Merge "setSelectedHeader() when switching to fragment"

     * @param args Optional arguments to supply to the fragment.

     */

    public void switchToHeader(String fragmentName, Bundle args) {

        setSelectedHeader(null);

        Header selectedHeader = null;

        for (int i = 0; i < mHeaders.size(); i++) {

            if (fragmentName.equals(mHeaders.get(i).fragment)) {

                selectedHeader = mHeaders.get(i);

                break;

            }

        }

        setSelectedHeader(selectedHeader);

        switchToHeaderInner(fragmentName, args);

    }