1 /* 2 * Copyright (C) 2018 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 * Base controller for Switch preference that maps to a specific value in Settings.System. 30 */ 31 public abstract class SystemSettingSwitchPreferenceController extends 32 DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, 33 PreferenceControllerMixin { 34 35 private static final int SETTING_VALUE_OFF = 0; 36 private static final int SETTING_VALUE_ON = 1; 37 38 private final String mSettingsKey; 39 SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey)40 public SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey) { 41 super(context); 42 mSettingsKey = systemSettingsKey; 43 } 44 45 @Override onPreferenceChange(Preference preference, Object newValue)46 public boolean onPreferenceChange(Preference preference, Object newValue) { 47 final boolean isEnabled = (Boolean) newValue; 48 Settings.System.putInt(mContext.getContentResolver(), mSettingsKey, 49 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); 50 return true; 51 } 52 53 @Override updateState(Preference preference)54 public void updateState(Preference preference) { 55 final int mode = Settings.System.getInt( 56 mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF); 57 ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF); 58 } 59 60 @Override onDeveloperOptionsSwitchDisabled()61 protected void onDeveloperOptionsSwitchDisabled() { 62 super.onDeveloperOptionsSwitchDisabled(); 63 Settings.System.putInt(mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF); 64 ((SwitchPreference) mPreference).setChecked(false); 65 } 66 } 67