1 /* 2 * Copyright (C) 2020 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 17 package com.android.settings.development; 18 19 import android.content.Context; 20 import android.provider.Settings; 21 22 import androidx.preference.Preference; 23 import androidx.preference.SwitchPreference; 24 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 27 28 /** 29 * Developer option controller for enhanced MAC randomization. 30 */ 31 public class WifiEnhancedMacRandomizationPreferenceController 32 extends DeveloperOptionsPreferenceController 33 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 34 private static final String WIFI_ENHANCED_MAC_RANDOMIZATION_KEY = 35 "wifi_enhanced_mac_randomization"; 36 private static final String ENHANCED_MAC_RANDOMIZATION_FEATURE_FLAG = 37 "enhanced_mac_randomization_force_enabled"; 38 WifiEnhancedMacRandomizationPreferenceController(Context context)39 public WifiEnhancedMacRandomizationPreferenceController(Context context) { 40 super(context); 41 } 42 43 @Override getPreferenceKey()44 public String getPreferenceKey() { 45 return WIFI_ENHANCED_MAC_RANDOMIZATION_KEY; 46 } 47 48 @Override onPreferenceChange(Preference preference, Object newValue)49 public boolean onPreferenceChange(Preference preference, Object newValue) { 50 int isEnabledInt = ((Boolean) newValue) ? 1 : 0; 51 Settings.Global.putInt(mContext.getContentResolver(), 52 ENHANCED_MAC_RANDOMIZATION_FEATURE_FLAG, isEnabledInt); 53 return true; 54 } 55 56 @Override updateState(Preference preference)57 public void updateState(Preference preference) { 58 boolean enabled = false; 59 if (Settings.Global.getInt(mContext.getContentResolver(), 60 ENHANCED_MAC_RANDOMIZATION_FEATURE_FLAG, 0) == 1) { 61 enabled = true; 62 } 63 ((SwitchPreference) mPreference).setChecked(enabled); 64 } 65 66 @Override onDeveloperOptionsSwitchDisabled()67 protected void onDeveloperOptionsSwitchDisabled() { 68 super.onDeveloperOptionsSwitchDisabled(); 69 Settings.Global.putInt(mContext.getContentResolver(), 70 ENHANCED_MAC_RANDOMIZATION_FEATURE_FLAG, 0); 71 ((SwitchPreference) mPreference).setChecked(false); 72 } 73 } 74