Example usage for android.bluetooth BluetoothGattService getCharacteristics

Introduction

In this page you can find the example usage for android.bluetooth BluetoothGattService getCharacteristics.

Prototype

public List<BluetoothGattCharacteristic> getCharacteristics() 

Source Link

Document

Returns a list of characteristics included in this service.

Usage

From source file:com.junkchen.blelib.sample.BleScanActivity.java

private void setBleServiceListener() {
    mBleService.setOnServicesDiscoveredListener(new BleService.OnServicesDiscoveredListener() {
        @Override/*from  w  w w. j  a v a 2 s . c  o  m*/
        public void onServicesDiscovered(BluetoothGatt gatt, int status) {
            if (status == BluetoothGatt.GATT_SUCCESS) {
                gattServiceList = gatt.getServices();
                characteristicList = new ArrayList<>();
                serviceList.clear();
                for (BluetoothGattService service : gattServiceList) {
                    String serviceUuid = service.getUuid().toString();
                    serviceList.add(MyGattAttributes.lookup(serviceUuid, "Unknown") + "\n" + serviceUuid);
                    Log.i(TAG, MyGattAttributes.lookup(serviceUuid, "Unknown") + "\n" + serviceUuid);

                    List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
                    String[] charArra = new String[characteristics.size()];
                    for (int i = 0; i < characteristics.size(); i++) {
                        String charUuid = characteristics.get(i).getUuid().toString();
                        charArra[i] = MyGattAttributes.lookup(charUuid, "Unknown") + "\n" + charUuid;
                    }
                    characteristicList.add(charArra);
                }
                mHandler.sendEmptyMessage(SERVICE_SHOW);
            }
        }
    });
    //        //Ble??
    //        mBleService.setOnLeScanListener(new BleService.OnLeScanListener() {
    //            @Override
    //            public void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord) {
    //                //???Ble?????
    //            }
    //        });
    //        //Ble
    //        mBleService.setOnConnectListener(new BleService.OnConnectListener() {
    //            @Override
    //            public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
    //                if (newState == BluetoothProfile.STATE_DISCONNECTED) {
    //                    //Ble
    //                } else if (newState == BluetoothProfile.STATE_CONNECTING) {
    //                    //Ble
    //                } else if (newState == BluetoothProfile.STATE_CONNECTED) {
    //                    //Ble
    //                } else if (newState == BluetoothProfile.STATE_DISCONNECTING) {
    //                    //Ble
    //                }
    //            }
    //        });
    //        //Ble??
    //        mBleService.setOnServicesDiscoveredListener(new BleService.OnServicesDiscoveredListener() {
    //            @Override
    //            public void onServicesDiscovered(BluetoothGatt gatt, int status) {
    //
    //            }
    //        });
    //        //Ble?
    //        mBleService.setOnDataAvailableListener(new BleService.OnDataAvailableListener() {
    //            @Override
    //            public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
    //                //???
    //            }
    //
    //            @Override
    //            public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
    //                //??
    //            }
    //        @Override
    //        public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
    //
    //        }
    //        });

    mBleService.setOnReadRemoteRssiListener(new BleService.OnReadRemoteRssiListener() {
        @Override
        public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
            Log.i(TAG, "onReadRemoteRssi: rssi = " + rssi);
        }
    });
}

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From source file:com.example.android.bluetoothlegatt.DeviceControlActivity.java

private boolean bluetoothLookup(BluetoothGattService gattService, String readCharacteristicUuid,
        String writeCharacteristicUuid, String notifyCharacteristicUuid) {
    for (BluetoothGattCharacteristic characteristic : gattService.getCharacteristics()) {
        final String uuid = characteristic.getUuid().toString();
        Log.d(TAG,/*from   w  w  w  .  j a v  a  2 s .  c  om*/
                "characteristic " + uuid.substring(4, 8) + ": " + Util.isCharacteristicReadable(characteristic)
                        + " " + Util.isCharacteristicWritable(characteristic) + " "
                        + Util.isCharacteristicNotifiable(characteristic));

        if (uuid.toString().equalsIgnoreCase(readCharacteristicUuid)
                && Util.isCharacteristicReadable(characteristic)) {
            Log.d(TAG, "Setup characteristic read " + uuid.substring(4, 8));
            mReadCharacteristic = characteristic;
            // If there is an active notification on a characteristic, clear
            // it first so it doesn't update the data field on the user interface.
            if (mNotifyCharacteristic != null) {
                mBluetoothLeService.setCharacteristicNotification(mNotifyCharacteristic, false);
                mNotifyCharacteristic = null;
            }
        }
        if (uuid.toString().equalsIgnoreCase((writeCharacteristicUuid))
                && Util.isCharacteristicWritable(characteristic)) {
            Log.d(TAG, "Setup characteristic write " + uuid.substring(4, 8));
            mWriteCharacteristic = characteristic;
        }
        if (uuid.toString().equalsIgnoreCase(notifyCharacteristicUuid)
                && Util.isCharacteristicNotifiable(characteristic)) {
            Log.d(TAG, "Setup characteristic notify " + uuid.substring(4, 8));
            mNotifyCharacteristic = characteristic;
            mBluetoothLeService.setCharacteristicNotification(mNotifyCharacteristic, true);
        }
    }
    return (mReadCharacteristic != null && mWriteCharacteristic != null);
}

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From source file:com.mikroe.hexiwear_android.DeviceScanActivity.java

private void displayGattServices(List<List<BluetoothGattService>> devicesGattServices) {
    if (devicesGattServices == null)
        return;//from  w ww .  j a  va  2s. c o m

    String uuid = null;
    ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
    ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData = new ArrayList<ArrayList<HashMap<String, String>>>();
    ArrayList<ArrayList<BluetoothGattCharacteristic>> tempGattCharacteristics = new ArrayList<>();
    mGattsCharacteristics.clear();

    for (List<BluetoothGattService> gattServices : devicesGattServices) {
        // Loops through available GATT Services.
        for (BluetoothGattService gattService : gattServices) {
            HashMap<String, String> currentServiceData = new HashMap<String, String>();
            uuid = gattService.getUuid().toString();
            currentServiceData.put(LIST_UUID, uuid);
            gattServiceData.add(currentServiceData);

            ArrayList<HashMap<String, String>> gattCharacteristicGroupData = new ArrayList<HashMap<String, String>>();
            List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
            ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

            // Loops through available Characteristics.
            for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {

                charas.add(gattCharacteristic);
                HashMap<String, String> currentCharaData = new HashMap<String, String>();
                uuid = gattCharacteristic.getUuid().toString();
                if (uuid.equals(UUID_CHAR_ALERTIN)) {
                    alertInCharacteristic = gattCharacteristic;
                    byte[] value = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
                    alertInCharacteristic.setValue(value);
                }
                currentCharaData.put(LIST_UUID, uuid);
                gattCharacteristicGroupData.add(currentCharaData);
            }
            tempGattCharacteristics.add(charas);
            gattCharacteristicData.add(gattCharacteristicGroupData);
        }
        mGattsCharacteristics.add(tempGattCharacteristics);
    }
    mHandler.postDelayed(new Runnable() {
        @Override
        public void run() {
            Intent intent = new Intent(DeviceScanActivity.this, MainScreenActivity.class);
            startActivity(intent);
        }
    }, 1500);
}

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From source file:kr.ac.kaist.resl.sensorservice.BluetoothService.java

private boolean readCharacteristics(BluetoothGatt gatt) {
    if (null == gatt)
        return false;

    String deviceName = gatt.getDevice().getName();
    List<BluetoothGattService> gattServices = gatt.getServices();

    if (gattServices == null)
        return false;

    String unknownServiceString = getResources().getString(R.string.unknown_service);
    String unknownCharaString = getResources().getString(R.string.unknown_characteristic);

    // Find the device node from device-service-characteristic tree
    Node<String> deviceNode = null;
    for (Node<String> node : device_service_characteristicTree.getChildren()) {
        if (node.data.equals(deviceName)) {
            deviceNode = node;/*from  www.ja  va2  s.  c o m*/
            break;
        }
    }

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        String serviceUuid = gattService.getUuid().toString();
        String serviceName = SampleGattAttributes.lookup(serviceUuid, unknownServiceString);

        // Find desired service
        for (Node<String> serviceNode : deviceNode.getChildren()) {
            if (serviceName.equals(serviceNode.data)) {
                List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();

                // Loops through available Characteristics.
                for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
                    String characteristicUuid = gattCharacteristic.getUuid().toString();
                    String characteristicName = SampleGattAttributes.lookup(characteristicUuid,
                            unknownCharaString);

                    // Find desired characteristic of selected service
                    for (Node<String> characteristicNode : serviceNode.getChildren()) {
                        if (characteristicName.equals(characteristicNode.data)) {
                            Log.i(null, "FOUND DESIRED characteristic!!!");
                            readCharacteristic(gatt, gattCharacteristic);
                            break;
                        }
                    }

                }
            }
        }
    }
    return true;

}

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From source file:undot.safedrivers.BLE.BluetoothLeService.java

private void getGattServices(List<BluetoothGattService> gattServices) {
    if (gattServices == null)
        return;//  w  w  w  .  j  av  a 2s .  c  o m
    String uuid = null;
    mModelNumberCharacteristic = null;
    mSerialPortCharacteristic = null;
    mCommandCharacteristic = null;
    mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        uuid = gattService.getUuid().toString();
        System.out.println("displayGattServices + uuid=" + uuid);

        List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
        ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

        // Loops through available Characteristics.
        for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
            charas.add(gattCharacteristic);
            uuid = gattCharacteristic.getUuid().toString();
            if (uuid.equals(ModelNumberStringUUID)) {
                mModelNumberCharacteristic = gattCharacteristic;
                System.out.println(
                        "mModelNumberCharacteristic  " + mModelNumberCharacteristic.getUuid().toString());
            } else if (uuid.equals(SerialPortUUID)) {
                mSerialPortCharacteristic = gattCharacteristic;
                System.out.println(
                        "mSerialPortCharacteristic  " + mSerialPortCharacteristic.getUuid().toString());
                //                    updateConnectionState(R.string.comm_establish);
            } else if (uuid.equals(CommandUUID)) {
                mCommandCharacteristic = gattCharacteristic;
                System.out.println(
                        "mSerialPortCharacteristic  " + mSerialPortCharacteristic.getUuid().toString());
                //                    updateConnectionState(R.string.comm_establish);
            }
        }
        mGattCharacteristics.add(charas);
    }

    if (mModelNumberCharacteristic == null || mSerialPortCharacteristic == null
            || mCommandCharacteristic == null) {
        Log.d("charactaristics", "null");
        Toast.makeText(getApplicationContext(), "characteristics null", Toast.LENGTH_SHORT);
    } else {
        mSCharacteristic = mModelNumberCharacteristic;
        setCharacteristicNotification(mSCharacteristic, true);
        readCharacteristic(mSCharacteristic);
    }

}

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From source file:com.example.bluetoothlegatt.DeviceControlActivity.java

private void displayGattServices(List<BluetoothGattService> gattServices) {
    if (gattServices == null)
        return;/*from  w  w w  . j  av a2s  . c  om*/
    String uuid = null;
    String unknownServiceString = getResources().getString(R.string.unknown_service);
    String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
    ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
    ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData = new ArrayList<ArrayList<HashMap<String, String>>>();
    mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        HashMap<String, String> currentServiceData = new HashMap<String, String>();
        uuid = gattService.getUuid().toString();
        currentServiceData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownServiceString));
        currentServiceData.put(LIST_UUID, uuid);
        gattServiceData.add(currentServiceData);

        ArrayList<HashMap<String, String>> gattCharacteristicGroupData = new ArrayList<HashMap<String, String>>();
        List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
        ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

        // Loops through available Characteristics.
        for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
            charas.add(gattCharacteristic);
            HashMap<String, String> currentCharaData = new HashMap<String, String>();
            uuid = gattCharacteristic.getUuid().toString();
            currentCharaData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownCharaString));
            currentCharaData.put(LIST_UUID, uuid);
            gattCharacteristicGroupData.add(currentCharaData);
        }
        mGattCharacteristics.add(charas);
        gattCharacteristicData.add(gattCharacteristicGroupData);
    }

    SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(this, gattServiceData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 }, gattCharacteristicData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 });
    mGattServicesList.setAdapter(gattServiceAdapter);
}

---

From source file:com.touchKin.touchkinapp.DeviceControlActivity.java

private void displayGattServices(List<BluetoothGattService> gattServices) {
    if (gattServices == null)
        return;/*  w ww.  ja  v a  2  s .  c  om*/
    String uuid = null;
    String unknownServiceString = getResources().getString(R.string.unknown_service);
    String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
    ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
    ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData = new ArrayList<ArrayList<HashMap<String, String>>>();
    mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        HashMap<String, String> currentServiceData = new HashMap<String, String>();
        uuid = gattService.getUuid().toString();
        currentServiceData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownServiceString));
        currentServiceData.put(LIST_UUID, uuid);
        gattServiceData.add(currentServiceData);

        ArrayList<HashMap<String, String>> gattCharacteristicGroupData = new ArrayList<HashMap<String, String>>();
        List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
        ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

        // Loops through available Characteristics.
        characteristicTX = gattService
                .getCharacteristic(UUID.fromString("00001525-1212-efde-1523-785feabcd123"));
        characteristicRX = gattService
                .getCharacteristic(UUID.fromString("00001525-1212-efde-1523-785feabcd123"));
        for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
            charas.add(gattCharacteristic);
            HashMap<String, String> currentCharaData = new HashMap<String, String>();
            uuid = gattCharacteristic.getUuid().toString();
            currentCharaData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownCharaString));
            currentCharaData.put(LIST_UUID, uuid);
            gattCharacteristicGroupData.add(currentCharaData);
        }
        mGattCharacteristics.add(charas);
        gattCharacteristicData.add(gattCharacteristicGroupData);
    }

    SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(this, gattServiceData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 }, gattCharacteristicData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 });
    mGattServicesList.setAdapter(gattServiceAdapter);
}

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From source file:org.zpcat.ble.ui.central.DeviceControlActivity.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private void displayGattServices(List<BluetoothGattService> gattServices) {
    Log.d("displayGATTServices");

    if (gattServices == null)
        return;/*from w ww. j ava 2s.  c om*/
    String uuid = null;
    String unknownServiceString = getResources().getString(R.string.unknown_service);
    String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
    ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
    ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData = new ArrayList<ArrayList<HashMap<String, String>>>();
    mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        HashMap<String, String> currentServiceData = new HashMap<String, String>();
        uuid = gattService.getUuid().toString();
        currentServiceData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownServiceString));
        currentServiceData.put(LIST_UUID, uuid);
        gattServiceData.add(currentServiceData);

        ArrayList<HashMap<String, String>> gattCharacteristicGroupData = new ArrayList<HashMap<String, String>>();
        List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
        ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

        // Loops through available Characteristics.
        for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
            charas.add(gattCharacteristic);
            HashMap<String, String> currentCharaData = new HashMap<String, String>();
            uuid = gattCharacteristic.getUuid().toString();
            currentCharaData.put(LIST_NAME, SampleGattAttributes.lookup(uuid, unknownCharaString));
            currentCharaData.put(LIST_UUID, uuid);
            gattCharacteristicGroupData.add(currentCharaData);
        }
        mGattCharacteristics.add(charas);
        gattCharacteristicData.add(gattCharacteristicGroupData);
    }

    SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(this, gattServiceData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 }, gattCharacteristicData,
            android.R.layout.simple_expandable_list_item_2, new String[] { LIST_NAME, LIST_UUID },
            new int[] { android.R.id.text1, android.R.id.text2 });
    mGattServicesList.setAdapter(gattServiceAdapter);
}

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From source file:com.megster.cordova.ble.central.Peripheral.java

private BluetoothGattCharacteristic findWritableCharacteristic(BluetoothGattService service,
        UUID characteristicUUID, int writeType) {
    BluetoothGattCharacteristic characteristic = null;

    // get write property
    int writeProperty = BluetoothGattCharacteristic.PROPERTY_WRITE;
    if (writeType == BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE) {
        writeProperty = BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE;
    }/*  w  w w .j a v  a2  s.co  m*/

    List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
    for (BluetoothGattCharacteristic c : characteristics) {
        if ((c.getProperties() & writeProperty) != 0 && characteristicUUID.equals(c.getUuid())) {
            characteristic = c;
            break;
        }
    }

    // As a last resort, try and find ANY characteristic with this UUID, even if it doesn't have the correct properties
    if (characteristic == null) {
        characteristic = service.getCharacteristic(characteristicUUID);
    }

    return characteristic;
}

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From source file:com.example.ecgfile.DeviceControlActivity.java

@SuppressLint("SimpleDateFormat")
private void getGattServices(List<BluetoothGattService> gattServices) {
    System.out.println("getGattServices");
    if (gattServices == null) {
        System.out.println("getGattServices null ");
        return;/*from  ww w  . ja  v  a2  s.c o  m*/
    }
    String uuid = null;

    // Loops through available GATT Services.
    for (BluetoothGattService gattService : gattServices) {
        uuid = gattService.getUuid().toString();
        if (uuid.equals("0000ffe0-0000-1000-8000-00805f9b34fb")
                || uuid.equals("0000ffe5-0000-1000-8000-00805f9b34fb")) { // 2uuid service

            List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
            ArrayList<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();

            // Loops through available Characteristics.
            for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
                charas.add(gattCharacteristic);
                uuid = gattCharacteristic.getUuid().toString();
                if (uuid.equals("0000ffe4-0000-1000-8000-00805f9b34fb")) {
                    mNotifyCharacteristic = gattCharacteristic;
                    Toast.makeText(getApplicationContext(), "", Toast.LENGTH_SHORT).show();
                }
                if (uuid.equals("0000ffe9-0000-1000-8000-00805f9b34fb")) {
                    mNCharW = gattCharacteristic;
                }
            }
        }
    }
}

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