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 import android.support.v14.preference.SwitchPreference; 22 import android.support.v7.preference.Preference; 23 24 import com.android.settings.core.PreferenceControllerMixin; 25 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 26 27 /** 28 * Base controller for Switch preference that maps to a specific value in Settings.System. 29 */ 30 public abstract class SystemSettingSwitchPreferenceController extends 31 DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, 32 PreferenceControllerMixin { 33 34 private static final int SETTING_VALUE_OFF = 0; 35 private static final int SETTING_VALUE_ON = 1; 36 37 private final String mSettingsKey; 38 SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey)39 public SystemSettingSwitchPreferenceController(Context context, String systemSettingsKey) { 40 super(context); 41 mSettingsKey = systemSettingsKey; 42 } 43 44 @Override onPreferenceChange(Preference preference, Object newValue)45 public boolean onPreferenceChange(Preference preference, Object newValue) { 46 final boolean isEnabled = (Boolean) newValue; 47 Settings.System.putInt(mContext.getContentResolver(), mSettingsKey, 48 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); 49 return true; 50 } 51 52 @Override updateState(Preference preference)53 public void updateState(Preference preference) { 54 final int mode = Settings.System.getInt( 55 mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF); 56 ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF); 57 } 58 59 @Override onDeveloperOptionsSwitchDisabled()60 protected void onDeveloperOptionsSwitchDisabled() { 61 super.onDeveloperOptionsSwitchDisabled(); 62 Settings.System.putInt(mContext.getContentResolver(), mSettingsKey, SETTING_VALUE_OFF); 63 ((SwitchPreference) mPreference).setChecked(false); 64 } 65 } 66