Android Question How i check if Client Network is disconnected ? [ Official Library ]

Waldemar Lima

Well-Known Member
Licensed User
hi everyone !

how can i check if Client Network is disconnected from server ?


B4X:
#Region  Project Attributes
   #ApplicationLabel: B4A Example
   #VersionCode: 1
   #VersionName:
   'SupportedOrientations possible values: unspecified, landscape or portrait.
   #SupportedOrientations: unspecified
   #CanInstallToExternalStorage: False
#End Region

#Region  Activity Attributes
   #FullScreen: False
   #IncludeTitle: True
#End Region

Sub Process_Globals
   'These global variables will be declared once when the application starts.
   'These variables can be accessed from all modules.
   Public srv As Socket
   
End Sub

Sub Globals
   'These global variables will be redeclared each time the activity is created.
   'These variables can only be accessed from this module.
 
     Public Label1 As Label
End Sub

Sub Activity_Create(FirstTime As Boolean)
   'Do not forget to load the layout file created with the visual designer. For example:
   Activity.LoadLayout("1")
   srv.Initialize("srv")
    srv.Connect("192.168.1.3",5563,3000) 
   
End Sub

Sub srv_Connected (Successful As Boolean)
   If (Successful = True) Then
   Log("connected")   
   Label1.Text = "Connected"
   End If
End Sub

'---------------------------------------------------------------
'Like this function !! check when connection is closed by server or internet fail 
Sub srv_Disconnected (Successful As Boolean)
   Log("connection lost")   
   Label1.Text = "Disconnected"
   End If   
End Sub
' -------------------------------------------------

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub
 

Jack Howard

Member
Licensed User
Longtime User
In srv_Connected, Could you use If (Successful = false Then ....

Also you may also need in addition to set to false when errors are detected, or even a timer when no activity is detected depending on your application
PS With Astreams you get
Sub astreams_Terminated
Sub astreams_Error
 
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