subexists(GeneralSettings,"QRcodeTextLesen",1) returns a boolean so the correct code should be: StartActivity("GeneralSettings") if xui.subexists(GeneralSettings,"QRcodeTextLesen",1) then CallSubDelayed2(GeneralSettings,"QRcodeTextLesen",Variablen.GeleseneText) else Log("QRcodeTextLe
link: this is my code in B4XMainPage Class Private Sub btn_continue_Click StopCamera Log(Variablen.GeleseneText) xui.subexists(G
link: Are you calling Callsubdelayed2(GeneralSetting,"QRcodeTextLesen",data) as you are passing 1 parameter? You can check if the sub exists by calling

I think I found the issue... In DBUtils v2.05, the Sub 'TableExists' reads: 'Tests whether the given table exists Public Sub TableExists(SQL As SQL, TableName As String) As Boolean Dim count As Int = SQL.ExecQuerySingleResult2("SELECT count(name) FROM sqlite_master WHERE type='table' AND name=? C

Hi, guys -- I obviously something do not understand. To demonstrate my troubles I created following "library" package b4a.SM.Test; import anywheresoftware.b4a.BA; @BA.Version (1.00f) @BA.ShortName ("smTest") @BA.ActivityObject public class smTest { public void Initialize (BA ba, String
link: Thanx. Inline java is another question (java code here is inserted into activity class). In case of library there are two different classes.
link: I hope this helps https://www.b4x.com/android/forum/threads/can-we-use-ba-raiseevent-from-inline-java-code.50161/#content In your java code it would

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