Android模拟IBeacon周边

最新推荐文章于 2025-07-30 15:06:02 发布

我要开飞机

最新推荐文章于 2025-07-30 15:06:02 发布

阅读量1.7k

点赞数 1

CC 4.0 BY-SA版权

分类专栏： Android

本文链接：https://blog.youkuaiyun.com/oBaoChiChenMo/article/details/61196079

Android 专栏收录该内容

1 篇文章

订阅专栏

本文介绍了一种基于Android系统的蓝牙4.0 (BLE) 广播实现方法，通过具体的Java代码示例展示了如何设置蓝牙广告数据包并启动蓝牙广播。代码中详细解释了如何配置蓝牙广告设置、构造广告数据，并提供了错误处理机制。

手机必须支持蓝牙4.0（BLE）

完整代码：

package com.example.gemall.myapplication;


import android.app.Activity;
import android.bluetooth.BluetoothManager;
import android.bluetooth.le.AdvertiseCallback;
import android.bluetooth.le.AdvertiseData;
import android.bluetooth.le.AdvertiseSettings;
import android.bluetooth.le.BluetoothLeAdvertiser;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Toast;

public class MainActivity extends Activity {
    AdvertiseCallback mAdvertiseCallback;
    BluetoothLeAdvertiser mLeAdvertiser;



    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {

            Toast.makeText( this , "设备不支持蓝牙4.0" , Toast.LENGTH_SHORT).show();

            finish();

        }

        startAdvertising("E2C56DB5-DFFB-48D2-B060-D0F5A71096E0",123,456);
    }
    private void startAdvertising(String uuid, int major, int minor) {

        mLeAdvertiser = ((BluetoothManager)getSystemService(Context.BLUETOOTH_SERVICE)).getAdapter().getBluetoothLeAdvertiser();
        if(mLeAdvertiser == null) {
            Toast.makeText(this,"不支持广播",Toast.LENGTH_LONG).show();
            return;
        }
        AdvertiseSettings.Builder mLeAdvSettingsBuilder = new AdvertiseSettings.Builder().setTxPowerLevel(0x3);
        mLeAdvSettingsBuilder.setAdvertiseMode(0x0);
        mLeAdvSettingsBuilder.setConnectable(true);
        AdvertiseData.Builder mLeAdvDataBuilder = new AdvertiseData.Builder();

        String[] uuidstr = uuid.replaceAll("-", "").toLowerCase().split("");


        byte[] uuidBytes = new byte[16];

        for (int i = 1,x=0; i < uuidstr.length;x++) {

            uuidBytes[x] = (byte) ((Integer.parseInt(uuidstr[i++], 16)<<4) | Integer.parseInt(uuidstr[i++], 16));

        }


        byte[] majorBytes = {(byte) (major>>8), (byte) (major&0xff)};
        byte[] minorBytes = {(byte) (minor>>8), (byte) (minor&0xff)};
        byte[] mPowerBytes = {-0x41};
        byte[] mServiceData = new byte[0x17];
        byte[] flagibeacon = {0x02, 0x15};



        System.arraycopy(flagibeacon, 0x0, mServiceData, 0x0, 0x2);
        System.arraycopy(uuidBytes, 0x0, mServiceData, 0x2, 0x10);
        System.arraycopy(majorBytes, 0x0, mServiceData, 0x12, 0x2);
        System.arraycopy(minorBytes, 0x0, mServiceData, 0x14, 0x2);
        System.arraycopy(mPowerBytes, 0x0, mServiceData, 0x16, 0x1);
        mLeAdvDataBuilder.addManufacturerData(0x4c, mServiceData);
        mAdvertiseCallback = createAdvertiseCallback();
        mLeAdvertiser.startAdvertising(mLeAdvSettingsBuilder.build(), mLeAdvDataBuilder.build(), mAdvertiseCallback);
    }

    private AdvertiseCallback createAdvertiseCallback() {
        return new AdvertiseCallback() {

            public void onStartSuccess(AdvertiseSettings settingsInEffect) {
                System.out.print( settingsInEffect);
            }

            public void onStartFailure(int errorCode) {
                String description = "";
                if(errorCode == 0x5) {
                } else if(errorCode == 0x2) {
                } else if(errorCode == 0x3) {
                } else if(errorCode == 0x1) {
                } else if(errorCode == 0x4) {
                } else {
                }
                System.out.print("onFailure error:" + errorCode + " " + description);
            }
        };
    }

}