CustomListView - A flexible list based on ScrollView

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DonManfred

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You have DIM an object p as panel. But you previously dim a p as phone
 

GMan

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How can i get the content of the (GetView(0)) in the lower CLV3 ( i.e. the text "Item #9") ?
 

GMan

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Thx...you made my day
 

GMan

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..and how works this with a "normal" ListView ?
There i want to get the second.label - Text

The getPanel is not allwoed with that :-(
 

DonManfred

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..and how works this with a "normal" ListView ?
There i want to get the second.label - Text

The getPanel is not allwoed with that :-(

You can store any info you like in the listviews "Item Value"

See this example

B4X:
Dim retmap As Map
retmap.Initialize
retmap.Put("tag","TagValue"&i)
retmap.Put("itemID","ItemID"&i)
retmap.Put("name","ItemName"&i)
retmap.Put("line1","This is line 1")
retmap.Put("line2","This is line 2")
lv.AddTwoLines2(retmap.Get("line1"), retmap.Get("line2"), retmap)

B4X:
Sub lv_ItemClick (Position As Int, Value As Object)
    Dim retmap As Map
    retmap = Value
    Log("Item at Pos "&Position&" Clicked...")
    Log("ItemInfos:")
    Log("tag = "&retmap.Get("tag"))
    Log("itemID = "&retmap.Get("itemID"))
    Log("name = "&retmap.Get("name"))
    Log("line 1 = "&retmap.Get("line1"))
    Log("line 2 = "&retmap.Get("line2"))
End Sub
 

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  • listviewtest.zip
    7.5 KB · Views: 286
Last edited:

GMan

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Thx for the Sample, Manfred - i'll try.
the project couldnt be opened, because i am still using iDE 2.71.
(seems that i have to save some money for an update)
 

GMan

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Jepp, made the bal-file new
 

DAM

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Hello!
First of all, I'm sorry if I ask a question which was already answered, but I couldn't find.
I use Erel's example to make my own CustomListView with data from database. Everything is working fine but... the customlistview is not scrolling.
You can see in the picture that the last item is cut and it is not possible to scroll. What could be the problem??
Thanks a lot for your help!!

B4X:
scrollCimentacion.Initialize(200dip)
scrollCimentacion.Color=Colors.white
pan.AddView(scrollCimentacion,0%x, 8%y, 100%x, 100%y)    scrollCimentacion.Panel.LoadLayout("cimentacion")
If File.ExternalWritable = False Then
    sql1.Initialize(File.DirInternal, "ite.s3db", False)
Else
    sql1.Initialize(File.DirRootExternal, "ite.s3db", False)
End If
cursor1=sql1.ExecQuery("select nombre from elemento where id_padre=95")
clvcontencion.Initialize(Me, "clv2")
            pnlContencion.AddView(clvcontencion.AsView, 0, 0, pnlContencion.Width, pnlContencion.Height)
For i = 0 To cursor1.RowCount -1
    cursor1.Position=i         
clvcontencion.Add(CreateListItem(cursor1.GetString("nombre"), clvcontencion.AsView.Width, 50dip), 50dip, cursor1.GetString("nombre"))
Next       
scrollCimentacion.Panel.Height= 150%y


On the Designer the panel (pnlContencion) in which I add my customlistview is 280 height.
 

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  • Screenshot_2014-05-17-19-50-31.png
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DAM

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What is the purpose of scrollCimentacion?

Hello!
Sorry I didn't explain my self in a better way:
-I have a ViewPager and each page has a scrollview:

B4X:
Dim pan As Panel
        Select i
            Case 0
                pan= CreatePanel(CIMENTACION, "Cimentación")
                container.AddPage(pan,"Cimentación")
....

B4X:
Sub CreatePanel(PanelType As Int, Title As String) As Panel
    Dim pan As Panel
    Dim pi As PanelInfo
  
    pi.Initialize
    pi.LayoutLoaded = False
    pi.PanelType = PanelType

    pan.Initialize("")
    Select PanelType
        Case CIMENTACION
            scrollCimentacion.Initialize(400dip)
            scrollCimentacion.Color=Colors.white
            pan.AddView(scrollCimentacion,0%x, 8%y, 100%x, 100%y)
       scrollCimentacion.Panel.LoadLayout("cimentacion")

Etcetera (what I added yesterday)

I don't know why the customlistviews are not scrolling...
 

DAM

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I don't completely understand your code. Make sure that there is no transparent view over the CustomListView. If you are unable to solve it then please upload your project.

Thanks a lot, I wanted to upload my code but it is very large, so I paste here Dropbox link:
https://www.dropbox.com/s/sj4g9ykdj8tsspg/tecni_ite.zip

My apologies because it's not clean and it's not very good, still in progress.
The customlistviews are in "elementos" module.

(By the way, as you will see, each panel of the customlistview has a label, togglebutton and checkbox. I want to change the order, making: label + checkbox + togglebutton. When I do this, it happens an error, I attached a picture).

Thank you so so much for your help!!
Greetings
 

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  • error_cast.JPG
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DAM

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Yes, it is.
I see the point... So the solution could be to have a panel instead of a scrollview in the page, right? In that case, the problem could be that if the content doesn't fit in the panel (phone screen), user could not be able to scroll it


Thanks a lot for the time you spare on it!
 
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