private void selectMenuSection(int position) {
Section section = menuAdapter.getItem(position);
if (section != currentSection) {
// Switch to new section
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
Fragment f = fm.findFragmentById(R.id.content);
if (f != null) {
if (currentSection.shouldKeep()) {
ft.detach(f);
} else {
ft.remove(f);
}
}
String fragmentClassName = section.getFragmentClassName();
if (section.shouldKeep() && ((f = fm.findFragmentByTag(fragmentClassName)) != null)) {
ft.attach(f);
} else {
f = Fragment.instantiate(MainActivity.this, fragmentClassName);
ft.add(R.id.content, f, fragmentClassName);
}
ft.commit();
currentSection = section;
updateActionBar();
menuAdapter.notifyDataSetChanged();
}
}
