1 /* 2 * Copyright 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.location; 17 18 import android.content.Context; 19 import android.net.wifi.WifiManager; 20 import android.os.UserManager; 21 22 import androidx.preference.Preference; 23 24 import com.android.settings.R; 25 import com.android.settings.core.BasePreferenceController; 26 import com.android.settingslib.RestrictedPreference; 27 28 /** 29 * Preference controller for Wi-Fi scanning in Location Services. 30 */ 31 public class LocationServicesWifiScanningPreferenceController extends BasePreferenceController { 32 33 private final WifiManager mWifiManager; 34 LocationServicesWifiScanningPreferenceController(Context context, String key)35 public LocationServicesWifiScanningPreferenceController(Context context, String key) { 36 super(context, key); 37 mWifiManager = context.getSystemService(WifiManager.class); 38 } 39 40 @Override updateState(Preference preference)41 public void updateState(Preference preference) { 42 ((RestrictedPreference) preference).checkRestrictionAndSetDisabled( 43 UserManager.DISALLOW_CONFIG_LOCATION); 44 refreshSummary(preference); 45 } 46 47 @Override getSummary()48 public CharSequence getSummary() { 49 final boolean wifiScanOn = mWifiManager.isScanAlwaysAvailable(); 50 int resId = 51 wifiScanOn ? R.string.scanning_status_text_on : R.string.scanning_status_text_off; 52 return mContext.getString(resId); 53 } 54 55 @AvailabilityStatus getAvailabilityStatus()56 public int getAvailabilityStatus() { 57 return mContext.getResources().getBoolean(R.bool.config_show_location_scanning) 58 ? AVAILABLE 59 : UNSUPPORTED_ON_DEVICE; 60 } 61 } 62