iOS Question async methods

[Albi]

Hello,

I just need to try to find a work around for no DoEvents in B4i.
I want a toastmessage or a label to show briefly, after selecting an option from a message box. At the moment, the code pauses with the WaitFor routine, but the label/message doesn't show. (Though of course it shows when you step thru the code)
The code I have is

lblWrong.Visible = True
WaitFor(1000)
lblWrong.Visible = False

Sub WaitFor(Milliseconds As Int)
Dim s As Long
s = DateTime.Now
Do While DateTime.Now < s + Milliseconds
Loop
End Sub

I tried using ToastMessageShow instead of a label, but the same problem occurs.
I'm sure there's a workaround I just haven't yet thought of...

 

[Erel]

You should never try to block the main thread. It will only cause problems.

A standard call for ToastMessageShow should work here (after you remove the WaitFor method).

 

[Albi]

The toast message shows, and then almost straight away the message box appears over it, so I was just trying to get it to pause, but i think moving the location on screen of one or the other would help.
So I got rid of the waitFor and just used a label instead of a toastmessage, and put the label to the top of the screen.

Thanks!

 

[yonson]

Hi Albi I had a similar problem to you, if you check out my post and it should help:-

https://www.b4x.com/android/forum/threads/49887

 

[Albi]

thanks, I saw that but wasn't and still am not entirely sure what you did there.