1 /* 2 * Copyright (C) 2017 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.annotation.VisibleForTesting; 23 import androidx.preference.Preference; 24 import androidx.preference.SwitchPreference; 25 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 28 29 public class MobileDataAlwaysOnPreferenceController extends 30 DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, 31 PreferenceControllerMixin { 32 33 private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on"; 34 35 @VisibleForTesting 36 static final int SETTING_VALUE_ON = 1; 37 @VisibleForTesting 38 static final int SETTING_VALUE_OFF = 0; 39 MobileDataAlwaysOnPreferenceController(Context context)40 public MobileDataAlwaysOnPreferenceController(Context context) { 41 super(context); 42 } 43 44 @Override getPreferenceKey()45 public String getPreferenceKey() { 46 return MOBILE_DATA_ALWAYS_ON; 47 } 48 49 @Override onPreferenceChange(Preference preference, Object newValue)50 public boolean onPreferenceChange(Preference preference, Object newValue) { 51 final boolean isEnabled = (Boolean) newValue; 52 Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.MOBILE_DATA_ALWAYS_ON, 53 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); 54 return true; 55 } 56 57 @Override updateState(Preference preference)58 public void updateState(Preference preference) { 59 final int mobileDataAlwaysOnMode = Settings.Global.getInt(mContext.getContentResolver(), 60 Settings.Global.MOBILE_DATA_ALWAYS_ON, SETTING_VALUE_ON); 61 62 ((SwitchPreference) mPreference).setChecked(mobileDataAlwaysOnMode != SETTING_VALUE_OFF); 63 } 64 65 @Override onDeveloperOptionsSwitchDisabled()66 protected void onDeveloperOptionsSwitchDisabled() { 67 super.onDeveloperOptionsSwitchDisabled(); 68 Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.MOBILE_DATA_ALWAYS_ON, 69 SETTING_VALUE_ON); 70 ((SwitchPreference) mPreference).setChecked(true); 71 } 72 } 73