1dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson/* 2dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * Copyright (C) 2014 The Android Open Source Project 3dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 4dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * Licensed under the Apache License, Version 2.0 (the "License"); 5dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * you may not use this file except in compliance with the License. 6dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * You may obtain a copy of the License at 7dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 8dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * http://www.apache.org/licenses/LICENSE-2.0 9dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 10dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * Unless required by applicable law or agreed to in writing, software 11dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * distributed under the License is distributed on an "AS IS" BASIS, 12dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * See the License for the specific language governing permissions and 14dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * limitations under the License 15dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson */ 16dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 17dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidsonpackage android.net; 18dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 197be8e9725f4a60f0d1a6cb175a05a320968d7439Jeff Davidsonimport android.annotation.SystemApi; 20dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidsonimport android.os.Parcel; 21dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidsonimport android.os.Parcelable; 22dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 236a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidsonimport java.util.Arrays; 246a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidsonimport java.util.Objects; 256a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson 26dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson/** 27dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * A curve defining the network score over a range of RSSI values. 28dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 29dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * <p>For each RSSI bucket, the score may be any byte. Scores have no absolute meaning and are only 307f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * considered relative to other scores assigned by the same scorer. Networks with no score are 317f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * treated equivalently to a network with score {@link Byte#MIN_VALUE}, and will not be used. 32dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 33dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * <p>For example, consider a curve starting at -110 dBm with a bucket width of 10 and the 34dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * following buckets: {@code [-20, -10, 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120]}. 35dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * This represents a linear curve between -110 dBm and 30 dBm. It scores progressively higher at 36dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * stronger signal strengths. 37dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 38dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * <p>A network can be assigned a fixed score independent of RSSI by setting 39dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * {@link #rssiBuckets} to a one-byte array whose element is the fixed score. {@link #start} 40dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * should be set to the lowest RSSI value at which this fixed score should apply, and 41dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * {@link #bucketWidth} should be set such that {@code start + bucketWidth} is equal to the 42dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * highest RSSI value at which this fixed score should apply. 43dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 44dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * <p>Note that RSSI values below -110 dBm or above 30 dBm are unlikely to cause any difference 45dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * in connectivity behavior from those endpoints. That is, the connectivity framework will treat 46dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * a network with a -120 dBm signal exactly as it would treat one with a -110 dBm signal. 47dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * Therefore, graphs which specify scores outside this range may be truncated to this range by 48dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * the system. 49dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 50dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * @see ScoredNetwork 51dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * @hide 52dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson */ 537be8e9725f4a60f0d1a6cb175a05a320968d7439Jeff Davidson@SystemApi 54dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidsonpublic class RssiCurve implements Parcelable { 557f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson private static final int DEFAULT_ACTIVE_NETWORK_RSSI_BOOST = 25; 56dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 57dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson /** The starting dBm of the curve. */ 58dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public final int start; 59dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 60dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson /** The width of each RSSI bucket, in dBm. */ 61dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public final int bucketWidth; 62dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 63dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson /** The score for each RSSI bucket. */ 64dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public final byte[] rssiBuckets; 65dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 66dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson /** 677f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * The RSSI boost to give this network when active, in dBm. 687f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * 697f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * <p>When the system is connected to this network, it will pretend that the network has this 707f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * much higher of an RSSI. This is to avoid switching networks when another network has only a 717f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * slightly higher score. 727f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson */ 737f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson public final int activeNetworkRssiBoost; 747f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson 757f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson /** 76dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * Construct a new {@link RssiCurve}. 77dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * 78dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * @param start the starting dBm of the curve. 79dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * @param bucketWidth the width of each RSSI bucket, in dBm. 80dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson * @param rssiBuckets the score for each RSSI bucket. 81dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson */ 82dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public RssiCurve(int start, int bucketWidth, byte[] rssiBuckets) { 837f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson this(start, bucketWidth, rssiBuckets, DEFAULT_ACTIVE_NETWORK_RSSI_BOOST); 847f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson } 857f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson 867f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson /** 877f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * Construct a new {@link RssiCurve}. 887f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * 897f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param start the starting dBm of the curve. 907f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param bucketWidth the width of each RSSI bucket, in dBm. 917f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param rssiBuckets the score for each RSSI bucket. 927f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param activeNetworkRssiBoost the RSSI boost to apply when this network is active, in dBm. 937f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson */ 947f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson public RssiCurve(int start, int bucketWidth, byte[] rssiBuckets, int activeNetworkRssiBoost) { 95dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson this.start = start; 96dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson this.bucketWidth = bucketWidth; 97dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson if (rssiBuckets == null || rssiBuckets.length == 0) { 98dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson throw new IllegalArgumentException("rssiBuckets must be at least one element large."); 99dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 100dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson this.rssiBuckets = rssiBuckets; 1017f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson this.activeNetworkRssiBoost = activeNetworkRssiBoost; 102dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 103dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 104dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson private RssiCurve(Parcel in) { 105dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson start = in.readInt(); 106dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson bucketWidth = in.readInt(); 107dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson int bucketCount = in.readInt(); 108dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson rssiBuckets = new byte[bucketCount]; 109dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson in.readByteArray(rssiBuckets); 1107f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson activeNetworkRssiBoost = in.readInt(); 111dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 112dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 113dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson @Override 114dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public int describeContents() { 115dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson return 0; 116dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 117dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 118dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson @Override 119dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public void writeToParcel(Parcel out, int flags) { 120dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson out.writeInt(start); 121dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson out.writeInt(bucketWidth); 122dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson out.writeInt(rssiBuckets.length); 123dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson out.writeByteArray(rssiBuckets); 1247f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson out.writeInt(activeNetworkRssiBoost); 125dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 126dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 1276a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson /** 12814f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * Lookup the score for a given RSSI value. 12914f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * 13014f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * @param rssi The RSSI to lookup. If the RSSI falls below the start of the curve, the score at 13114f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * the start of the curve will be returned. If it falls after the end of the curve, the 13214f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * score at the end of the curve will be returned. 13314f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson * @return the score for the given RSSI. 13414f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson */ 13514f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson public byte lookupScore(int rssi) { 1367f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson return lookupScore(rssi, false /* isActiveNetwork */); 1377f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson } 1387f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson 1397f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson /** 1407f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * Lookup the score for a given RSSI value. 1417f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * 1427f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param rssi The RSSI to lookup. If the RSSI falls below the start of the curve, the score at 1437f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * the start of the curve will be returned. If it falls after the end of the curve, the 1447f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * score at the end of the curve will be returned. 1457f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @param isActiveNetwork Whether this network is currently active. 1467f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson * @return the score for the given RSSI. 1477f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson */ 1487f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson public byte lookupScore(int rssi, boolean isActiveNetwork) { 1497f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson if (isActiveNetwork) { 1507f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson rssi += activeNetworkRssiBoost; 1517f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson } 1527f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson 15314f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson int index = (rssi - start) / bucketWidth; 15414f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson 15514f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson // Snap the index to the closest bucket if it falls outside the curve. 15614f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson if (index < 0) { 15714f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson index = 0; 15814f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson } else if (index > rssiBuckets.length - 1) { 15914f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson index = rssiBuckets.length - 1; 16014f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson } 16114f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson 16214f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson return rssiBuckets[index]; 16314f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson } 16414f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson 16514f1ec05b2add5ee051c0d2e7c7c3b36a6e77b92Jeff Davidson /** 1666a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson * Determine if two RSSI curves are defined in the same way. 1676a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson * 1686a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson * <p>Note that two curves can be equivalent but defined differently, e.g. if one bucket in one 1696a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson * curve is split into two buckets in another. For the purpose of this method, these curves are 1706a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson * not considered equal to each other. 1716a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson */ 1726a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson @Override 1736a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson public boolean equals(Object o) { 1746a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson if (this == o) return true; 1756a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson if (o == null || getClass() != o.getClass()) return false; 1766a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson 1776a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson RssiCurve rssiCurve = (RssiCurve) o; 1786a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson 1796a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson return start == rssiCurve.start && 1806a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson bucketWidth == rssiCurve.bucketWidth && 1817f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson Arrays.equals(rssiBuckets, rssiCurve.rssiBuckets) && 1827f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson activeNetworkRssiBoost == rssiCurve.activeNetworkRssiBoost; 1836a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson } 1846a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson 1856a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson @Override 1866a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson public int hashCode() { 1877f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson return Objects.hash(start, bucketWidth, rssiBuckets, activeNetworkRssiBoost); 1886a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson } 1896a4b220f1263d95fdefe6361c2bc87bbb04bbed0Jeff Davidson 190dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson @Override 191dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public String toString() { 192dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson StringBuilder sb = new StringBuilder(); 193dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson sb.append("RssiCurve[start=") 194dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson .append(start) 195dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson .append(",bucketWidth=") 1967f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson .append(bucketWidth) 1977f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson .append(",activeNetworkRssiBoost=") 1987f38664ea5cda3d5fcd12a50dd0b6b9f4b56050eJeff Davidson .append(activeNetworkRssiBoost); 199dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 200dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson sb.append(",buckets="); 201dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson for (int i = 0; i < rssiBuckets.length; i++) { 202dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson sb.append(rssiBuckets[i]); 203dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson if (i < rssiBuckets.length - 1) { 204dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson sb.append(","); 205dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 206dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 207dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson sb.append("]"); 208dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 209dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson return sb.toString(); 210dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 211dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 212dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public static final Creator<RssiCurve> CREATOR = 213dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson new Creator<RssiCurve>() { 214dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson @Override 215dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public RssiCurve createFromParcel(Parcel in) { 216dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson return new RssiCurve(in); 217dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 218dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson 219dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson @Override 220dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson public RssiCurve[] newArray(int size) { 221dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson return new RssiCurve[size]; 222dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson } 223dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson }; 224dc960e21ef1005fab5ef145773ddd6f40c802217Jeff Davidson} 225