Android Question How to access a CustomView object in b4xmainpage by view index?

[Oliver Simith]

Hi,
As an exercise for learning to create custom views, I have implemented a custom view class named TapCounter which is made of a panel and 2 labels. Then I added 3 views of this class in the designer. They work well, I think. But I don't know how to access an object of TapCounter by index from its parent in B4xmainpage.

By reading This thread, I understand that what ".getview()“gets in the context of custom view is not actually a view, but a base panel. The problem is I have no idea of how to access the parent of the base panel.

I tried the following code because I thought that if I could access the Activity, I could use a command like "activity. getview()". But it doesn't work.

'***In B4xMainPage:

private sub btn1_click
    Dim p As TapCounter=Root.Parent.As(Activity).GetView(0)' I don't know how to get access to the base panel of a Tapcounter object by index
end sub

So, how should I solve this? and thanks for any ideas or help

 

[Erel]

Is the click event raised from the custom view? If so:

Private Sub btn1_Click
 Dim p As TapCounter = Sender

 

[Oliver Simith]

Is the click event raised from the custom view? If so:

Private Sub btn1_Click
 Dim p As TapCounter = Sender

No, it is just a standard button. I added this button because I prefer the test code not to run automatically when the app starts.

 

[Erel]

See this tutorial: [B4X] How to get <custom view here> from <CLV or any other container>

It should be something like:

Dim p As TapCounter = Root.GetView(x).Tag

 

[Oliver Simith]

See this tutorial: [B4X] How to get <custom view here> from <CLV or any other container>

It should be something like:

Dim p As TapCounter = Root.GetView(x).Tag

Your solution worked. Thank you, Erel! I had tried the "root.getview()" command before, but I might have forgotten to add ".tag" at the end, so I always got a "variable type mismatch" error. It's resolved now, thank you very much!