Android Question [Solved] B4XPages - Changing the theme at runtime

[asales]

I'm trying to use this code to change the theme in a b4xpages project:

Changing the theme at runtime

Using the hooks feature it is possible to change the Activity theme at runtime. The theme is set before the activity is actually shown. This means that in order to change the theme we need to destroy the activity and start it again. You can use StateManager to save the activity state. The...

www.b4x.com

But I get this error when I try to compile:

Compilando o código Java.    Error
B4A line: 73
End Sub
src\b4a\example\themecolors\main.java:493: error: cannot find symbol
        _theme_value = Integer.parseInt(File.ReadString(getFilesDir().toString(), "theme.txt"));
        ^
  symbol:   variable _theme_value
  location: class main

Any tips to fix this problem are welcome.

Thanks in advance.

 

[Erel]

"There must be a process global int variable named Theme_Value."

 

[asales]

"There must be a process global int variable named Theme_Value."

That was it.
I declared the Theme_Value variable in B4xMainPage.
I changed to then Main as Public and worked fine.

Thanks!