Java tutorial
//package com.java2s; /* * Copyright 2016 Johann Reyes * * 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 boolean isBluetoothAvailable() { BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); if (!adapter.isEnabled()) { if (adapter.getState() == BluetoothAdapter.STATE_OFF) { adapter.enable(); } } return adapter.getState() == BluetoothAdapter.STATE_ON; } }