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 15 package com.android.settings.datausage; 16 17 import android.content.Context; 18 import android.support.v7.preference.Preference; 19 import android.util.AttributeSet; 20 import com.android.settings.R; 21 22 public class DataSaverPreference extends Preference implements DataSaverBackend.Listener { 23 24 private final DataSaverBackend mDataSaverBackend; 25 26 public DataSaverPreference(Context context, AttributeSet attrs) { 27 super(context, attrs); 28 mDataSaverBackend = new DataSaverBackend(context); 29 } 30 31 @Override 32 public void onAttached() { 33 super.onAttached(); 34 mDataSaverBackend.addListener(this); 35 } 36 37 @Override 38 public void onDetached() { 39 super.onDetached(); 40 mDataSaverBackend.addListener(this); 41 } 42 43 @Override 44 public void onDataSaverChanged(boolean isDataSaving) { 45 setSummary(isDataSaving ? R.string.data_saver_on : R.string.data_saver_off); 46 } 47 48 @Override 49 public void onWhitelistStatusChanged(int uid, boolean isWhitelisted) { 50 } 51 52 @Override 53 public void onBlacklistStatusChanged(int uid, boolean isBlacklisted) { 54 } 55 } 56
