public void OnPageSelected(int position)
{
// Unfortunately when TabHost changes the current tab, it kindly
// also takes care of putting focus on it when not in touch mode.
// The jerk.
// This hack tries to prevent this from pulling focus out of our
// ViewPager.
TabWidget widget = mTabHost.GetTabWidget();
int oldFocusability = widget.GetDescendantFocusability();
widget.SetDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
mTabHost.SetCurrentTab(position);
widget.SetDescendantFocusability(oldFocusability);
}