Bug? Activity inside b4a library

[Federico956]

Hi all,

I have made a b4a library with an activity inside called from a class module of the library.
I had this message error: "java.lang.ClassCastException: java.lang.NoClassDefFoundError cannot be cast to java.lang.Exception"

I have already copied all .bal and images in my main project folder.

Anyone know If is it possible to have an activity inside a b4a library?

Thank you

 

[Erel]

Anyone know If is it possible to have an activity inside a b4a library?

It is possible.

How are you calling the activity from the class module?

 

[Federico956]

How are you calling the activity from the class module?

Dim ltx As LibTx   'LibTx is my library

I'll do Initialize and other declaration then I call:

ltx.StartaFtp

This is the activity I need to call:

Public Sub StartaFtp
   Try
       StartActivity("FrmFtp")
   Catch
       Log(LastException.Message)
   End Try
End Sub

 

[Erel]

Use StartActivity(FrmFtp) instead of the string.

 

[Federico956]

Use StartActivity(FrmFtp) instead of the string.

Thank you very much Erel, now it works but I have found two potentially problems:

In the same situation (Activity in a library) if I debug in rapid mode I have "NullPointerException" error, instead if I debug in Legacy mode it works correctly. The potentially problem should be the Keyword Activity used in the library (I call Activity.Title and Activity.Color), because if I remove them from the library it works correctly in rapid debug mode too.

Is a rapid debug mode problem or I was wrong something?

 

[Erel]

Can you post the full error message from the logs?

 

[Federico956]

Can you post the full error message from the logs?

I only have java.lang.NullPointerException both in logs and on the Smartphone like a MsgBox2 that allows me to continue or not.

 

[Erel]

Can you send me your project with the library to [email protected]?

 

[Federico956]

Can you send me your project with the library to [email protected]?

Sure, but since both the library and the project are very big, I'll realize a little sample and a little library with the same behavior and I'll send you all as soon as possible

Edit: sent.