Check whether the given parcelUuid can be converted to 32 bit bluetooth uuid. - Android Bluetooth

Android examples for Bluetooth:Bluetooth Parcel

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Description

Check whether the given parcelUuid can be converted to 32 bit bluetooth uuid.

Demo Code

/*//  w w w  .j  a  v  a2 s.  c  o  m
 * Copyright (C) 2009 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.
 */
//package com.java2s;
import android.os.ParcelUuid;

import java.util.UUID;

public class Main {
    public static final ParcelUuid BASE_UUID = ParcelUuid
            .fromString("00000000-0000-1000-8000-00805F9B34FB");

    /**
     * Check whether the given parcelUuid can be converted to 32 bit bluetooth uuid.
     *
     * @param parcelUuid
     * @return true if the parcelUuid can be converted to 32 bit uuid, false otherwise.
     */
    public static boolean is32BitUuid(ParcelUuid parcelUuid) {
        UUID uuid = parcelUuid.getUuid();
        if (uuid.getLeastSignificantBits() != BASE_UUID.getUuid()
                .getLeastSignificantBits()) {
            return false;
        }
        if (is16BitUuid(parcelUuid)) {
            return false;
        }
        return ((uuid.getMostSignificantBits() & 0xFFFFFFFFL) == 0x1000L);
    }

    /**
     * Check whether the given parcelUuid can be converted to 16 bit bluetooth uuid.
     *
     * @param parcelUuid
     * @return true if the parcelUuid can be converted to 16 bit uuid, false otherwise.
     */
    public static boolean is16BitUuid(ParcelUuid parcelUuid) {
        UUID uuid = parcelUuid.getUuid();
        if (uuid.getLeastSignificantBits() != BASE_UUID.getUuid()
                .getLeastSignificantBits()) {
            return false;
        }
        return ((uuid.getMostSignificantBits() & 0xFFFF0000FFFFFFFFL) == 0x1000L);
    }
}

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