Android : Add a Textview dynamically at the end of listview in android

I'm doing an android application which i need to combine two views in a single listview.(i.e). I've a listview with one custom view & one textview named as "ADD". If i click that textview, an dialog should open which gets some inputs from the user & those should be populated in the Custom listview like

item1 - Custom view with 3 values ADD

If again i click ADD textview, it should again gets values from user & should populate as item1 item2 ADD

It simply means, should add a textview at the end of each updated listview in android.How could i do that?Thanks in advance.