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Select and delete item from listview android studio
Select and delete item from listview android studio





select and delete item from listview android studio

Again, I'm just following the video.I'm deleting the ListView item and it works fine, except that the notifyDataSetChanged () method it is not working in my ListView and the item keeps popping up even after delete. My first rodeo with CLV's)Ģ) Modifying M圜LV.Add to include this custom typeģ) Modifying CreateListItem to include this custom typeĤ) Modifying both CreateListItem and CreateListItem to use B4XView objects (this was technically not necessary.

select and delete item from listview android studio

I'm just allowing for future expansion, and I'm following along with the video. The modifications I made to your code sample include:ġ) Adding a custom type that allows setting and retrieving of the second CLV (Technically could have just used a CustomListView object. It be really worthwhile to watch video on CLV (found here: ). This is a little tricky because you then need to know which CLV is the next one. How is the CLV supposed to know that an item belonging to it was removed? The issue is that when you "click" on an object of a nested CLV, you have to work yourself down to that CLV that is associated with the clicked object. Your removing the image view outside of the CLV. Wait For chooser_Result (Success As Boolean, Dir As String, FileName As String)Ĭlv.Add(CreateListItem2(LoadBitmapResize(Dir,FileName,100dip,100dip,True)),0) Sub Activity_Pause (UserClosed As Boolean)ĭim index As Int = M圜LV.GetItemFromView(Sender)

select and delete item from listview android studio

listview.SelectItem (-1, true ) // Select all the items listview.

select and delete item from listview android studio

Sub CreateListItem2(btm As Bitmap) As Panel To select or unselect all the items in the list view, use the SelectItem action with the Item parameter set to -1. Sub CreateListItem(Text As String) As Panel 'Do not forget to load the layout file created with the visual designer. Sub Activity_Create(FirstTime As Boolean) 'These variables can only be accessed from this module. 'These global variables will be redeclared each time the activity is created. 'These variables can be accessed from all modules. 'These global variables will be declared once when the application starts. 'SupportedOrientations possible values: unspecified, landscape or portrait.







Select and delete item from listview android studio