1 /* 2 * Copyright (C) 2017 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 package com.android.networkrecommendation.util; 17 18 import android.content.res.Resources.Theme; 19 import android.graphics.drawable.Drawable; 20 import android.net.NetworkBadging; 21 import android.net.RssiCurve; 22 import android.net.ScoredNetwork; 23 import android.net.wifi.WifiConfiguration; 24 import android.net.wifi.WifiManager; 25 import android.os.Bundle; 26 import android.os.UserManager; 27 import android.support.annotation.VisibleForTesting; 28 29 /** 30 * This class provides access to @SystemApi methods that were added in Android O and not yet 31 * available in using the --config robo_experimental configuration when testing. 32 */ 33 public class RoboCompatUtil { 34 35 /** 36 * {@link UserManager#ACTION_USER_RESTRICTIONS_CHANGED}. TODO: remove when string is available 37 * in experimental. 38 */ 39 public static final String ACTION_USER_RESTRICTIONS_CHANGED = 40 "android.os.action.USER_RESTRICTIONS_CHANGED"; 41 42 private static RoboCompatUtil mRoboCompatUtil; 43 44 private RoboCompatUtil() {} 45 46 /** Get a shared instance of this utility. */ 47 public static synchronized RoboCompatUtil getInstance() { 48 if (mRoboCompatUtil == null) { 49 mRoboCompatUtil = new RoboCompatUtil(); 50 } 51 return mRoboCompatUtil; 52 } 53 54 @VisibleForTesting 55 public static void setInstanceForTesting(RoboCompatUtil roboCompatUtil) { 56 mRoboCompatUtil = roboCompatUtil; 57 } 58 59 /** Wraps WifiManager.connect. */ 60 public void connectToWifi(WifiManager wifiManager, WifiConfiguration wifiConfiguration) { 61 wifiManager.connect(wifiConfiguration, null /* actionListener */); 62 } 63 64 /** Wraps WifiConfiguration.hasNoInternetAccess. */ 65 @SuppressWarnings("unchecked") 66 public boolean hasNoInternetAccess(WifiConfiguration wifiConfiguration) { 67 return wifiConfiguration.hasNoInternetAccess(); 68 } 69 70 /** Wraps WifiConfiguration.isNoInternetAccessExpected. */ 71 public boolean isNoInternetAccessExpected(WifiConfiguration wifiConfiguration) { 72 return wifiConfiguration.isNoInternetAccessExpected(); 73 } 74 75 /** Wraps WifiConfiguration.useExternalScores. */ 76 public boolean useExternalScores(WifiConfiguration wifiConfiguration) { 77 return wifiConfiguration.useExternalScores; 78 } 79 80 /** Wraps WifiConfiguration.isPasspoint. */ 81 public boolean isPasspoint(WifiConfiguration wifiConfiguration) { 82 return wifiConfiguration.isPasspoint(); 83 } 84 85 /** Wraps NetworkBadging.getWifiIcon. */ 86 public Drawable getWifiIcon(int signalLevel, int badging, Theme theme) { 87 return NetworkBadging.getWifiIcon(signalLevel, badging, theme); 88 } 89 90 /** Wraps RssiCurve.activeNetworkRssiBoost. */ 91 public int activeNetworkRssiBoost(RssiCurve curve) { 92 return curve.activeNetworkRssiBoost; 93 } 94 95 /** Wraps ScoredNetwork.attributes. */ 96 public Bundle attributes(ScoredNetwork scoredNetwork) { 97 return scoredNetwork.attributes; 98 } 99 } 100