Java tutorial
//package com.java2s; /* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.nfc.NdefMessage; import android.nfc.NdefRecord; import java.util.Arrays; public class Main { public static boolean areMessagesEqual(NdefMessage message, NdefMessage otherMessage) { return message != null && otherMessage != null && areRecordArraysEqual(message.getRecords(), otherMessage.getRecords()); } private static boolean areRecordArraysEqual(NdefRecord[] records, NdefRecord[] otherRecords) { if (records.length == otherRecords.length) { for (int i = 0; i < records.length; i++) { if (!areRecordsEqual(records[i], otherRecords[i])) { return false; } } return true; } else { return false; } } private static boolean areRecordsEqual(NdefRecord record, NdefRecord otherRecord) { return Arrays.equals(record.toByteArray(), otherRecord.toByteArray()); } }