Example usage for android.bluetooth BluetoothGattCharacteristic getDescriptor

List of usage examples for android.bluetooth BluetoothGattCharacteristic getDescriptor

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Introduction

In this page you can find the example usage for android.bluetooth BluetoothGattCharacteristic getDescriptor.

Prototype

public BluetoothGattDescriptor getDescriptor(UUID uuid)

Source Link

Document

Returns a descriptor with a given UUID out of the list of descriptors for this characteristic.

Usage

From source file:com.guangyao.bluetoothtest.service.BluetoothLeService.java

/**
 * @brief enableTXNotification/* ww  w  .j  av a 2  s .c  o  m*/
 */
@SuppressLint("InlinedApi")
public void enableTXNotification() {
    BluetoothGattService RxService = mBluetoothGatt.getService(RX_SERVICE_UUID);
    if (RxService == null) {
        return;
    }

    BluetoothGattCharacteristic TxChar = RxService.getCharacteristic(TX_CHAR_UUID);
    if (TxChar == null) {
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(TxChar, true);
    BluetoothGattDescriptor descriptor = TxChar.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}

From source file:com.ble.BLService.java

/**
 * Enables or disables notification on a give characteristic.
 * /*from   ww w .  j  a  v a  2  s .  c o m*/
 * @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);

    if (UUID_STM32_ACCELEROMETER_PARAMETER.equals(characteristic.getUuid())) {
        BluetoothGattDescriptor descriptor = characteristic
                .getDescriptor(UUID.fromString(BLGattAttributes.STM32_ACCELEROMETER_PARAMETER));
        descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        mBluetoothGatt.writeDescriptor(descriptor);
    }

    if (UUID_STM32_WRITE_TO_DEVICE.equals(characteristic.getUuid())) {
        BluetoothGattDescriptor descriptor = characteristic
                .getDescriptor(UUID.fromString(BLGattAttributes.STM32_WRITE_TO_DEVICE));
        descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        mBluetoothGatt.writeDescriptor(descriptor);
    }

}

From source file:com.chenls.smartlock.UartService.java

/**
 * ?//from   ww  w.  j  av a 2 s.  c  o m
 * Enable TXNotification
 *
 * @return
 */
public void enableTXNotification() {

    if (mBluetoothGatt == null) {
        showMessage("mBluetoothGatt null" + mBluetoothGatt);
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }

    BluetoothGattService RxService = mBluetoothGatt.getService(RX_SERVICE_UUID);
    if (RxService == null) {
        showMessage("Rx service not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    BluetoothGattCharacteristic TxChar = RxService.getCharacteristic(TX_CHAR_UUID);
    if (TxChar == null) {
        showMessage("Tx charateristic not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    //characteristic??
    mBluetoothGatt.setCharacteristicNotification(TxChar, true);

    BluetoothGattDescriptor descriptor = TxChar.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);

}

From source file:com.cqupt.sensor_ble.activity.UartService.java

/**
 * ?//from   w  w  w  .  j  a  va 2  s . co  m
 * Enable TXNotification
 */
public void enableTXNotification() {

    if (mBluetoothGatt == null) {
        showMessage("mBluetoothGatt null");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }

    BluetoothGattService RxService = mBluetoothGatt.getService(RX_SERVICE_UUID);
    if (RxService == null) {
        showMessage("Rx service not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    BluetoothGattCharacteristic TxChar = RxService.getCharacteristic(TX_CHAR_UUID);
    if (TxChar == null) {
        showMessage("Tx characteristic not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    //characteristic??
    mBluetoothGatt.setCharacteristicNotification(TxChar, true);

    BluetoothGattDescriptor descriptor = TxChar.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);

}

From source file:com.example.bluetoothmodule.TreadmillService.java

private void Enable_HeartRate_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(HR_SERVICE_UUID);
    if (TreadmillService == null) {
        showMessage("HR_SERVICE service not found!");
        return;// ww w .  j  a v a 2s. c  o  m
    }
    Log.i("Chandler", "Hr_SERVICE_UUID");
    BluetoothGattCharacteristic Characteristic = TreadmillService.getCharacteristic(UUID_HR_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("Hr charateristic not found!");
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}

From source file:com.example.bluetoothmodule.TreadmillService.java

private void Enable_SPEED_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("TREADMILL_SERVICE service not found!");
        return;/*from   w  w w . j  a  v a 2s. c  om*/
    }
    BluetoothGattCharacteristic Characteristic = TreadmillService.getCharacteristic(UUID_SPEED_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("SPEED charateristic not found!");
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}

From source file:org.bcsphere.bluetooth.BluetoothG43plus.java

@Override
public void setNotification(JSONArray json, CallbackContext callbackContext) {
    Log.i(TAG, "setNotification");
    String deviceAddress = Tools.getData(json, Tools.DEVICE_ADDRESS);
    if (connectedDevice.get(deviceAddress) == null) {
        Tools.sendErrorMsg(callbackContext);
        return;/*w  ww. j  a v a2s  .c om*/
    }
    int serviceIndex = Integer.parseInt(Tools.getData(json, Tools.SERVICE_INDEX));
    int characteristicIndex = Integer.parseInt(Tools.getData(json, Tools.CHARACTERISTIC_INDEX));
    String enable = Tools.getData(json, Tools.ENABLE);
    BluetoothGattCharacteristic characteristic = deviceServices.get(deviceAddress).get(serviceIndex)
            .getCharacteristics().get(characteristicIndex);
    BluetoothGattDescriptor descriptor = characteristic.getDescriptor(Tools.NOTIFICATION_UUID);
    if (enable.equals("true")) {
        setNotificationCC.put(characteristic, callbackContext);
        if (Tools.lookup(characteristic.getProperties(), BluetoothGattCharacteristic.PROPERTY_NOTIFY) != null) {
            descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        } else {
            descriptor.setValue(BluetoothGattDescriptor.ENABLE_INDICATION_VALUE);
        }
        mBluetoothGatts.get(deviceAddress).writeDescriptor(descriptor);
        mBluetoothGatts.get(deviceAddress).setCharacteristicNotification(characteristic, true);
        recordServiceIndex.put(characteristic, serviceIndex);
        recordCharacteristicIndex.put(characteristic, characteristicIndex);

    } else {
        descriptor.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
        mBluetoothGatts.get(deviceAddress).writeDescriptor(descriptor);
        mBluetoothGatts.get(deviceAddress).setCharacteristicNotification(characteristic, false);
        Tools.sendSuccessMsg(callbackContext);
        setNotificationCC.remove(characteristic);
        recordServiceIndex.remove(characteristic);
        recordCharacteristicIndex.remove(characteristic);
    }
}

From source file:com.example.bluetoothmodule.TreadmillService.java

private void Enable_INCLINE_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("TREADMILL_SERVICE service not found!");
        return;//from   w w w . ja  va2 s .  com
    }
    BluetoothGattCharacteristic Characteristic = TreadmillService
            .getCharacteristic(UUID_INCLINE_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("SPEED charateristic not found!");
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}

From source file:com.example.bluetoothmodule.TreadmillService.java

private void Enable_SportTime_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("TREADMILL_SERVICE service not found!");
        return;/*from   w w w .  j  a v a 2 s  .c  o  m*/
    }
    BluetoothGattCharacteristic Characteristic = TreadmillService
            .getCharacteristic(UUID_SPORT_TIME_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("SPEED charateristic not found!");
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}

From source file:com.example.bluetoothmodule.TreadmillService.java

private void Enable_SportDistance_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("TREADMILL_SERVICE service not found!");
        return;/* ww  w.ja v  a2s.co m*/
    }
    BluetoothGattCharacteristic Characteristic = TreadmillService
            .getCharacteristic(UUID_SPORT_DISTANCE_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("SPEED charateristic not found!");
        return;
    }
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    mBluetoothGatt.writeDescriptor(descriptor);
}