If foo is a view, what is the difference between foo.setVisibility(View.GONE) and fooParent.removeView(foo)? I am particularly interested in memory consumption of the view, before and after both statements.
Does a view with visibility set to GONE consume memory ?
If you need to remove them and then show them again, it could be better to just set visibility to gone and then change back to visible again.
If you on the other hand don't need them visible again, simply remove them.