1 /* 2 * Copyright (C) 2016 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.display; 15 16 import android.content.Context; 17 import android.hardware.Sensor; 18 import android.hardware.SensorManager; 19 import android.provider.Settings; 20 import android.support.v14.preference.SwitchPreference; 21 import android.support.v7.preference.Preference; 22 23 import com.android.settings.core.PreferenceControllerMixin; 24 import com.android.settingslib.core.AbstractPreferenceController; 25 26 import static android.provider.Settings.Secure.WAKE_GESTURE_ENABLED; 27 28 public class LiftToWakePreferenceController extends AbstractPreferenceController implements 29 PreferenceControllerMixin, Preference.OnPreferenceChangeListener { 30 31 private static final String KEY_LIFT_TO_WAKE = "lift_to_wake"; 32 33 public LiftToWakePreferenceController(Context context) { 34 super(context); 35 } 36 37 @Override 38 public boolean isAvailable() { 39 SensorManager sensors = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE); 40 return sensors != null && sensors.getDefaultSensor(Sensor.TYPE_WAKE_GESTURE) != null; 41 } 42 43 @Override 44 public String getPreferenceKey() { 45 return KEY_LIFT_TO_WAKE; 46 } 47 48 @Override 49 public boolean onPreferenceChange(Preference preference, Object newValue) { 50 boolean value = (Boolean) newValue; 51 Settings.Secure.putInt(mContext.getContentResolver(), WAKE_GESTURE_ENABLED, value ? 1 : 0); 52 return true; 53 } 54 55 @Override 56 public void updateState(Preference preference) { 57 int value = Settings.Secure.getInt(mContext.getContentResolver(), WAKE_GESTURE_ENABLED, 0); 58 ((SwitchPreference) preference).setChecked(value != 0); 59 } 60 } 61
