Example usage for android.bluetooth BluetoothGattDescriptor ENABLE_NOTIFICATION

Introduction

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

Prototype

null ENABLE_NOTIFICATION_VALUE

To view the source code for android.bluetooth BluetoothGattDescriptor ENABLE_NOTIFICATION_VALUE.

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Document

Value used to enable notification for a client configuration descriptor

Usage

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

private void Enable_DISPLAY_STATE_CHARACTERISTIC_Notification() {
    BluetoothGattService TreadmillService = mBluetoothGatt.getService(UUID_TREADMILL_SERVICE);
    if (TreadmillService == null) {
        showMessage("Rx service not found!");
        //broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;//from ww  w  .j a va 2  s .co m
    }
    BluetoothGattCharacteristic Characteristic = TreadmillService
            .getCharacteristic(UUID_DISPLAY_STATE_CHARACTERISTIC);
    if (Characteristic == null) {
        showMessage("DISPLAY STATE charateristic not found!");
        //broadcastUpdate(DEVICE_DOES_NOT_SUPPORT_UART);
        return;
    }
    Log.i("Chandler", "UUID_DISPLAY_STATE_CHARACTERISTIC");
    mBluetoothGatt.setCharacteristicNotification(Characteristic, true);
    BluetoothGattDescriptor descriptor = Characteristic.getDescriptor(CCCD);
    descriptor.setValue(BluetoothGattDescriptor.ENABLE_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);//from w  w w .  j  a  v a 2  s .co  m
    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.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 ww .  j  a  v  a 2  s  .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:br.liveo.ndrawer.ui.activity.MainActivity.java

License:asdf

public int sendBlockingNotifySetting(bleRequest request) {
    request.status = bleRequestStatus.processing;
    int timeout = 0;
    if (request.characteristic == null) {
        return -1;
    }/*from ww  w . ja  v  a  2 s .  c o  m*/
    if (!checkGatt())
        return -2;

    if (mGatt.setCharacteristicNotification(request.characteristic, request.notifyenable)) {

        BluetoothGattDescriptor clientConfig = request.characteristic
                .getDescriptor(GattInfo.CLIENT_CHARACTERISTIC_CONFIG);
        if (clientConfig != null) {

            if (request.notifyenable) {
                // Log.i(TAG, "Enable notification: " +
                // characteristic.getUuid().toString());
                clientConfig.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
            } else {
                // Log.i(TAG, "Disable notification: " +
                // characteristic.getUuid().toString());
                clientConfig.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
            }
            mGatt.writeDescriptor(clientConfig);
            // Log.i(TAG, "writeDescriptor: " +
            // characteristic.getUuid().toString());
            this.blocking = true; // Set read to be blocking
            while (this.blocking) {
                timeout++;
                waitIdle(1);
                if (timeout > GATT_TIMEOUT) {
                    this.blocking = false;
                    request.status = bleRequestStatus.timeout;
                    return -1;
                } //Read failed TODO: Fix this to follow connection interval !
            }
            request.status = bleRequestStatus.done;
            return lastGattStatus;
        }
    }
    return -3; // Set notification to android was wrong ...
}

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   ww w . java 2s. 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.qi.airstat.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 w w  w .j  ava 2s . c o  m
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);
    }
}

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  ww .  j a  v  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 w  ww  .ja v a 2s . c om
    }
    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.jav a  2 s .  c o  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);
}

From source file:net.kenevans.android.blecardiacmonitor.BCMBleService.java

/**
 * Starts a session./*from   w  w w  .java  2 s.c om*/
 *
 * @param charBat The BAT characteristic.
 * @param charHr  The HR characteristic.
 * @return If successful. (Always returns true)
 */
public boolean startSession(BluetoothGattCharacteristic charBat, BluetoothGattCharacteristic charHr) {
    Log.d(TAG, "startSession");
    // Log.d(TAG, "startSession: mSessionState=" + mSessionState
    // + " mTimeoutTimer=" + mTimeoutTimer);
    // // DEBUG
    // String batVal = mCharBat == null ? "null" : String.format("%8x",
    // mCharBat.hashCode());
    // String hrVal = mCharHr == null ? "null" : String.format("%8x",
    // mCharHr.hashCode());
    // String customVal = mCharCustom == null ? "null" :
    // String.format("%8x",
    // mCharCustom.hashCode());
    // Log.d(TAG, "  mCharBat=" + batVal + " mCharHr=" + hrVal
    // + " mCharCustom=" + customVal);
    // batVal = charBat == null ? "null" : String.format("%8x",
    // charBat.hashCode());
    // hrVal = charHr == null ? "null" : String.format("%8x",
    // charHr.hashCode());
    // customVal = charCustom == null ? "null" : String.format("%8x",
    // charCustom.hashCode());
    // Log.d(TAG, "  charBat=" + batVal + " charHr=" + hrVal +
    // " charCustom="
    // + customVal);
    // Log.d(TAG, "  mDoBat=" + mDoBat + " mDoHr=" + mDoHr + " mDoCustom="
    // + mDoCustom);
    if (!mSessionInProgress) {
        mSessionStartTime = new Date().getTime();
    }

    // // DEBUG Check permissions
    // checkPermissions(charBat, charHr, charCustom);

    // Stop notifying for existing characteristics
    if (mCharHr != null) {
        setCharacteristicNotification(mCharHr, false);
    }

    // Clear any queues
    while (descriptorWriteQueue.size() > 0) {
        descriptorWriteQueue.remove();
    }
    while (characteristicReadQueue.size() > 0) {
        characteristicReadQueue.remove();
    }

    // Initialize for the new values
    mCharBat = charBat;
    mCharHr = charHr;
    mLastBat = INVALID_INT;
    mLastHr = INVALID_INT;
    mLastRr = INVALID_STRING;
    mLastHrDate = new Date().getTime();
    BluetoothGattDescriptor descriptor;
    if (mCharBat != null) {
        characteristicReadQueue.add(mCharBat);
    }
    if (mCharHr != null) {
        descriptor = mCharHr.getDescriptor(UUID_CLIENT_CHARACTERISTIC_CONFIG);
        descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        descriptorWriteQueue.add(descriptor);
        setCharacteristicNotification(mCharHr, true);
    }

    // Start the queues. Do writeDescriptors before any readCharacteristics
    if (descriptorWriteQueue.size() > 0) {
        mBluetoothGatt.writeDescriptor(descriptorWriteQueue.element());
    } else if (characteristicReadQueue.size() > 0) {
        mBluetoothGatt.readCharacteristic(characteristicReadQueue.element());
    }

    mSessionInProgress = true;
    return true;
}

Example usage for android.bluetooth BluetoothGattDescriptor ENABLE_NOTIFICATION_VALUE

Introduction

Prototype

Document

Usage