L 'ho chiamato in questo modo FinestraPrincipale
poi ho scritto
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
Se faccio eseguire questo codice
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
Mi va in errore
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
			
			poi ho scritto
			
				B4X:
			
		
		
		If username = "admin" And password = "password" Then
        xui.MsgboxAsync("Accesso consentito!", "Welcome")
        B4XPages.ShowPageAndRemovePreviousPages("FinestraPrincipale")
        end if
	Se faccio eseguire questo codice
			
				B4X:
			
		
		
		        B4XPages.ShowPageAndRemovePreviousPages("FinestraPrincipale")
	Mi va in errore
			
				B4X:
			
		
		
		Application_Start
Call B4XPages.GetManager.LogEvents = True to enable logging B4XPages events.
Application_Active
Error: page id not found: FinestraPrincipale
Ids: <B4IList: (
    mainpage
)>
SignalHandler 11
Error occurred on line: 350 (B4XPagesManager)
Signal - 11
Stack Trace: (
    "0   Prova Login     SignalHandler + 117",
    "1   libsystem_platform.dylib            0x00007fff6da1dd7d _sigtramp + 29",
    "2   ???                  0x0 + 4320393216",
    "3   Prova Login     -[b4i_b4xpagesmanager _showpageandremovepreviouspages::] + 735",
    "4   Prova Login     -[b4i_b4xpages _showpageandremovepreviouspages:] + 434",
    "5   Prova Login    -[b4i_b4xmainpage _btnlogin_click:] + 732",
    "6   CoreFoundation       __invoking___ + 140",
    "7   CoreFoundation       -[NSInvocation invoke] + 305",
    "8   Prova Login     +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1519",
    "9   Prova Login      -[B4IShell runMethod:] + 380"
)