1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 package com.android.settings.location; 15 16 import android.content.Context; 17 import android.provider.Settings; 18 import android.support.v14.preference.SwitchPreference; 19 import android.support.v7.preference.Preference; 20 21 import com.android.settings.core.PreferenceControllerMixin; 22 import com.android.settingslib.core.AbstractPreferenceController; 23 24 public class WifiScanningPreferenceController extends AbstractPreferenceController 25 implements PreferenceControllerMixin { 26 27 private static final String KEY_WIFI_SCAN_ALWAYS_AVAILABLE = "wifi_always_scanning"; 28 WifiScanningPreferenceController(Context context)29 public WifiScanningPreferenceController(Context context) { 30 super(context); 31 } 32 33 @Override isAvailable()34 public boolean isAvailable() { 35 return true; 36 } 37 38 @Override getPreferenceKey()39 public String getPreferenceKey() { 40 return KEY_WIFI_SCAN_ALWAYS_AVAILABLE; 41 } 42 43 @Override updateState(Preference preference)44 public void updateState(Preference preference) { 45 ((SwitchPreference) preference).setChecked( 46 Settings.Global.getInt(mContext.getContentResolver(), 47 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1); 48 } 49 50 @Override handlePreferenceTreeClick(Preference preference)51 public boolean handlePreferenceTreeClick(Preference preference) { 52 if (KEY_WIFI_SCAN_ALWAYS_AVAILABLE.equals(preference.getKey())) { 53 Settings.Global.putInt(mContext.getContentResolver(), 54 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 55 ((SwitchPreference) preference).isChecked() ? 1 : 0); 56 return true; 57 } 58 return false; 59 } 60 } 61