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 static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE; 17 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC; 18 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL; 19 20 import android.content.Context; 21 import android.provider.Settings; 22 23 import com.android.settings.R; 24 import com.android.settings.core.TogglePreferenceController; 25 26 27 public class AutoBrightnessPreferenceController extends TogglePreferenceController { 28 29 private final String SYSTEM_KEY = SCREEN_BRIGHTNESS_MODE; 30 private final int DEFAULT_VALUE = SCREEN_BRIGHTNESS_MODE_MANUAL; 31 AutoBrightnessPreferenceController(Context context, String key)32 public AutoBrightnessPreferenceController(Context context, String key) { 33 super(context, key); 34 } 35 36 @Override isChecked()37 public boolean isChecked() { 38 return Settings.System.getInt(mContext.getContentResolver(), 39 SYSTEM_KEY, DEFAULT_VALUE) != DEFAULT_VALUE; 40 } 41 42 @Override setChecked(boolean isChecked)43 public boolean setChecked(boolean isChecked) { 44 Settings.System.putInt(mContext.getContentResolver(), SYSTEM_KEY, 45 isChecked ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : DEFAULT_VALUE); 46 return true; 47 } 48 49 @Override 50 @AvailabilityStatus getAvailabilityStatus()51 public int getAvailabilityStatus() { 52 return mContext.getResources().getBoolean( 53 com.android.internal.R.bool.config_automatic_brightness_available) 54 ? AVAILABLE_UNSEARCHABLE 55 : UNSUPPORTED_ON_DEVICE; 56 } 57 58 @Override getSummary()59 public CharSequence getSummary() { 60 return mContext.getText(isChecked() 61 ? R.string.auto_brightness_summary_on 62 : R.string.auto_brightness_summary_off); 63 } 64 } 65