Android Question Process_Globals Variables

Baltazar

Member
Licensed User
Longtime User
Hi everyone,
How big is the amount of data we can temporarily save inside Process_Globals block ? Is there a recommended amount an application should keep there? For example , I need to save around 100kB worth of variable values (when the activity gets paused) so that I can replicate my screen later on .Is this value reasonable? Or can I temporarily save there say, around 200kB or even more without worrying about system crash? In conventional OS, this would not be a problem because the OS's virtual memory manager will cache it in the secondary storage.
 
Last edited:
Sort by date Sort by votes

Baltazar

Member
Licensed User
Longtime User
And here's a follow up : I have created a class but it seems , it cannot access the Process_Globals variables although I don't get any warning or error from the IDE. The test consists of a button created in a class and viewed in the main activity. The activity has a timer that ticks every 500ms and monitors a boolean variable in the Process_Globals and responds accordingly when the variable is true. Here, when I click the button nothing happens but I monitored that the timer is ticking. Here's the code:

Main Module:

B4X: 
Sub Process_Globals
    Dim monitor As Boolean
    Dim tmr As Timer

End Sub
Sub Globals
    Dim bClass As myclass
End Sub
Sub Activity_Create(FirstTime As Boolean)
   tmr.Initialize("tmr",500)
   tmr.Enabled = True
   bClass.Initialize("")
   Activity.AddView(bClass.View,40%x,40%y,20%x,20%y)
End Sub

Sub tmr_tick
   Log("Tick!")  ' it is indeed ticking!

   If monitor Then     ' this section is not executed
   Log("Caught")
   ToastMessageShow("Clicked",False)
   monitor = False
   End If

End Sub

My Class :
B4X: 
Sub Class_Globals
    Private btn As Button
End Sub


Public Sub Initialize(objName As String)

  btn.Initialize("btn")
End Sub

Sub getView As View
   Return btn
End Sub

Sub btn_click
   monitor = True       'let's change the state of a var in Process_Globals
End Sub
 
Last edited:
Upvote 0

HotShoe

Well-Known Member
Licensed User
Longtime User
You'll need to prefix the variables in your main acctivity's Process_Globals with Main.whatever to access them from another module.

--- Jem
 
Upvote 0

Baltazar

Member
Licensed User
Longtime User
Quick reply from the community ,as usual.
Muchas Gracias! HotShoe . I suppose the same scope resolution applies to classes? Oops, I realized, the Private and Public directives would take care of it.
 
Last edited:
Upvote 0

LucaMs

Expert
Licensed User
Longtime User
Instead of using a timer in the Main, put there for example:
B4X: 
Public Sub Monitor_Click
end Sub

and in your Class:
B4X: 
Sub btn_click
    CallSubDelayed(Main, "Monitor_Click")
End Sub

(So you've basically created an event)
 
Last edited:
Upvote 0
You must log in or register to reply here.
Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…