1. Lecture 8 the Preference Menu

2. Settings... Sudoku settings s Music Play background music Hints Show hints during play We add some strings to the strings.xml file in the values folder. These will be used in the Settings... menu.

3. right-click the menu folder, choose New->File name the new file menu.xml and insert the following xml code... <item android:id="@+id/settings" android:title="@string/settings_label" android:alphabeticShortcut="@string/settings_shortcut" /> menu.xml

4. Creating a new sub-Folder in the Resources (res) Folder <item android:id="@+id/settings" android:title="@string/settings_label" android:alphabeticShortcut="@string/settings_shortcut" />

5. @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.sudoku, menu); return true; } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu, menu); return true; } Modifying the onCreateOptionsMenu( ) Method In the Sudoku.java class, there is boolean method called onCreateOptionsMenu( ) as shown here. we modify this method in the following manner... getMenuInflater( ) returns an instance of MenuInflater that we use to read the menu definition from XML and turns it into a real view.

6. Registering the settings Activity in the Manifest

7. Example Run: Preference Menu