APP_Preferences_PreferencesFromCode

[PreferencesFromCode.java]

   @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        setPreferenceScreen(createPreferenceHierarchy());
    }

    private PreferenceScreen createPreferenceHierarchy() {
        PreferenceScreen root = getPreferenceManager().createPreferenceScreen(this);
       
        // Inline preferences
        PreferenceCategory inlinePrefCat = new PreferenceCategory(this);
        inlinePrefCat.setTitle(R.string.inline_preferences);
        root.addPreference(inlinePrefCat);
       
        // Toggle preference
        CheckBoxPreference togglePref = new CheckBoxPreference(this);
        togglePref.setKey("toggle_preference");
        togglePref.setTitle(R.string.title_toggle_preference);
        togglePref.setSummary(R.string.summary_toggle_preference);
        inlinePrefCat.addPreference(togglePref);
               
        // Dialog based preferences
        PreferenceCategory dialogBasedPrefCat = new PreferenceCategory(this);
        dialogBasedPrefCat.setTitle(R.string.dialog_based_preferences);
        root.addPreference(dialogBasedPrefCat);

        // Edit text preference
        EditTextPreference editTextPref = new EditTextPreference(this);
        editTextPref.setDialogTitle(R.string.dialog_title_edittext_preference);
        editTextPref.setKey("edittext_preference");
        editTextPref.setTitle(R.string.title_edittext_preference);
        editTextPref.setSummary(R.string.summary_edittext_preference);
        dialogBasedPrefCat.addPreference(editTextPref);
       
        // List preference
        ListPreference listPref = new ListPreference(this);
        listPref.setEntries(R.array.entries_list_preference);
        listPref.setEntryValues(R.array.entryvalues_list_preference);
        listPref.setDialogTitle(R.string.dialog_title_list_preference);
        listPref.setKey("list_preference");
        listPref.setTitle(R.string.title_list_preference);
        listPref.setSummary(R.string.summary_list_preference);
        dialogBasedPrefCat.addPreference(listPref);
       
        // Launch preferences
        PreferenceCategory launchPrefCat = new PreferenceCategory(this);
        launchPrefCat.setTitle(R.string.launch_preferences);
        root.addPreference(launchPrefCat);

        // Screen preference
        PreferenceScreen screenPref = getPreferenceManager().createPreferenceScreen(this);
        screenPref.setKey("screen_preference");
        screenPref.setTitle(R.string.title_screen_preference);
        screenPref.setSummary(R.string.summary_screen_preference);
        launchPrefCat.addPreference(screenPref);
               
        // Example of next screen toggle preference
        CheckBoxPreference nextScreenCheckBoxPref = new CheckBoxPreference(this);
        nextScreenCheckBoxPref.setKey("next_screen_toggle_preference");
        nextScreenCheckBoxPref.setTitle(R.string.title_next_screen_toggle_preference);
        nextScreenCheckBoxPref.setSummary(R.string.summary_next_screen_toggle_preference);
        screenPref.addPreference(nextScreenCheckBoxPref);
       
        // Intent preference
        PreferenceScreen intentPref = getPreferenceManager().createPreferenceScreen(this);
        intentPref.setIntent(new Intent().setAction(Intent.ACTION_VIEW)
                .setData(Uri.parse("http://www.android.com")));
        intentPref.setTitle(R.string.title_intent_preference);
        intentPref.setSummary(R.string.summary_intent_preference);
        launchPrefCat.addPreference(intentPref);
       
        // Preference attributes
        PreferenceCategory prefAttrsCat = new PreferenceCategory(this);
        prefAttrsCat.setTitle(R.string.preference_attributes);
        root.addPreference(prefAttrsCat);
       
        // Visual parent toggle preference
        CheckBoxPreference parentCheckBoxPref = new CheckBoxPreference(this);
        parentCheckBoxPref.setTitle(R.string.title_parent_preference);
        parentCheckBoxPref.setSummary(R.string.summary_parent_preference);
        prefAttrsCat.addPreference(parentCheckBoxPref);
       
        // Visual child toggle preference
        // See res/values/attrs.xml for the <declare-styleable> that defines
        // TogglePrefAttrs.
        TypedArray a = obtainStyledAttributes(R.styleable.TogglePrefAttrs);
        CheckBoxPreference childCheckBoxPref = new CheckBoxPreference(this);
        childCheckBoxPref.setTitle(R.string.title_child_preference);
        childCheckBoxPref.setSummary(R.string.summary_child_preference);
        childCheckBoxPref.setLayoutResource(
                a.getResourceId(R.styleable.TogglePrefAttrs_android_preferenceLayoutChild,
                        0));
        prefAttrsCat.addPreference(childCheckBoxPref);
        a.recycle();
       
        return root;
    }
}

[attrs.xml]

<resources>
    <declare-styleable name="TogglePrefAttrs">
        <attr name="android:preferenceLayoutChild" />
    </declare-styleable>
</resources>