listView dynamic add item

Question

I used ListView to dynamic add item,but there is a problem about not Smooth add. there are textView and button in my listActivity,Iwant to Press button ,then

Answer 1

I use a thread to add more data to my list in background and then notifydatasetchange, It work successfully

Here are complete code : http://code.google.com/p/dynamic-listview/source/checkout