getActionView總是返回null: public boolean onNavigationItemSelected(MenuItem item) {
item.getActionView().setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean o
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_create: //run NoteActivity in new note mode
startActivity(new Intent(thi