APP_Menu_InflateFromXML

[InflateFromXML.java]

   private static final int sMenuExampleResources[] = {
        R.menu.title_only, R.menu.title_icon, R.menu.submenu, R.menu.groups,
        R.menu.checkable, R.menu.shortcuts, R.menu.order, R.menu.category_order,
        R.menu.visible, R.menu.disabled
    };
   
     private static final String sMenuExampleNames[] = {
        "Title only", "Title and Icon", "Submenu", "Groups",
        "Checkable", "Shortcuts", "Order", "Category and Order",
        "Visible", "Disabled"
    };
   
    private Spinner mSpinner;
    private TextView mInstructionsText;
    private Menu mMenu;
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        LinearLayout layout = new LinearLayout(this);
        layout.setOrientation(LinearLayout.VERTICAL);
       
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, sMenuExampleNames);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        mSpinner = new Spinner(this);

        mSpinner.setId(R.id.spinner);
        mSpinner.setAdapter(adapter);
       
        layout.addView(mSpinner,
                new LinearLayout.LayoutParams(
                        LinearLayout.LayoutParams.FILL_PARENT,
                        LinearLayout.LayoutParams.WRAP_CONTENT));

        mInstructionsText = new TextView(this);
        mInstructionsText.setText(getResources().getString(
                R.string.menu_from_xml_instructions_press_menu));
       
        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.FILL_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT);
        lp.setMargins(10, 10, 10, 10);
        layout.addView(mInstructionsText, lp);
       
        setContentView(layout);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        mMenu = menu;
       
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(sMenuExampleResources[mSpinner.getSelectedItemPosition()], menu);
       
        mSpinner.setEnabled(false);
       
        mInstructionsText.setText(getResources().getString(
                R.string.menu_from_xml_instructions_go_back));
       
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.jump:
                Toast.makeText(this, "Jump up in the air!", Toast.LENGTH_SHORT).show();
                return true;

            case R.id.dive:
                Toast.makeText(this, "Dive into the water!", Toast.LENGTH_SHORT).show();
                return true;

            case R.id.browser_visibility:
                final boolean shouldShowBrowser = !mMenu.findItem(R.id.refresh).isVisible();
                mMenu.setGroupVisible(R.id.browser, shouldShowBrowser);
                break;
               
            case R.id.email_visibility:
                final boolean shouldShowEmail = !mMenu.findItem(R.id.reply).isVisible();
                mMenu.setGroupVisible(R.id.email, shouldShowEmail);
                break;
               
            default:
                if (!item.hasSubMenu()) {
                    Toast.makeText(this, item.getTitle(), Toast.LENGTH_SHORT).show();
                    return true;
                }
                break;
        }
       
        return false;
    }