Here is my activity on create
  @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    // set subtitle if there is a filter
    toolbar.setSubtitle(MySharedPref.getStringTitile(this));
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
            this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
    drawer.setDrawerListener(toggle);
    toggle.syncState();
    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    navigationView.setNavigationItemSelectedListener(this);
    getSupportFragmentManager().beginTransaction()
            .replace(R.id.fragment_container, RealtyListFragment.newInstance("test", "test"))
            .addToBackStack(null)
            .commit();
}
And then in onOptionsItemSelected i got nothing when i hit HOME/up button.
 Log.d("!!!!!!!!!YEP","YEP");
    int id = item.getItemId();
    //noinspection SimplifiableIfStatement
    if (id == R.id.action_search) {
        FilterDialogFragment dialogFragment = new FilterDialogFragment();
        dialogFragment.show(getSupportFragmentManager(), "dialog");
        return true;
    }
    if (item.getItemId() == android.R.id.home) {
        Log.d("!!!!!","Home pressed");
    }
    return super.onOptionsItemSelected(item);
And in my way this does not help at all.
@Override
public boolean onOptionsItemSelected(MenuItem menuItem) { if (menuItem.getItemId() == android.R.id.home) { Timber.d("Home pressed"); } return super.onOptionsItemSelected(menuItem); }