Code example for FragmentActivity

Methods: getActionBar

0
     * Set up the {@link android.app.ActionBar}, if the API is available. 
     */ 
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    private void setupActionBar() { 
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            getActionBar().setDisplayHomeAsUpEnabled(true); 
        } 
    } 
 
    @Override 
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                // This ID represents the Home or Up button. In the case of this 
                // activity, the Up button is shown. Use NavUtils to allow users 
                // to navigate up one level in the application structure. For 
                // more details, see the Navigation pattern on Android Design: 
                // 
                // http://developer.android.com/design/patterns/navigation.html#up-vs-back 
                // 
                NavUtils.navigateUpFromSameTask(this);