Bug? ComboBox

[GiulioVale]

Hi,
with new internal design I make a simple form and put inside a ComboBox.

If i load this form there is an error like

Program started.
java.lang.RuntimeException: java.lang.StackOverflowError
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:114)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:82)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:84)
    at b4j.example.main.start(main.java:36)
   ...

Any help?

 

[Erel]

Can you upload the project?

 

[GiulioVale]

Yes

 

[Erel]

Works fine here. Can you post the full error message from the logs?

Check the libraries versions. Should be:

 

[GiulioVale]

Libraries versions are correct

full error message is attached

thanks

 

[Erel]

It looks like a bug in JavaFX. Which version of Java are you using?

 

[GiulioVale]

java version "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) 64-Bit Server VM (build 25.51-b03, mixed mode)

Windows 8.1

 

[Erel]

I'm testing it with the same version and it works properly.

Does it happen in both debug and release modes? Try to change the combobox background with the designer and see whether it still happens.

 

[GiulioVale]

Same error in debug and release
Same error with background changed

 

[Erel]

Please try the following code:

Sub Process_Globals
   Private fx As JFX
   Private MainForm As Form
End Sub

Sub AppStart (Form1 As Form, Args() As String)
   MainForm = Form1
   MainForm.SetFormStyle("UNIFIED")
   MainForm.Show
   Dim cb As ComboBox
   cb.Initialize("")
   MainForm.RootPane.AddNode(cb, 10, 10, 200, 100)
   cb.Style = $"-fx-font-size:17.00;-fx-border-color:#000000;
   -fx-border-radius:0.00;-fx-border-width:0.00;-fx-background-radius:0.00;
   "$
End Sub

Do you see the same error?
If yes then try to remove parts of the CSS string until the error disappears.

 

[GiulioVale]

Hi Erel,
if I remove -fx-background-radius:0.00;
there is the attached error, otherwhise I see the combobox

 

[Erel]

That's useful. Another thing that I would like you to try:

Sub AppStart (Form1 As Form, Args() As String)
   MainForm = Form1
   MainForm.SetFormStyle("UNIFIED")
   MainForm.Show
   Dim cb As ComboBox
   cb.Initialize("")
   MainForm.RootPane.AddNode(cb, 10, 10, 200, 100)
   cb.Style = $"-fx-font-size:17.00;-fx-border-color:#000000;
   -fx-border-radius:0.00;-fx-border-width:0.00;-fx-background-radius:20.00;
   "$
   cb.Items.AddAll(Array ("Item 1", "Item 2"))
End Sub

If it works then try to comment the last line and test again.

 

[GiulioVale]

Sorry Erel
now error with e without last row

 

[Erel]

Thank you. For now the -fx-background-radius will only be added if the radius is different than 0.

 

[GiulioVale]

Erel for now in my project with:

combo1.Style = $"-fx-background-radius:0.00;"$

solve the problem

 

[Erel]

Are you sure that the IDE is configured to use Java 8? Check it under Tools - Configure Paths.

 

[GiulioVale]

You are in right my jre is 1.8 my jdk is 1.7. Now there is no problem with jdk 1.8.
Thanks