ExpandableListView with seekbar doesn't expand

Question

I've made a custom BaseExpandableListAdapter. I'm trying to display a seekbar on some (not all) group views. To do this, I'm inflating a custom layout with a seekbar in it wich I hide/unhide depending on the group. The problem is that these group views WITH VISIBLE seekbar doesn't expand. The ones with HIDDEN seekbar do expand. All group views have children.

This is my getGroupView

public View getGroupView(int groupPosition, boolean isExpanded, View convertView,     ViewGroup parent) {
  if(convertView == null) {
      convertView = inflater.inflate(com.voy.sima.R.layout.itemcomplejo,     parent, false);
  }

  Complejo entry = (Complejo)getGroup(groupPosition);
  SeekBar sbDesarrollo = (SeekBar) convertView.findViewById(R.id.sbDesarrollo);
  sbDesarrollo.setVisibility(View.INVISIBLE);
  if(entry.getId() == 2) {
     sbDesarrollo.setVisibility(View.VISIBLE);
  }
}

What am I missing? I'm sure it's something silly but it's driving me crazy.

Answer 1

I've figured it out. Adding sbDesarrollo.setFocusable(false); did the trick.

public View getGroupView(int groupPosition, boolean isExpanded, View convertView,     ViewGroup parent) {
if(convertView == null) {
  convertView = inflater.inflate(com.voy.sima.R.layout.itemcomplejo,     parent, false);
}

Complejo entry = (Complejo)getGroup(groupPosition);
SeekBar sbDesarrollo = (SeekBar) convertView.findViewById(R.id.sbDesarrollo);
sbDesarrollo.setVisibility(View.INVISIBLE);
if(entry.getId() == 2) {
   sbDesarrollo.setVisibility(View.VISIBLE);
   sbDesarrollo.setFocusable(false);
}
}

Answer 2

There is open source project from Google android developer for expanding Listview with animation. Here is the link: http://developer.android.com/shareables/devbytes/ListViewExpandingCells.zip

And this is an explanation on YouTube of this project.

I hope this could help you ..