BeneCheck 使用蓝牙模块 BLE 获取血糖尿酸胆固醇数据 李国帅 于2016-8-28 按说明书检查编码器，插入试纸，启动app，滴血检验，检测结果会通过notify的形式传递到蓝牙的接收回调 函数onCharacteristicChanged中。 package com.example.glucoseexample; import java.util.UUID; import android.app.Activity; 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.BluetoothGattService; import android.bluetooth.BluetoothProfile; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.widget.TextView; public class MainActivity extends Activity { private MainActivity thisContext; private TextView device_info; private String device_log; private BluetoothAdapter btAdapt; private BluetoothGatt mBluetoothGatt; private BluetoothDevice mbtDev; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); thisContext = this; btAdapt = BluetoothAdapter.getDefaultAdapter(); IntentFilter intent = new IntentFilter(); intent.addAction(BluetoothDevice.ACTION_FOUND); intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); 

intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED); intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); registerReceiver(searchDevices, intent); device_info = (TextView) findViewById(R.id.device_info); if (btAdapt.getState() == BluetoothAdapter.STATE_OFF) { device_log = "" + "蓝牙未打开\n"; } else if (btAdapt.getState() == BluetoothAdapter.STATE_ON) { device_log = "" + "蓝牙已打开\n"; } device_info.setText(device_log); Log.e("ble", "startDiscovery"); btAdapt.startDiscovery(); } private BroadcastReceiver searchDevices = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (BluetoothDevice.ACTION_FOUND.equals(action)) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); String str = device.getName() + "|" + device.getAddress(); if (str.indexOf("BeneCheck") != -1) { String[] values = str.split("\\|"); String address = values[1]; Log.e("address", values[1]); mbtDev = btAdapt.getRemoteDevice(address); mBluetoothGatt = mbtDev.connectGatt(thisContext, true, mGattCallback); } } } }; @Override protected void onDestroy() { Log.e("ble", "onDestroy"); if (btAdapt != null && btAdapt.isDiscovering()) { btAdapt.cancelDiscovery(); } if (mBluetoothGatt != null && mBluetoothGatt.connect()) { mBluetoothGatt.disconnect(); } this.unregisterReceiver(searchDevices); super.onDestroy(); android.os.Process.killProcess(android.os.Process.myPid()); } private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() { 

@Override public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) { super.onCharacteristicChanged(gatt, characteristic); byte[] bVal = characteristic.getValue(); int base = (((bVal[11] & 0x0F) << 8) + (bVal[10] & 0xFF)); int comp = ((byte) (bVal[11] ^ 0xff) >> 4) + 1; if ((bVal[11] & 0x80) == 0x80) comp = (-1) * comp; Double dVal = (double) (base * Math.pow(10, comp) * 1000); String value = "特征值改变回调："; if (bVal[1] == 0x41)// 血糖 { value = value + " 血糖=" + dVal.toString(); } else if (bVal[1] == 0x51)// 尿酸 { value = value + "尿酸=" + dVal.toString(); } else if (bVal[1] == 0x61)// 胆固醇 { value = value + "胆固醇=" + dVal.toString(); } Message msg = new Message(); msg.obj = value; mHandler.sendMessage(msg); } @Override public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) { if (newState == BluetoothProfile.STATE_CONNECTED) { Message msg = new Message(); msg.obj = "设备已连接"; mHandler.sendMessage(msg); gatt.discoverServices(); btAdapt.cancelDiscovery(); } else if (newState == BluetoothProfile.STATE_DISCONNECTED) { Message msg = new Message(); msg.obj = "设备已断开"; mHandler.sendMessage(msg); btAdapt.startDiscovery(); } } @Override public void onServicesDiscovered(BluetoothGatt gatt, int status) { 

super.onServicesDiscovered(gatt, status); if (status == BluetoothGatt.GATT_SUCCESS) { String value = "发现服务回调--Gatt"; Message msg = new Message(); msg.obj = value; mHandler.sendMessage(msg); testGlucoseNotification(); } } private void testGlucoseNotification() { String serviceUUID = "00001808-0000-1000-8000-00805F9B34FB";// BluetoothGattService mBluetoothGattService = mBluetoothGatt.getService(UUID.fromString(serviceUUID)); if (mBluetoothGattService != null) { Log.i("ble", "Service characteristic UUID found: " + mBluetoothGattService.getUuid().toString()); String characterUUID = "00002a18-0000-1000-8000-00805F9B34FB";// BluetoothGattCharacteristic bgcMeasurement = mBluetoothGattService .getCharacteristic(UUID.fromString(characterUUID)); mBluetoothGatt.setCharacteristicNotification(bgcMeasurement, true); String descriptUUID = "00002902-0000-1000-8000-00805F9B34FB";// BluetoothGattDescriptor descriptor = bgcMeasurement.getDescriptor(UUID.fromString(descriptUUID)); descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE); mBluetoothGatt.writeDescriptor(descriptor); } else { Log.i("ble", "Service characteristic not found for UUID: " + serviceUUID); } } }; private Handler mHandler = new Handler() { public void handleMessage(Message msg) { String strMsg = (String) msg.obj; Log.d("ble", strMsg); device_log = device_log + strMsg + "\n"; device_info.setText(device_log); } }; 

} 其他资料： onetouch 血糖仪用户指南 benecheck 血糖仪 BLE 分析公式