Android Question UltimateListView Dynamic List Creation

[AndroidMadhu]

Hello,
While creating dymanic items in ultimateListview I am getting error as below :

Error occurred on line: 61 (Main)
Caused by: java.lang.ArrayIndexOutOfBoundsException: length=10; index=12
    at java.util.Arrays$ArrayList.get(Arrays.java:3769)
    at anywheresoftware.b4a.objects.collections.List.Get(List.java:117)
    at b4a.example.main._ulv_contectfill(main.java:438)

The below is my code:

#Region  Project Attributes
    #ApplicationLabel: B4A Example
    #VersionCode: 1
    #VersionName:
    'SupportedOrientations possible values: unspecified, landscape or portrait.
    #SupportedOrientations: unspecified
    #CanInstallToExternalStorage: False
#End Region

#Region  Activity Attributes
    #FullScreen: False
    #IncludeTitle: True
#End Region

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.

End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.
Dim mylist As List
    Private Pnl As Panel
    Private ULV As UltimateListView
    Dim mylist As List
    Dim itemheight As Int=60dip
    Dim Somearray(10) As String
    Dim lbl As Label
End Sub

Sub Activity_Create(FirstTime As Boolean)
    'Do not forget to load the layout file created with the visual designer. For example:
    Activity.LoadLayout("1")
    mylist.Initialize2(Somearray)
    'Add the ULV Add view
    ULV.AddLayout("MyList","ULV_Layoutcallback","ULV_ContectFill",itemheight,True)
    'For loop to dynamically create the item
    For i=0 To mylist.Size
        ULV.BulkAddItems(mylist.Size,"MyList",0)
    Next
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub


Sub ULV_Layoutcallback(LayoutName As String, LayoutPanel As Panel)
    lbl.Initialize("")
    lbl.TextColor=Colors.Black
    LayoutPanel.AddView(lbl,20,0, LayoutPanel.Width,LayoutPanel.Height)
End Sub

Sub ULV_ContectFill(ItemID As Long, LayoutName As String, LayoutPanel As Panel, Position As Int)
    lbl.Text=mylist.Get(Position)
End Sub

Please advice

 

[DonManfred]

the list/array is 10 items long but you try to access index 12

 

[AndroidMadhu]

the list/array is 10 items long but you try to access index 12

That is what.. I am not getting where I am wrong and trying to access index 12.

 

[OliverA]

For i=0 To mylist.Size ULV.BulkAddItems(mylist.Size,"MyList",0) Next

Up front: I have no clue how to use ULV
This though looks like you are adding mylist.Size * mylist.Size items to the list (in your case 100). I think the code should just be

ULV.BulkAddItems(mylist.Size,"MyList",0)

without the for/next[/code]

 

[AndroidMadhu]

Error has gone... but nothing is showing in the list.
please advice......

 

[OliverA]

Dim Somearray(10) As String

This is an empty array. Since nothing is in it, nothing is displayed.

 

[AndroidMadhu]

Yes.... I got it... but if I want to push the value I need to run for loop to put the value within the array.
I am not able to push the value within the array.
How do I achieve this??? Plz advice

 

[OliverA]

but if I want to push the value I need to run for loop to put the value within the array.
I am not able to push the value within the array.

This for loop

    For i=0 To mylist.Size
        ULV.BulkAddItems(mylist.Size,"MyList",0)
    Next

had nothing to do with putting values into the array Somearray. Either do a

Somearray = Array As String ("One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten")

before

mylist.Initialize2(Somearray)

Are don't use the array and do something like

mylist.initialize
'Now write some code to add your items to the mylist list
'Maybe code that reads from a database, or pulls stuff from the web, or reads a local text file for values

 

[AndroidMadhu]

Are don't use the array and do something like

Yes.. I am searching for this option only...

mylist.Initialize()

initializes empty list.
Confused as how to dynamically put the values in mylist using Loop.
Any advice will e helpful.