Example usage for android.bluetooth BluetoothGattDescriptor setValue

List of usage examples for android.bluetooth BluetoothGattDescriptor setValue

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Introduction

In this page you can find the example usage for android.bluetooth BluetoothGattDescriptor setValue.

Prototype

public boolean setValue(byte[] value)

Source Link

Document

Updates the locally stored value of this descriptor.

Usage

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

/**
 * Enables or disables notification on a give characteristic.
 *
 * @param characteristic Characteristic to act on.
 * @param enabled If true, enable notification.  False otherwise.
 *///from  www. j a  va  2 s.  co  m
public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {
    if (mBluetoothAdapter == null || mBluetoothGatt == null) {
        Log.w(TAG, "BluetoothAdapter not initialized");
        return;
    }

    if (!mBluetoothGatt.setCharacteristicNotification(characteristic, enabled)) {
        Log.e(TAG, "setCharacteristicNotification fail! enabled=" + enabled);
    }

    if ((UUID.fromString("0000fff4-0000-1000-8000-00805f9b34fb")).equals(characteristic.getUuid())) {
        //mBluetoothGatt.writeCharacteristic(characteristic);
        List<BluetoothGattDescriptor> descs = characteristic.getDescriptors();
        for (int i = 0; i < descs.size(); i++) {
            BluetoothGattDescriptor desc = descs.get(i);
            desc.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
            Log.d(TAG, "writeDescriptor notify, uuid=" + desc.getUuid().toString());
            mBluetoothGatt.writeDescriptor(desc);
        }
        //BluetoothGattDescriptor descriptor = characteristic.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
        //descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        //mBluetoothGatt.writeDescriptor(descriptor);
    }

    // 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);
    }
}

From source file:com.ble.BLService.java

/**
 * Enables or disables notification on a give characteristic.
 * //  w ww.j  a v a2 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.ec.android.module.bluetooth40.BluetoothLeService.java

public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {
    if (mBluetoothAdapter == null || mBluetoothGatt == null) {
        Log.w(TAG, "BluetoothAdapter not initialized");
        return;//from  w w  w. j av a2s .co  m
    }
    if (enabled == true) {
        mBluetoothGatt.setCharacteristicNotification(characteristic, true);
        BluetoothGattDescriptor descriptor = characteristic
                .getDescriptor(CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID);
        if (descriptor != null) {
            //??
            descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
            mBluetoothGatt.writeDescriptor(descriptor);
        }
    } else {
        mBluetoothGatt.setCharacteristicNotification(characteristic, false);
        BluetoothGattDescriptor descriptor = characteristic
                .getDescriptor(CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID);
        if (descriptor != null) {
            //??
            descriptor.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
            mBluetoothGatt.writeDescriptor(descriptor);
        }
    }

}

From source file:de.blinkt.openvpn.bluetooth.service.UartService.java

public void setDescriptor(BluetoothGattService rxService, UUID uuid) {
    CommonTools.delayTime(150);//w ww  . ja  v a  2 s.c om
    BluetoothGattCharacteristic TxChar = rxService.getCharacteristic(uuid);
    if (TxChar == null) {
        showMessage("Tx charateristic not found!");
        broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }

    //      final int rxProperties = TxChar.getProperties();
    //      boolean writeRequest = (rxProperties & BluetoothGattCharacteristic.PROPERTY_WRITE) > 0;
    //
    //      // Set the WRITE REQUEST type when the characteristic supports it. This will allow to send long write (also if the characteristic support it).
    //      // In case there is no WRITE REQUEST property, this manager will divide texts longer then 20 bytes into up to 20 bytes chunks.
    //      if (writeRequest)
    //         TxChar.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT);

    mBluetoothGatt.setCharacteristicNotification(TxChar, true);

    BluetoothGattDescriptor descriptor = TxChar.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
    //      mBluetoothGatt.readDescriptor(descriptor);
    mBluetoothGatt.writeDescriptor(descriptor);
    //??
    broadcastUpdate(FINDED_SERVICE);
}

From source file:com.cerevo.blueninja.blueninja_ble_example.MainActivity.java

/**
 * Characteristic?Notification?//from w w  w.  jav  a  2s .  c  o m
 */
private void disableBleNotification() {
    for (int i = 0; i < UUIDS_CHARACTERISTIC.length; i++) {
        BluetoothGattDescriptor desc = mCharacteristics[i]
                .getDescriptor(UUID.fromString(UUID_CLIENT_CHARACTERISTIC_CONFIG));
        desc.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
        mGatt.writeDescriptor(desc);
        if (!mGatt.setCharacteristicNotification(mCharacteristics[i], false)) {
            setStatus(AppState.BLE_NOTIF_REGISTER_FAILED);
        }
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    setStatus(AppState.BLE_NOTIF_REGISTERD);
}

From source file:com.cerevo.blueninja.blueninja_ble_example.MainActivity.java

/**
 * Characteristic?Notification?//  www .  j  av  a  2 s.c  o  m
 */
private void enableBleNotification() {
    for (int i = 0; i < UUIDS_CHARACTERISTIC.length; i++) {
        boolean reg = mGatt.setCharacteristicNotification(mCharacteristics[i], true);
        BluetoothGattDescriptor desc = mCharacteristics[i]
                .getDescriptor(UUID.fromString(UUID_CLIENT_CHARACTERISTIC_CONFIG));
        desc.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        mGatt.writeDescriptor(desc);

        if (!reg) {
            setStatus(AppState.BLE_NOTIF_REGISTER_FAILED);
            return;
        }
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    setStatus(AppState.BLE_NOTIF_REGISTERD);
}

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

/**
 * Enable TXNotification/*from w w w.j a  v  a  2 s.c  o m*/
 *
 * @return 
 */
private void enableTXNotification() {
    BluetoothGattService RxService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    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;
    }
    Log.i("Chandler", "RX_SERVICE_UUID");
    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_SPEED_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("TREADMILL_SERVICE service not found!");
        return;/* w  w w.  j  ava  2 s  .  c  o m*/
    }
    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: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.j  av a2s  .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   ww  w .j  a  v  a 2s .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);
}