@Override
 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
   if (key.equals(getString(R.string.contacts_show_accounts_key))) {
     changeGrouping();
   } else if (key.equals(getString(R.string.contacts_show_groups_key))) {
     changeGrouping();
   } else if (key.equals(getString(R.string.interface_theme_key))) {
     ActivityManager.getInstance().clearStack(true);
     startActivity(ContactList.createIntent(this));
   }
 }
  @Override
  public void onCreate(Bundle savedInstanceState) {
    if (Intent.ACTION_VIEW.equals(getIntent().getAction())
        || Intent.ACTION_SEND.equals(getIntent().getAction())
        || Intent.ACTION_SENDTO.equals(getIntent().getAction())
        || Intent.ACTION_CREATE_SHORTCUT.equals(getIntent().getAction())) {
      ActivityManager.getInstance().startNewTask(this);
    }
    super.onCreate(savedInstanceState);

    if (isFinishing()) {
      return;
    }

    setContentView(R.layout.contact_list);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_default);
    toolbar.setOnClickListener(this);

    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawerToggle =
        new ActionBarDrawerToggle(
            this,
            drawerLayout,
            toolbar,
            R.string.application_title_short,
            R.string.application_title_short);
    drawerLayout.setDrawerListener(drawerToggle);

    toolbar.inflateMenu(R.menu.contact_list);
    optionsMenu = toolbar.getMenu();
    setUpSearchView(optionsMenu);
    toolbar.setOnMenuItemClickListener(this);

    barPainter = new BarPainter(this, toolbar);
    barPainter.setDefaultColor();

    toolbar.setTitle(R.string.application_title_full);

    if (savedInstanceState != null) {
      sendText = savedInstanceState.getString(SAVED_SEND_TEXT);
      action = savedInstanceState.getString(SAVED_ACTION);
    } else {
      getSupportFragmentManager()
          .beginTransaction()
          .add(R.id.container, new ContactListFragment(), CONTACT_LIST_TAG)
          .commit();

      sendText = null;
      action = getIntent().getAction();
    }
    getIntent().setAction(null);
  }