src/com/android/settings/MaintenanceSettings.java

package com.android.settings;

import android.os.Bundle;
import android.preference.PreferenceCategory;
import android.preference.PreferenceScreen;

/**
 * Activity with the maintenance settings.
 */
public class MaintenanceSettings extends SettingsPreferenceFragment {

    // Preference categories
    private static final String PROXIMITY_SENSOR_PREFERENCE_SCREEN =
            "proximity_sensor_settings";

    // Preference controls.
    private PreferenceScreen mProximitySensorPreferenceScreen;

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        addPreferencesFromResource(R.xml.maintenance_prefs);
    }
}