BLE多连接

package com.rmt.bluetooth.audio.ble;import android.app.Service;import android.content.Intent;import android.os.Handler;import android.os.HandlerThread;import android.os.IBinder;/** * 00:01:e4:00:00:26 smart Key 678fea09-1021-0001-4429-00ab85ba498a (service) * 678fea09-dde9-0388-40a9-34ab85ba498a 01:0d:5b:00:15:11 Howic123 * 00006678-9082-11e1-9b23-00025b000011 (service) * 00006678-9082-11e1-9b23-00025b000012 00006678-9082-11e1-9b23-00025b000013 */public class RMTBleService extends Service {private final long SCAN_PERIOD = 8000; // 2000毫秒(ms) = 2秒(s)private Handler mHandler;private HandlerThread handlerThread;private boolean mStop = false;@Overridepublic IBinder onBind(Intent intent) {return null;}@Overridepublic void onCreate() {super.onCreate();mStop = false;handlerThread = new HandlerThread("xxxx");handlerThread.start();mHandler = new Handler(handlerThread.getLooper());mHandler.post(mRunnable);}//@Override//public int onStartCommand(Intent intent, int flags, int startId) {//RMTBle.getInstance(RMTBleService.this).startSacnThread();//return super.onStartCommand(intent, flags, startId);//}private Runnable mRunnable = new Runnable() {public void run() {if (mStop)  return;scanBleDevice(true);mHandler.postDelayed(this, 8500);}};private Runnable mStopLeScanRunable = new Runnable() {public void run() {if (mStop)  return;RMTBle.getInstance(RMTBleService.this).stopLeScan();}};public void scanBleDevice(boolean enable) {if (enable) {mHandler.postDelayed(mStopLeScanRunable, SCAN_PERIOD);RMTBle.getInstance(RMTBleService.this).startLeScan();} else {RMTBle.getInstance(RMTBleService.this).stopLeScan();}}@Overridepublic void onDestroy() {super.onDestroy();mStop = true;mHandler.removeCallbacks(mRunnable);mHandler.removeCallbacks(mStopLeScanRunable);RMTBle.getInstance(this).destroy();};}

package com.rmt.bluetooth.audio.ble;import java.util.List;import java.util.UUID;import java.util.concurrent.Executors;import java.util.concurrent.ScheduledExecutorService;import java.util.concurrent.TimeUnit;import org.apache.commons.lang3.ArrayUtils;import android.bluetooth.BluetoothAdapter;import android.bluetooth.BluetoothDevice;import android.bluetooth.BluetoothGatt;import android.bluetooth.BluetoothGattCallback;import android.bluetooth.BluetoothGattCharacteristic;import android.bluetooth.BluetoothGattService;import android.bluetooth.BluetoothManager;import android.bluetooth.BluetoothProfile;import android.content.Context;import android.os.Handler;import android.util.Log;import com.rmt.bluetooth.audio.dataparse.CommonMethods;import com.rmt.bluetooth.audio.dataparse.Constants;public class RMTBle {public static final String TAG = "Ble";  //2000毫秒(ms) = 2秒(s)private Context mContext;private BluetoothManager mBluetoothManager;private BluetoothAdapter mBluetoothAdapter;public static final UUID keyUUID      = UUID.fromString("xxxxx-1021-0001-4429-00xxxxxa498a");      public static final UUID earUUID      = UUID.fromString("xxxxx-9082-11e1-9b23-000xxxx00011");public static final UUID earWriteUUID = UUID.fromString("xxxxx-9082-11e1-9b23-0002xxxx0012");private final int MAX_PACKET_SIZE = 16;private BleFunction bleFunction;private BluetoothGatt bGettKeyboard, bGettHearset;private String lastAddress;public int count;private boolean keyStatus, earStatus;private final int OP_READ  = 0;private final int OP_WRITE = 1;private final int MAX_BUFFER_SIZE = 1024 * 100;private int mDataLen;private byte[] mDataBuffer = new byte[MAX_BUFFER_SIZE];private IStatus iStatus;private static RMTBle sInstance;//private ScanThread scanThread;private RMTBle(Context context) {this.mContext = context;getAdapter();//scanThread = new ScanThread();bleFunction = new BleFunction(mContext);}public synchronized static RMTBle getInstance(Context context) {if (sInstance == null) {sInstance = new RMTBle(context);}return sInstance;} private void getAdapter() {if (mBluetoothManager == null) {mBluetoothManager = (BluetoothManager) mContext.getSystemService(Context.BLUETOOTH_SERVICE);}mBluetoothAdapter = mBluetoothManager.getAdapter();}/* ************************************************************************** *//*private class ScanThread extends Thread {@Overridepublic void run() {super.run();mHandler.postDelayed(new Runnable() {@Overridepublic void run() {mHandler.sendEmptyMessage(0x02);}}, 10000);mHandler.sendEmptyMessage(0x01);}};private Handler mHandler = new Handler(){public void handleMessage(android.os.Message msg) {switch (msg.what) {case 0x01: //开始扫描startLeScan();Log.d(TAG, "-----------------startLeScan()------------>");break;case 0x02: //停止扫描,停止线程stopLeScan();//scanThread.interrupt();Log.d(TAG, "-----------------scanThread.interrupt();------------>");break;}};};public void startSacnThread() {Runnable runnable = new Runnable() {public void run() {Log.d(TAG, "-----------------线程start()------------>");scanThread.start();}};ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();service.scheduleAtFixedRate(runnable, 50, 2000, TimeUnit.MICROSECONDS);}*//* ************************************************************************** *///扫描的回调中截取UUIDprivate UUID guuid_record(byte[] scanRecord) {final int serviceOffset = 5;try {byte[] service = ArrayUtils.subarray(scanRecord, serviceOffset, serviceOffset + 16);ArrayUtils.reverse(service);String discoveredServiceID = bytesToHex(service);String realId = discoveredServiceID.substring(0, 8) + "-" + discoveredServiceID.substring(8, 12) + "-" + discoveredServiceID.substring(12, 16) + "-" + discoveredServiceID.substring(16, 20) + "-"+ discoveredServiceID.substring(20);return UUID.fromString(realId);} catch (Exception e) {e.printStackTrace();}return null;}//byte 转 Stringprivate String bytesToHex(byte[] service) {String a = "";for (int i = 0; i < service.length; i++) {String hex = Integer.toHexString(service[i] & 0xFF);if (hex.length() == 1) {hex = '0' + hex;}a = a + hex;}return a;}//扫描回调private BluetoothAdapter.LeScanCallback mLeScanCallback = new BluetoothAdapter.LeScanCallback() {@Overridepublic void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord) {String str = device.getAddress();String name = device.getName();Log.d(TAG, "---扫描的设备---->"+name+"---"+str);if (count < 2) {if (guuid_record(scanRecord).equals(keyUUID) || guuid_record(scanRecord).equals(earUUID)) {   //连接指定的uuidif (!str.equalsIgnoreCase(lastAddress)) {   // 连接上的同一地址不处理if (connect(device, guuid_record(scanRecord))) {lastAddress = str;count++;}}}} else{Log.d(TAG, "---count >= 2---->"+count);}}};public void startLeScan() {if (mBluetoothAdapter != null) {mBluetoothAdapter.startLeScan(mLeScanCallback);}}public void stopLeScan() {if (mBluetoothAdapter != null) {Log.d(TAG, "---stopLeScan()---->"+count);mBluetoothAdapter.stopLeScan(mLeScanCallback);}}/** 向耳机写入指令 */public void write(byte[] bytes) {if(bGettHearset != null){int i = 0;byte[] tmp_data = new byte[MAX_PACKET_SIZE];if (bytes.length % MAX_PACKET_SIZE > 0) {System.arraycopy(bytes, i * MAX_PACKET_SIZE, tmp_data, 0, bytes.length % MAX_PACKET_SIZE);BluetoothGattService writeValue = bGettHearset.getService(earUUID);if (writeValue == null)          return;BluetoothGattCharacteristic characteristic = writeValue.getCharacteristic(earWriteUUID);if (characteristic == null)      return;characteristic.setValue(tmp_data);characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE);bGettHearset.writeCharacteristic(characteristic);    }}}//连接public boolean connect(BluetoothDevice device, UUID uuid) {String connectAddress =  device.getAddress();//耳机断开了重新连接 , 没必要做重连,  在connectGatt() call connect();//if (bGettHearset != null && connectName.startsWith("Howic") && connectAddress.equals(lastAddress)) {//earStatus = bGettHearset.connect();//CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_EAR_STATUS, earStatus);//return earStatus;//}//遥控器断开了重新连接//if(bGettKeyboard != null && connectName.startsWith("smart") && connectAddress.equals(lastAddress)){//keyStatus = bGettKeyboard.connect();//CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_KEY_STATUS, keyStatus);//return keyStatus;//}   final BluetoothDevice deviceTemp = mBluetoothAdapter.getRemoteDevice(connectAddress);       //遥控器建立GATT连接   if(uuid.toString().startsWith("678fea09")){   bGettKeyboard = deviceTemp.connectGatt(mContext, false, gattKeyboard);   if(bGettKeyboard != null){   lastAddress = connectAddress;   keyStatus = true;   CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_KEY_STATUS, keyStatus);   return true;   }     }      //耳机建立GATT连接   if(uuid.toString().startsWith("00006678")){   bGettHearset = deviceTemp.connectGatt(mContext, false, gettHearset);   if(bGettHearset != null) {   lastAddress = connectAddress;   earStatus = true;   CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_EAR_STATUS, earStatus);   return true;   }    }return false;}/**耳机的GATT回调*/private BluetoothGattCallback gettHearset = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {if (newState == BluetoothProfile.STATE_CONNECTED) {bGettHearset.discoverServices();iStatus.statusInfo(newState, earUUID);} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {lastAddress = ""; //断开后将最后的地址置空， 不然重连不上,连接设备的个数也减 1count--;bGettHearset.close();bGettHearset = null;try {CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_EAR_STATUS, false);iStatus.statusInfo(newState, earUUID);String atCmd = "HFP=0\r\n";byte[] new_data = atCmd.getBytes();handle_buffer(OP_WRITE, new_data, new_data.length);Thread.sleep(100);} catch (InterruptedException e) {e.printStackTrace();}}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {List<BluetoothGattService> gettServiceList =  bGettHearset.getServices(); for (BluetoothGattService gattService : gettServiceList) { if(gattService.getUuid().equals(earUUID)){ List<BluetoothGattCharacteristic> gattCharacteristicsList = gattService.getCharacteristics(); for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristicsList) { if(gattCharacteristic.getUuid().equals(earWriteUUID)){ bGettHearset.setCharacteristicNotification(gattCharacteristic, true); break;  } } } }} @Overridepublic void onCharacteristicRead(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic, int status) {    }@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {byte[] new_data = characteristic.getValue();while (handle_buffer(OP_WRITE, new_data, new_data.length) != null) {try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}};}};/**遥控器的GATT回调*/private BluetoothGattCallback gattKeyboard = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {if (newState == BluetoothProfile.STATE_CONNECTED) {bGettKeyboard.discoverServices();iStatus.statusInfo(newState, keyUUID);} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {lastAddress = "";  //断开后将最后的地址置空， 不然重连不上,连接设备的个数也减 1count--;bGettKeyboard.close();bGettKeyboard = null;CommonMethods.saveBooleanSharedParameter(mContext, Constants.BLE_KEY_STATUS, false);iStatus.statusInfo(newState, keyUUID);}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {List<BluetoothGattService> gettServiceList =  bGettKeyboard.getServices(); for (BluetoothGattService gattService : gettServiceList) { if(gattService.getUuid().equals(keyUUID)){ List<BluetoothGattCharacteristic> gattCharacteristicsList = gattService.getCharacteristics(); for (int i = 0; i < gattCharacteristicsList.size(); i++) { bGettKeyboard.setCharacteristicNotification(gattCharacteristicsList.get(0), true); break;} } }} }@Overridepublic void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {   }@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {byte[] data = characteristic.getValue();final StringBuilder stringBuilder = new StringBuilder(data.length);for (byte byteChar : data) {  //读到的byte[]转为十进制的intstringBuilder.append(String.format("%d", byteChar));}Log.d(TAG, "---key---value---->"+Integer.parseInt(stringBuilder.toString()));bleFunction.keySingEven(Integer.parseInt(stringBuilder.toString()));}};public void sendPortText(String str) {send(str.getBytes());}public int send(byte[] data) {if(bGettHearset != null){BluetoothGattService writeValue = bGettHearset.getService(earUUID);if (writeValue == null) return 0;BluetoothGattCharacteristic characteristic = writeValue.getCharacteristic(earWriteUUID);if (characteristic == null) return 0;int i = 0;int loop = data.length / MAX_PACKET_SIZE;byte[] tmp_data = new byte[MAX_PACKET_SIZE];for (i = 0; i < loop; i++) {System.arraycopy(data, i * MAX_PACKET_SIZE, tmp_data, 0, MAX_PACKET_SIZE);characteristic.setValue(tmp_data);characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE);bGettHearset.writeCharacteristic(characteristic);}if (data.length % MAX_PACKET_SIZE > 0) {System.arraycopy(data, i * MAX_PACKET_SIZE, tmp_data, 0, data.length % MAX_PACKET_SIZE);characteristic.setValue(tmp_data);characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE);bGettHearset.writeCharacteristic(characteristic); } }return data.length;}public byte[] read() {return handle_buffer(OP_READ, null, 0);}public synchronized byte[] handle_buffer(int op_mode, byte[] buffer, int size) {if (op_mode == OP_READ) {if (mDataLen > 0) {byte[] copy_data = new byte[mDataLen];System.arraycopy(mDataBuffer, 0, copy_data, 0, mDataLen);mDataLen = 0;return copy_data;}} else {if (mDataLen < MAX_BUFFER_SIZE) {System.arraycopy(buffer, 0, mDataBuffer, mDataLen, size);mDataLen += size;} else {String strDelay = "Delay";return strDelay.getBytes();}}return null;}public synchronized String receivePortText() {byte[] buffer = read();if (buffer != null && buffer.length > 0) {int length = buffer.length;byte[] xiao =  new byte[length];for(int i=0;i<xiao.length;i++) {xiao[i]=buffer[i];}return CommonMethods.bytesToHexString(xiao);}return "";}public void destroy() {if (bGettKeyboard != null) {bGettKeyboard.close();bGettKeyboard = null;}if (bGettHearset != null) {bGettHearset.close();bGettHearset = null;}}public void setCount(int count){this.count = count;}//设置状态回调public void setStatusCallback(IStatus iStatus){this.iStatus = iStatus;}}

附参考 ；

/* * Copyright (C) 2013 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.bluetooth.smart.light.server;import java.util.List;import java.util.UUID;import android.app.Service;import android.bluetooth.BluetoothAdapter;import android.bluetooth.BluetoothDevice;import android.bluetooth.BluetoothGatt;import android.bluetooth.BluetoothGattCallback;import android.bluetooth.BluetoothGattCharacteristic;import android.bluetooth.BluetoothGattDescriptor;import android.bluetooth.BluetoothGattServer;import android.bluetooth.BluetoothGattService;import android.bluetooth.BluetoothManager;import android.bluetooth.BluetoothProfile;import android.content.Context;import android.content.Intent;import android.os.Binder;import android.os.Bundle;import android.os.Handler;import android.os.IBinder;import android.os.Message;import android.util.Log;/** * Service for managing connection and data communication with a GATT server * hosted on a given Bluetooth LE device. */public class BluetoothLeService extends Service {private final static String TAG = BluetoothLeService.class.getSimpleName();private BluetoothManager mBluetoothManager;private BluetoothAdapter mBluetoothAdapter;private String mBluetoothDeviceAddress;private String mBluetoothDeviceAddress1;private String mBluetoothDeviceAddress2;private String mBluetoothDeviceAddress3;private String mBluetoothDeviceAddress4;public static BluetoothGatt mBluetoothGatt;public static BluetoothGatt mBluetoothGatt2;public static BluetoothGatt mBluetoothGatt3;public static BluetoothGatt mBluetoothGatt4;public static BluetoothGatt mBluetoothGatt5;private int mConnectionState = STATE_DISCONNECTED;public BluetoothGattServer mBluetoothGattServer = null;private static final int STATE_DISCONNECTED = 0;private static final int STATE_CONNECTING = 1;private static final int STATE_CONNECTED = 2;public static final int PXP_CONNECT_MSG = 21;public static final int PXP_DISCONNECT_MSG = 22;public static final int PXP_READY_MSG = 23;public static final int PXP_VALUE_MSG = 24;public static final int GATT_DEVICE_FOUND_MSG = 25;public static final int GATT_CHARACTERISTIC_RSSI_MSG = 26;public static final int PROXIMITY_ALERT_LEVEL_CHANGED_MSG = 27;/** Source of device entries in the device list */public static final int DEVICE_SOURCE_SCAN = 10;public static final int DEVICE_SOURCE_BONDED = 11;public static final int DEVICE_SOURCE_CONNECTED = 12;private Handler mActivityHandler = null;private Handler mDeviceListHandler = null;//public final static String ACTION_GATT_CONNECTED = "com.example.bluetooth.le.ACTION_GATT_CONNECTED";public final static String ACTION_GATT_DISCONNECTED = "com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";public final static String ACTION_GATT_SERVICES_DISCOVERED = "com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";public final static String ACTION_DATA_AVAILABLE = "com.example.bluetooth.le.ACTION_DATA_AVAILABLE";public final static String EXTRA_DATA = "com.example.bluetooth.le.EXTRA_DATA";// /** Intent extras */public static final String EXTRA_DEVICE = "DEVICE";public static final String EXTRA_RSSI = "RSSI";public static final String EXTRA_SOURCE = "SOURCE";public static final String EXTRA_ADDR = "ADDRESS";public static final String EXTRA_CONNECTED = "CONNECTED";public static final String EXTRA_STATUS = "STATUS";public static final String EXTRA_UUID = "UUID";public static final String EXTRA_VALUE = "VALUE";public static final byte NO_ALERT = 0;public static final byte LOW_ALERT = 1;public static final byte HIGH_ALERT = 2;public final static UUID UUID_HEART_RATE_MEASUREMENT = UUID.fromString(SampleGattAttributes.HEART_RATE_MEASUREMENT);public static final UUID IMMEDIATE_ALERT_UUID = UUID.fromString("00001802-0000-1000-8000-00805f9b34fb");public static final UUID LINK_LOSS_UUID = UUID.fromString("00001803-0000-1000-8000-00805f9b34fb");public static final UUID TX_POWER_UUID = UUID.fromString("00001804-0000-1000-8000-00805f9b34fb");public static final UUID ALERT_LEVEL_UUID = UUID.fromString("00002a06-0000-1000-8000-00805f9b34fb");public static final UUID TX_POWER_LEVEL_UUID = UUID.fromString("00002a07-0000-1000-8000-00805f9b34fb");public static final UUID CCC = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");public static final UUID FIRMWARE_REVISON_UUID = UUID.fromString("00002a26-0000-1000-8000-00805f9b34fb");public static final UUID DIS_UUID = UUID.fromString("0000180a-0000-1000-8000-00805f9b34fb");public static final UUID SERVIE_UUID = UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb");public static final UUID RED_LIGHT_CONTROL_UUID = UUID.fromString("0000ffe1-0000-1000-8000-00805f9b34fb");public static final UUID GREED_LIGHT_CONTROL_UUID = UUID.fromString("0000ffe2-0000-1000-8000-00805f9b34fb");public static final UUID BLUE_LIGHT_CONTROL_UUID = UUID.fromString("0000ffe3-0000-1000-8000-00805f9b34fb");public static final UUID WHITE_LIGHT_CONTROL_UUID = UUID.fromString("0000ffe4-0000-1000-8000-00805f9b34fb");public static final UUID WRGB_LIGHT_CONTROL_UUID = UUID.fromString("0000ffe5-0000-1000-8000-00805f9b34fb");public static final UUID SHADE_CONTROL_UUID = UUID.fromString("0000ffe6-0000-1000-8000-00805f9b34fb");public static final UUID AUTO_SHOT_OFF_UUID = UUID.fromString("0000ffd1-0000-1000-8000-00805f9b34fb");public static final UUID FADE_SHOT_ON_UUID = UUID.fromString("0000ffd2-0000-1000-8000-00805f9b34fb");public static final UUID AUTO_SHOT_ON_UUID = UUID.fromString("0000ffd3-0000-1000-8000-00805f9b34fb");// Implements callback methods for GATT events that the app cares about. For  example, connection change and services discovered.private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status,int newState) {String intentAction;if (newState == BluetoothProfile.STATE_CONNECTED) {intentAction = ACTION_GATT_CONNECTED;mConnectionState = STATE_CONNECTED;broadcastUpdate(intentAction);Log.i(TAG, "Connected to GATT server.+1");// Attempts to discover services after successful connection.Log.i(TAG, "Attempting to start service discovery:"+ mBluetoothGatt.discoverServices());Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_CONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();mBluetoothGatt.discoverServices();// mBluetoothGatt2.discoverServices();} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {mBluetoothDeviceAddress = null;intentAction = ACTION_GATT_DISCONNECTED;mConnectionState = STATE_DISCONNECTED;Log.i(TAG, "Disconnected from GATT server.+1");broadcastUpdate(intentAction);Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_DISCONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);} else {Log.w(TAG, "onServicesDiscovered received: " + status);}Message msg = Message.obtain(mActivityHandler, PXP_READY_MSG);// msg.sendToTarget();// DummyReadForSecLevelCheck(device);// 分开发送到PXPBundle mBundle = new Bundle();mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice().getAddress());msg.setData(mBundle);msg.sendToTarget();}@Overridepublic void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);}}@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);if (TX_POWER_LEVEL_UUID.equals(characteristic.getUuid())) {Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_VALUE_MSG);mBundle.putByteArray(EXTRA_VALUE, characteristic.getValue());msg.setData(mBundle);msg.sendToTarget();}}};// Implements callback methods for GATT events that the app cares about. For example,// connection change and services discovered.private final BluetoothGattCallback mGattCallback1 = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {String intentAction;if (newState == BluetoothProfile.STATE_CONNECTED) {intentAction = ACTION_GATT_CONNECTED;mConnectionState = STATE_CONNECTED;broadcastUpdate(intentAction);Log.i(TAG, "Connected to GATT server.+2");// Attempts to discover services after successful connection.Log.i(TAG, "Attempting to start service discovery:" + mBluetoothGatt2.discoverServices());Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_CONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();// mBluetoothGatt.discoverServices();mBluetoothGatt2.discoverServices();} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {mBluetoothDeviceAddress1 = null;intentAction = ACTION_GATT_DISCONNECTED;mConnectionState = STATE_DISCONNECTED;Log.i(TAG, "Disconnected from GATT server.+2");broadcastUpdate(intentAction);Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_DISCONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);} else {Log.w(TAG, "onServicesDiscovered received: " + status);}Message msg = Message.obtain(mActivityHandler, PXP_READY_MSG);// msg.sendToTarget();// DummyReadForSecLevelCheck(device);// 分开发送到PXPBundle mBundle = new Bundle();mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice().getAddress());msg.setData(mBundle);msg.sendToTarget();}@Overridepublic void onCharacteristicRead(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);}}@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);if (TX_POWER_LEVEL_UUID.equals(characteristic.getUuid())) {Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_VALUE_MSG);mBundle.putByteArray(EXTRA_VALUE, characteristic.getValue());msg.setData(mBundle);msg.sendToTarget();}}};// Implements callback methods for GATT events that the app cares about. For// example,// connection change and services discovered.private final BluetoothGattCallback mGattCallback2 = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status,int newState) {String intentAction;if (newState == BluetoothProfile.STATE_CONNECTED) {intentAction = ACTION_GATT_CONNECTED;mConnectionState = STATE_CONNECTED;broadcastUpdate(intentAction);Log.i(TAG, "Connected to GATT server.+3");// Attempts to discover services after successful connection.Log.i(TAG, "Attempting to start service discovery:"+ mBluetoothGatt3.discoverServices());Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_CONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();mBluetoothGatt3.discoverServices();// mBluetoothGatt2.discoverServices();} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {mBluetoothDeviceAddress2 = null;intentAction = ACTION_GATT_DISCONNECTED;mConnectionState = STATE_DISCONNECTED;Log.i(TAG, "Disconnected from GATT server.+3");broadcastUpdate(intentAction);Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler,PXP_DISCONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);} else {Log.w(TAG, "onServicesDiscovered received: " + status);}Message msg = Message.obtain(mActivityHandler, PXP_READY_MSG);// msg.sendToTarget();// DummyReadForSecLevelCheck(device);// 分开发送到PXPBundle mBundle = new Bundle();mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice().getAddress());msg.setData(mBundle);msg.sendToTarget();}@Overridepublic void onCharacteristicRead(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);}}@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);if (TX_POWER_LEVEL_UUID.equals(characteristic.getUuid())) {Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_VALUE_MSG);mBundle.putByteArray(EXTRA_VALUE, characteristic.getValue());msg.setData(mBundle);msg.sendToTarget();}}};// Implements callback methods for GATT events that the app cares about. For// example,// connection change and services discovered.private final BluetoothGattCallback mGattCallback3 = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status,int newState) {String intentAction;if (newState == BluetoothProfile.STATE_CONNECTED) {intentAction = ACTION_GATT_CONNECTED;mConnectionState = STATE_CONNECTED;broadcastUpdate(intentAction);Log.i(TAG, "Connected to GATT server.+4");// Attempts to discover services after successful connection.Log.i(TAG, "Attempting to start service discovery:"+ mBluetoothGatt4.discoverServices());Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_CONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();mBluetoothGatt4.discoverServices();// mBluetoothGatt2.discoverServices();} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {mBluetoothDeviceAddress3 = null;intentAction = ACTION_GATT_DISCONNECTED;mConnectionState = STATE_DISCONNECTED;Log.i(TAG, "Disconnected from GATT server.+4");broadcastUpdate(intentAction);Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler,PXP_DISCONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);} else {Log.w(TAG, "onServicesDiscovered received: " + status);}Message msg = Message.obtain(mActivityHandler, PXP_READY_MSG);// msg.sendToTarget();// DummyReadForSecLevelCheck(device);// 分开发送到PXPBundle mBundle = new Bundle();mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice().getAddress());msg.setData(mBundle);msg.sendToTarget();}@Overridepublic void onCharacteristicRead(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);}}@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);if (TX_POWER_LEVEL_UUID.equals(characteristic.getUuid())) {Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_VALUE_MSG);mBundle.putByteArray(EXTRA_VALUE, characteristic.getValue());msg.setData(mBundle);msg.sendToTarget();}}};private final BluetoothGattCallback mGattCallback4 = new BluetoothGattCallback() {@Overridepublic void onConnectionStateChange(BluetoothGatt gatt, int status,int newState) {String intentAction;if (newState == BluetoothProfile.STATE_CONNECTED) {intentAction = ACTION_GATT_CONNECTED;mConnectionState = STATE_CONNECTED;broadcastUpdate(intentAction);Log.i(TAG, "Connected to GATT server.+5");// Attempts to discover services after successful connection.Log.i(TAG, "Attempting to start service discovery:"+ mBluetoothGatt5.discoverServices());Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_CONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();mBluetoothGatt5.discoverServices();// mBluetoothGatt2.discoverServices();} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {mBluetoothDeviceAddress4 = null;intentAction = ACTION_GATT_DISCONNECTED;mConnectionState = STATE_DISCONNECTED;Log.i(TAG, "Disconnected from GATT server.+5");broadcastUpdate(intentAction);Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler,PXP_DISCONNECT_MSG);mBundle.putString(BluetoothDevice.EXTRA_DEVICE,gatt.getDevice() + "");msg.setData(mBundle);msg.sendToTarget();}}@Overridepublic void onServicesDiscovered(BluetoothGatt gatt, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);} else {Log.w(TAG, "onServicesDiscovered received: " + status);}Message msg = Message.obtain(mActivityHandler, PXP_READY_MSG);// msg.sendToTarget();// DummyReadForSecLevelCheck(device);// 分开发送到PXPBundle mBundle = new Bundle();mBundle.putString(BluetoothDevice.EXTRA_DEVICE, gatt.getDevice().getAddress());msg.setData(mBundle);msg.sendToTarget();}@Overridepublic void onCharacteristicRead(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic, int status) {if (status == BluetoothGatt.GATT_SUCCESS) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);}}@Overridepublic void onCharacteristicChanged(BluetoothGatt gatt,BluetoothGattCharacteristic characteristic) {broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);if (TX_POWER_LEVEL_UUID.equals(characteristic.getUuid())) {Bundle mBundle = new Bundle();Message msg = Message.obtain(mActivityHandler, PXP_VALUE_MSG);mBundle.putByteArray(EXTRA_VALUE, characteristic.getValue());msg.setData(mBundle);msg.sendToTarget();}}};private void broadcastUpdate(final String action) {final Intent intent = new Intent(action);sendBroadcast(intent);}private void broadcastUpdate(final String action,final BluetoothGattCharacteristic characteristic) {final Intent intent = new Intent(action);// This is special handling for the Heart Rate Measurement profile. Data// parsing is// carried out as per profile specifications:// http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xmlif (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {int flag = characteristic.getProperties();int format = -1;if ((flag & 0x01) != 0) {format = BluetoothGattCharacteristic.FORMAT_UINT16;Log.d(TAG, "Heart rate format UINT16.");} else {format = BluetoothGattCharacteristic.FORMAT_UINT8;Log.d(TAG, "Heart rate format UINT8.");}final int heartRate = characteristic.getIntValue(format, 1);Log.d(TAG, String.format("Received heart rate: %d", heartRate));intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));} else {// For all other profiles, writes the data formatted in HEX.final byte[] data = characteristic.getValue();if (data != null && data.length > 0) {final StringBuilder stringBuilder = new StringBuilder(data.length);for (byte byteChar : data)stringBuilder.append(String.format("%02X ", byteChar));intent.putExtra(EXTRA_DATA, new String(data) + "\n"+ stringBuilder.toString());}}sendBroadcast(intent);}public class LocalBinder extends Binder {public BluetoothLeService getService() {return BluetoothLeService.this;}}@Overridepublic IBinder onBind(Intent intent) {return mBinder;}@Overridepublic boolean onUnbind(Intent intent) {// After using a given device, you should make sure that// BluetoothGatt.close() is called// such that resources are cleaned up properly. In this particular// example, close() is// invoked when the UI is disconnected from the Service.'=for (int i = 0; i < 5; i++) {close(i);}return super.onUnbind(intent);}private final IBinder mBinder = new LocalBinder();/** * Initializes a reference to the local Bluetooth adapter. *  * @return Return true if the initialization is successful. */public boolean initialize() {// For API level 18 and above, get a reference to BluetoothAdapter// through// BluetoothManager.if (mBluetoothManager == null) {mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);if (mBluetoothManager == null) {Log.e(TAG, "Unable to initialize BluetoothManager.");return false;}}mBluetoothAdapter = mBluetoothManager.getAdapter();if (mBluetoothAdapter == null) {Log.e(TAG, "Unable to obtain a BluetoothAdapter.");return false;}return true;}/** * Connects to the GATT server hosted on the Bluetooth LE device. *  * @param address *            The device address of the destination device. *  * @return Return true if the connection is initiated successfully. The *         connection result is reported asynchronously through the *         {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)} *         callback. */public boolean connect(final String address, int sBluetoothGatt) {if (mBluetoothAdapter == null || address == null) {Log.w(TAG,"BluetoothAdapter not initialized or unspecified address.");return false;}// Previously connected device. Try to reconnect.Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");switch (sBluetoothGatt) {case 0:if (mBluetoothDeviceAddress != null&& address.equals(mBluetoothDeviceAddress)) {if (mBluetoothGatt.connect()) {mConnectionState = STATE_CONNECTING;return true;} else {return false;}}case 1:if (mBluetoothDeviceAddress1 != null&& address.equals(mBluetoothDeviceAddress1)) {if (mBluetoothGatt2.connect()) {mConnectionState = STATE_CONNECTING;return true;} else {return false;}}case 2:if (mBluetoothDeviceAddress2 != null&& address.equals(mBluetoothDeviceAddress2)) {if (mBluetoothGatt3.connect()) {mConnectionState = STATE_CONNECTING;return true;} else {return false;}}case 3:if (mBluetoothDeviceAddress3 != null&& address.equals(mBluetoothDeviceAddress3)) {if (mBluetoothGatt4.connect()) {mConnectionState = STATE_CONNECTING;return true;} else {return false;}}case 4:if (mBluetoothDeviceAddress4 != null&& address.equals(mBluetoothDeviceAddress4)) {if (mBluetoothGatt5.connect()) {mConnectionState = STATE_CONNECTING;return true;} else {return false;}}default:break;// }}final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);if (device == null) {Log.w(TAG, "Device not found.  Unable to connect.");return false;}// We want to directly connect to the device, so we are setting the// autoConnect// parameter to false.if (sBluetoothGatt == 1) {mBluetoothGatt = device.connectGatt(this, false, mGattCallback);mBluetoothDeviceAddress = address;} else if (sBluetoothGatt == 2) {mBluetoothGatt2 = device.connectGatt(this, false, mGattCallback1);mBluetoothDeviceAddress1 = address;} else if (sBluetoothGatt == 3) {mBluetoothGatt3 = device.connectGatt(this, false, mGattCallback2);mBluetoothDeviceAddress2 = address;} else if (sBluetoothGatt == 4) {mBluetoothGatt4 = device.connectGatt(this, false, mGattCallback3);mBluetoothDeviceAddress3 = address;} else if (sBluetoothGatt == 5) {mBluetoothGatt5 = device.connectGatt(this, false, mGattCallback4);mBluetoothDeviceAddress4 = address;}Log.d(TAG, "Trying to create a new connection.");mConnectionState = STATE_CONNECTING;return true;}public void writeLlsAlertLevel(String iDevice, int iAlertLevel, int rank,byte[] bb, int index) {BluetoothGatt mBluetoothGatt30 = null;if (index == 0) {mBluetoothGatt30 = mBluetoothGatt;} else if (index == 1) {mBluetoothGatt30 = mBluetoothGatt2;} else if (index == 2) {mBluetoothGatt30 = mBluetoothGatt3;} else if (index == 3) {mBluetoothGatt30 = mBluetoothGatt4;} else if (index == 4) {mBluetoothGatt30 = mBluetoothGatt5;}Log.i("iDevice", iDevice);if (mBluetoothGatt30 != null) {BluetoothGattService linkLossService = mBluetoothGatt30.getService(SERVIE_UUID);if (linkLossService == null) {showMessage("link loss Alert service not found!");return;}// enableBattNoti(iDevice);BluetoothGattCharacteristic alertLevel = null;switch (iAlertLevel) {case 1: // redalertLevel = linkLossService.getCharacteristic(RED_LIGHT_CONTROL_UUID);break;case 2: // redalertLevel = linkLossService.getCharacteristic(GREED_LIGHT_CONTROL_UUID);break;case 3: // redalertLevel = linkLossService.getCharacteristic(BLUE_LIGHT_CONTROL_UUID);break;case 4: // redalertLevel = linkLossService.getCharacteristic(WHITE_LIGHT_CONTROL_UUID);break;case 5: // 特殊alertLevel = linkLossService.getCharacteristic(WRGB_LIGHT_CONTROL_UUID);break;case 6: // 渐变alertLevel = linkLossService.getCharacteristic(SHADE_CONTROL_UUID);break;default:break;}if (alertLevel == null) {showMessage("link loss Alert Level charateristic not found!");return;}boolean status = false;int storedLevel = alertLevel.getWriteType();Log.d(TAG, "storedLevel() - storedLevel=" + storedLevel);switch (rank) {case 1:// byte[] b = new byte[1]; // 红色// b[0] = (byte) bb[0];// alertLevel.setValue(b);// Log.e("对灯发送指令改变颜色", "b0   " + b[0]);BluetoothGattService disService = mBluetoothGatt30.getService(SERVIE_UUID);BluetoothGattCharacteristic firmwareIdcharc = disService.getCharacteristic(WRGB_LIGHT_CONTROL_UUID);mBluetoothGatt30.readCharacteristic(firmwareIdcharc);return;case 4:// 调色byte[] b3 = new byte[1];b3[0] = (byte) bb[3];alertLevel.setValue(b3);Log.e("对灯发送指令改变颜色", "b3  " + b3[0]);break;case 5:// 调色// byte[] b4 = new byte[1];// b3[0] = (byte) bb[3];alertLevel.setValue(bb);Log.e("对灯发送指令改变颜色", "b5");break;}// try {// Thread.sleep(50);// } catch (InterruptedException e) {// // TODO Auto-generated catch block// e.printStackTrace();// }// sharedata.putInt("byte1", bb[0]);// sharedata.putInt("byte2", bb[1]);// sharedata.putInt("byte3", bb[2]);// sharedata.putInt("byte4", bb[3]);// sharedata.commit();alertLevel.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE);status = mBluetoothGatt30.writeCharacteristic(alertLevel);Log.d(TAG, "writeLlsAlertLevel() - status=" + status);}}/** * Disconnects an existing connection or cancel a pending connection. The * disconnection result is reported asynchronously through the * {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)} * callback. */public void disconnect(int i) {switch (i) {case 0:if (mBluetoothAdapter == null || mBluetoothGatt == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt.disconnect();break;case 1:if (mBluetoothAdapter == null || mBluetoothGatt2 == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt2.disconnect();break;case 2:if (mBluetoothAdapter == null || mBluetoothGatt3 == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt3.disconnect();break;case 3:if (mBluetoothAdapter == null || mBluetoothGatt4 == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt4.disconnect();break;case 4:if (mBluetoothAdapter == null || mBluetoothGatt5 == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt5.disconnect();break;}// 关闭服务close(i);}/** * After using a given BLE device, the app must call this method to ensure * resources are released properly. */public void close(int i) {switch (i) {case 0:if (mBluetoothGatt == null) {return;}mBluetoothGatt.close();//mBluetoothGatt = null;break;case 1:if (mBluetoothGatt2 == null) {return;}mBluetoothGatt2.close();//mBluetoothGatt2 = null;break;case 2:if (mBluetoothGatt3 == null) {return;}mBluetoothGatt3.close();//mBluetoothGatt3 = null;break;case 3:if (mBluetoothGatt4 == null) {return;}mBluetoothGatt4.close();//mBluetoothGatt4 = null;break;case 4:if (mBluetoothGatt5 == null) {return;}mBluetoothGatt5.close();//mBluetoothGatt5 = null;break;}}/** * Request a read on a given {@code BluetoothGattCharacteristic}. The read * result is reported asynchronously through the * {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)} * callback. *  * @param characteristic *            The characteristic to read from. */public void readCharacteristic(BluetoothGattCharacteristic characteristic) {if (mBluetoothAdapter == null || mBluetoothGatt == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt.readCharacteristic(characteristic);}/** * Enables or disables notification on a give characteristic. *  * @param characteristic *            Characteristic to act on. * @param enabled *            If true, enable notification. False otherwise. */public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {if (mBluetoothAdapter == null || mBluetoothGatt == null) {Log.w(TAG, "BluetoothAdapter not initialized");return;}mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);// This is specific to Heart Rate Measurement.if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {BluetoothGattDescriptor descriptor = characteristic.getDescriptor(UUID.fromString(SampleGattAttributes.CLIENT_CHARACTERISTIC_CONFIG));descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);mBluetoothGatt.writeDescriptor(descriptor);}}/** * Retrieves a list of supported GATT services on the connected device. This * should be invoked only after {@code BluetoothGatt#discoverServices()} * completes successfully. *  * @return A {@code List} of supported services. */public List<BluetoothGattService> getSupportedGattServices() {if (mBluetoothGatt != null) {return mBluetoothGatt.getServices();// } else if (mBluetoothGatt2 != null) {// return mBluetoothGatt2.getServices();// }}return null;}private void showMessage(String msg) {Log.e(TAG, msg);}public void setActivityHandler(Handler mHandler) {Log.d(TAG, "Activity Handler set");mActivityHandler = mHandler;}public void setDeviceListHandler(Handler mHandler) {Log.d(TAG, "Device List Handler set");mDeviceListHandler = mHandler;}}