/**
   * Shows the simplified settings UI if the device configuration dictates that a simplified,
   * single-pane UI should be shown.
   */
  @SuppressWarnings("deprecation")
  private void setupSimplePreferencesScreen() {
    if (!SettingsActivity.isSimplePreferences(this)) {
      return;
    }

    // In the simplified UI, fragments are not used at all and we instead
    // use the older PreferenceActivity APIs.

    // Add 'general' preferences.
    this.addPreferencesFromResource(R.xml.pref_general);

    // Add 'notifications' preferences, and a corresponding header.
    PreferenceCategory preferencesFakeHeader = new PreferenceCategory(this);
    preferencesFakeHeader.setTitle(R.string.pref_header_notifications);
    this.getPreferenceScreen().addPreference(preferencesFakeHeader);
    this.addPreferencesFromResource(R.xml.pref_notification);

    // Add 'Other' preferences, and a corresponding header.
    PreferenceCategory otherFakeHeader = new PreferenceCategory(this);
    otherFakeHeader.setTitle(R.string.pref_header_other);
    this.getPreferenceScreen().addPreference(otherFakeHeader);
    this.addPreferencesFromResource(R.xml.pref_other);

    // Bind the summaries of EditText/List/Dialog/Ringtone preferences to their values.
    // When their values change, their summaries are updated to reflect the new value, per the
    // Android Design guidelines.
    SettingsActivity.bindPreferenceSummaryToValue(
        this.findPreference(this.getString(R.string.pref_key_notifications_alarms_ringtone)));
  }
 /** {@inheritDoc} */
 @Override
 @TargetApi(Build.VERSION_CODES.HONEYCOMB)
 public void onBuildHeaders(List<PreferenceActivity.Header> target) {
   if (!SettingsActivity.isSimplePreferences(this)) {
     this.loadHeadersFromResource(R.xml.pref_headers, target);
   }
 }
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      this.addPreferencesFromResource(R.xml.pref_notification);

      // Bind the summaries of EditText/List/Dialog/Ringtone preferences to their values.
      // When their values change, their summaries are updated to reflect the new value, per the
      // Android Design guidelines.
      SettingsActivity.bindPreferenceSummaryToValue(
          this.findPreference(this.getString(R.string.pref_key_notifications_alarms_ringtone)));
    }
 /**
  * Determines whether the simplified settings UI should be shown. This is true if this is forced
  * via {@link #ALWAYS_SIMPLE_PREFS}, or the device doesn't have newer APIs like {@link
  * PreferenceFragment}, or the device doesn't have an extra-large screen. In these cases, a
  * single-pane "simplified" settings UI should be shown.
  */
 private static boolean isSimplePreferences(Context context) {
   return SettingsActivity.ALWAYS_SIMPLE_PREFS
       || Build.VERSION_CODES.HONEYCOMB > Build.VERSION.SDK_INT
       || !SettingsActivity.isXLargeTablet(context);
 }
 /** {@inheritDoc} */
 @Override
 public boolean onIsMultiPane() {
   return SettingsActivity.isXLargeTablet(this) && !SettingsActivity.isSimplePreferences(this);
 }