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 17 package android.net; 18 19 import android.annotation.DrawableRes; 20 import android.annotation.IntDef; 21 import android.annotation.IntRange; 22 import android.annotation.NonNull; 23 import android.annotation.Nullable; 24 import android.annotation.SystemApi; 25 import android.content.res.Resources; 26 import android.content.res.Resources.Theme; 27 import android.graphics.drawable.Drawable; 28 import android.graphics.drawable.LayerDrawable; 29 import android.net.wifi.WifiManager; 30 import android.view.View; 31 32 import java.lang.annotation.Retention; 33 import java.lang.annotation.RetentionPolicy; 34 35 /** 36 * Utility methods for working with network badging. 37 * 38 * @removed 39 * 40 */ 41 @Deprecated 42 public class NetworkBadging { 43 44 @IntDef({BADGING_NONE, BADGING_SD, BADGING_HD, BADGING_4K}) 45 @Retention(RetentionPolicy.SOURCE) 46 public @interface Badging {} 47 48 public static final int BADGING_NONE = 0; 49 public static final int BADGING_SD = 10; 50 public static final int BADGING_HD = 20; 51 public static final int BADGING_4K = 30; 52 53 private NetworkBadging() {} 54 55 /** 56 * Returns a Wi-Fi icon for a network with a given signal level and badging value. 57 * 58 * @param signalLevel The level returned by {@link WifiManager#calculateSignalLevel(int, int)} 59 * for a network. Must be between 0 and {@link WifiManager#RSSI_LEVELS}-1. 60 * @param badging {@see NetworkBadging#Badging}, retrieved from 61 * {@link ScoredNetwork#calculateBadge(int)}. 62 * @param theme The theme for the current application, may be null. 63 * @return Drawable for the given icon 64 * @throws IllegalArgumentException if {@code signalLevel} is out of range or {@code badging} 65 * is an invalid value 66 */ 67 @NonNull public static Drawable getWifiIcon( 68 @IntRange(from=0, to=4) int signalLevel, @Badging int badging, @Nullable Theme theme) { 69 return Resources.getSystem().getDrawable(getWifiSignalResource(signalLevel), theme); 70 } 71 72 /** 73 * Returns the wifi signal resource id for the given signal level. 74 * 75 * <p>This wifi signal resource is a wifi icon to be displayed by itself when there is no badge. 76 * 77 * @param signalLevel The level returned by {@link WifiManager#calculateSignalLevel(int, int)} 78 * for a network. Must be between 0 and {@link WifiManager#RSSI_LEVELS}-1. 79 * @return the @DrawableRes for the icon 80 * @throws IllegalArgumentException for an invalid signal level 81 * @hide 82 */ 83 @DrawableRes private static int getWifiSignalResource(int signalLevel) { 84 switch (signalLevel) { 85 case 0: 86 return com.android.internal.R.drawable.ic_wifi_signal_0; 87 case 1: 88 return com.android.internal.R.drawable.ic_wifi_signal_1; 89 case 2: 90 return com.android.internal.R.drawable.ic_wifi_signal_2; 91 case 3: 92 return com.android.internal.R.drawable.ic_wifi_signal_3; 93 case 4: 94 return com.android.internal.R.drawable.ic_wifi_signal_4; 95 default: 96 throw new IllegalArgumentException("Invalid signal level: " + signalLevel); 97 } 98 } 99 100 /** 101 * Returns the badged wifi signal resource id for the given signal level. 102 * 103 * <p>This badged wifi signal resource should be displayed with the quality badge retrieved 104 * from {@link #getWifiBadgeResource(int)}. If there is no badge, 105 * {@link #getWifiBadgeResource(int)} should be used instead of this method. 106 * 107 * @param signalLevel The level returned by {@link WifiManager#calculateSignalLevel(int, int)} 108 * for a network. Must be between 0 and {@link WifiManager#RSSI_LEVELS}-1. 109 * @return the @DrawableRes for the icon 110 * @throws IllegalArgumentException for an invalid signal level 111 * @hide 112 */ 113 @DrawableRes private static int getBadgedWifiSignalResource(int signalLevel) { 114 switch (signalLevel) { 115 case 0: 116 return com.android.internal.R.drawable.ic_signal_wifi_badged_0_bars; 117 case 1: 118 return com.android.internal.R.drawable.ic_signal_wifi_badged_1_bar; 119 case 2: 120 return com.android.internal.R.drawable.ic_signal_wifi_badged_2_bars; 121 case 3: 122 return com.android.internal.R.drawable.ic_signal_wifi_badged_3_bars; 123 case 4: 124 return com.android.internal.R.drawable.ic_signal_wifi_badged_4_bars; 125 default: 126 throw new IllegalArgumentException("Invalid signal level: " + signalLevel); 127 } 128 } 129 } 130
