i am getting thumbnail from an url and displaying in listview
i may get more than 30 images or so at a time while geting
these thumbnail screen goes black instead of that i want to
display progress bar

i have checked topics related to progress bar but it is not working for me

i have used this code

myProgressDialog = ProgressDialog.show(TestLayout.this,
"Please wait...", "Doing Extreme Calculations...", true);

new Thread() {
....
....

it is displaying progress bar replacing the black screen but in the listview
the thumbnails r added later when ie i do scrolling only and some images r missing

pls can anyone help me to sort out this problem
thanks

We need to see your code, to search the problem

hai friend
is it possible to add horizontal prograss bar?
if so pls send some links or code for it??