Resizing listview's individual item height according to their content

walterf25 · May 18, 2013

Hello All, I need to find a solution to my problem, I'm working with an app requires a listview.
I need to set the itemheight of each item according to the text, sometimes I will have a short string and others i will have a long string, so i need to resize the item height accordingly.
I've tried Erel's Custom Listivew and it works great, but it has some issues and i don't have the time to figure out how to fix them, is there a way to use the listview that comes with the core library, and be able to change the itemheight as well.

Thanks All
Walter

Harris · May 18, 2013

Listviews work wonderfully with short text.
I have fooled around with measuring the text length and trying to adjust the height with varying results - most unsatisfactory.

So now I just set the height to my expected max. Short text leaves alot of white space, long fills the view nicely (example below).

You could always purchase the UtimateListView from Informatix: It likely handles this and SO MUCH more...
http://www.b4x.com/forum/additional...es/22736-lib-chargeable-ultimatelistview.html

*** It just made Senior status with this post - but I am only 55 this coming June... (and don't see the "freedom" in it)

B4X:

Sub Activity_Create(FirstTime As Boolean)
 
   Activity.LoadLayout("SetAll")
   
   Panel1.SetLayout(0, 0, 100%x, 100%y)
   LV1.SetLayout(0, 0, 100%x, 100%y)
   LV1.ScrollingBackgroundColor = Colors.Transparent ' need this to avoid the ugly black background when scrolling
   Dim lb, lbl1,lbl As Label


   lb = LV1.SingleLineLayout.Label
    lb.Color = Colors.ARGB(140,90,90,120)
    lb.TextColor = Colors.ARGB(240,180,180,20)
    LV1.SingleLineLayout.ItemHeight = 30dip ' small height group label
   
   lbl = LV1.TwoLinesAndBitmap.Label
   lbl.TextColor = Colors.White
   
   
   lbl1 = LV1.TwoLinesAndBitmap.SecondLabel

    LV1.TwoLinesAndBitmap.SecondLabel.Width  = LV1.Width - 50dip
' the above line prevents the text displaying out of view.  Allows text to wrap within the view   

lbl1.TextColor = Colors.ARGB(240,190,180,0)

    If DefCM.GetDevicePhysicalSize < 6 Then    ' if phone
       LV1.TwoLinesAndBitmap.ItemHeight = 70dip ' set item height and text size
      lbl.TextSize = 18
      lbl1.TextSize = 14

   Else  ' if tablet
       LV1.TwoLinesAndBitmap.ItemHeight = 80dip
      lbl.TextSize = 24
      lbl1.TextSize = 18
   
   End If
   
   
   
   AddLVItems
 
End Sub

Resizing listview's individual item height according to their content

walterf25

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Harris

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Resizing listview's individual item height according to their content

walterf25

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Harris

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