Java tutorial
//package com.java2s; /* * Copyright 2012 Kulikov Dmitriy * * 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.bluetooth.BluetoothAdapter; public class Main { public static String validateBluetoothAddress(String address) { if (BluetoothAdapter.checkBluetoothAddress(address)) { return address; } else { StringBuilder buf = new StringBuilder(17); buf.append(address.toUpperCase()); buf.insert(2, ':'); buf.insert(5, ':'); buf.insert(8, ':'); buf.insert(11, ':'); buf.insert(14, ':'); return buf.toString(); } } }