I have this code:
I don't want to *.RemoveAllViews until I know that I can show something in its place. At the moment, it seems to run *.RemoveAllViews, then, if it tries the CallSub2() and the class doesn't have a "Show" sub, it skips to the catch, thus leaving the display blank.
How do I verify a class has a sub prior to attempting to call it?
THE ANSWER
OK, so, before I submitted this question, I did a search with the term "How do I verify a class has a sub prior to attempting to call it". No helpful results (at least on the first page).
Then I went to my code, and on the Value class, I started typing possible sub names for what I wanted. I started with "Exists," and, lo and behold, "SubExists" was available!
Here's the revised code that works like I want:
Looks like I don't need you guys anymore.
Anyway, posting this in case someone else has those search terms in the future...
B4X:
Private Sub clv_MenuButtons_ItemClick (Index As Int, Value As Object)
Try
pnLayoutLoader.RemoveAllViews
CallSub2(Value,"Show",pnLayoutLoader)
lblDashboardTitle.Text = "App - " & CallSub(Value,"GetName")
Catch
Log("clicked on stub")
End Try
End SubI don't want to *.RemoveAllViews until I know that I can show something in its place. At the moment, it seems to run *.RemoveAllViews, then, if it tries the CallSub2() and the class doesn't have a "Show" sub, it skips to the catch, thus leaving the display blank.
How do I verify a class has a sub prior to attempting to call it?
THE ANSWER
OK, so, before I submitted this question, I did a search with the term "How do I verify a class has a sub prior to attempting to call it". No helpful results (at least on the first page).
Then I went to my code, and on the Value class, I started typing possible sub names for what I wanted. I started with "Exists," and, lo and behold, "SubExists" was available!
Here's the revised code that works like I want:
B4X:
Private Sub clv_MenuButtons_ItemClick (Index As Int, Value As Object)
If SubExists(Value,"Show") Then
pnLayoutLoader.RemoveAllViews
CallSub2(Value,"Show",pnLayoutLoader)
lblDashboardTitle.Text = "App - " & CallSub(Value,"GetName")
Else
Log("clicked on stub")
End If
End SubLooks like I don't need you guys anymore.
Anyway, posting this in case someone else has those search terms in the future...