Android Question I want to make a simple alarm clock using service?

LucaMs said:

Call a public Sub of the Main that updates the Label (e.g. CallSubDelayed2(Main, "UpdateUI", "some text").

It is recommended to create a B4XPages project.

You should create a foreground service.

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Private Sub btService_Timer_Click
    StartService(Timer_FW)
End Sub


Timer_FW.bas

Sub Service_Start (StartingIntent As Intent)
    'Service.StopAutomaticForeground 'Starter service can start in the foreground state in some edge cases.
    Service.AutomaticForegroundMode=1
    timer1.Initialize("Timer1", 1000)
    timer1.Enabled = True
End Sub

Sub Timer1_tick
    pubbas.TickCount=pubbas.TickCount+1
    Count2=Count2+1
    If pubbas.Activity_Show=True Then
        CallSub(Main,"Service_ShowTimer")
    End If
End Sub

xiaoyao said:

if my sub no agrmemuent,how to CallSubDelayed(main,"Service_ShowTimer",null?) or arry(null)?

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hatzisn said:

If you want to use a service or a receiver the shorter period for calling it with StartServiceAtExact or StartReceiverAtExact is 30 minutes. You also have to add in manifest the proper permissions (check the forum as I do not remember them at all).

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