Use a Toolbar as an Action Bar from Fragment

initToolbar

    private void initToolbar(View view) {
        mToolbar = (Toolbar) view.findViewById(R.id.toolbar);
        ((ActionBarActivity) getActivity()).setSupportActionBar(mToolbar);
        mToolbar.setTitle(getString(R.string.app_name));
        mToolbar.setTitleTextColor(getResources().getColor(android.R.color.white));
    }