Examples with BluetoothGattCharacteristic android.bluetooth.BluetoothGattCharacteristic used on opensource projects

Example 16 with BluetoothGattCharacteristic

use of android.bluetooth.BluetoothGattCharacteristic in project Gadgetbridge by Freeyourgadget.

the class MiBand2Support method requestBatteryInfo.

private MiBand2Support requestBatteryInfo(TransactionBuilder builder) {
    LOG.debug("Requesting Battery Info!");
    BluetoothGattCharacteristic characteristic = getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_6_BATTERY_INFO);
    builder.read(characteristic);
    return this;
}

Example 17 with BluetoothGattCharacteristic

use of android.bluetooth.BluetoothGattCharacteristic in project Gadgetbridge by Freeyourgadget.

the class AlertNotificationProfile method newAlert.

public void newAlert(TransactionBuilder builder, NewAlert alert, OverflowStrategy strategy) {
    BluetoothGattCharacteristic characteristic = getCharacteristic(GattCharacteristic.UUID_CHARACTERISTIC_NEW_ALERT);
    if (characteristic != null) {
        String message = StringUtils.ensureNotNull(alert.getMessage());
        if (message.length() > MAX_MSG_LENGTH && strategy == OverflowStrategy.TRUNCATE) {
            message = StringUtils.truncate(message, MAX_MSG_LENGTH);
        }
        int numChunks = message.length() / MAX_MSG_LENGTH;
        if (message.length() % MAX_MSG_LENGTH > 0) {
            numChunks++;
        }
        try {
            boolean hasAlerted = false;
            for (int i = 0; i < numChunks; i++) {
                int offset = i * MAX_MSG_LENGTH;
                int restLength = message.length() - offset;
                message = message.substring(offset, offset + Math.min(MAX_MSG_LENGTH, restLength));
                if (hasAlerted && message.length() == 0) {
                    // no need to do it again when there is no text content
                    break;
                }
                builder.write(characteristic, getAlertMessage(alert, message, 1));
                hasAlerted = true;
            }
            if (!hasAlerted) {
                builder.write(characteristic, getAlertMessage(alert, "", 1));
            }
        } catch (IOException ex) {
            // ain't gonna happen
            LOG.error("Error writing alert message to ByteArrayOutputStream");
        }
    } else {
        LOG.warn("NEW_ALERT characteristic not available");
    }
}

Example 18 with BluetoothGattCharacteristic

use of android.bluetooth.BluetoothGattCharacteristic in project Gadgetbridge by Freeyourgadget.

the class MiBandSupport method onEnableRealtimeSteps.

@Override
public void onEnableRealtimeSteps(boolean enable) {
    try {
        BluetoothGattCharacteristic controlPoint = getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT);
        if (enable) {
            TransactionBuilder builder = performInitialized("Read realtime steps");
            builder.read(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_REALTIME_STEPS)).queue(getQueue());
        }
        performInitialized(enable ? "Enabling realtime steps notifications" : "Disabling realtime steps notifications").write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_LE_PARAMS), enable ? getLowLatency() : getHighLatency()).write(controlPoint, enable ? startRealTimeStepsNotifications : stopRealTimeStepsNotifications).queue(getQueue());
        enableRealtimeSamplesTimer(enable);
    } catch (IOException e) {
        LOG.error("Unable to change realtime steps notification to: " + enable, e);
    }
}

Example 19 with BluetoothGattCharacteristic

use of android.bluetooth.BluetoothGattCharacteristic in project Android-Developers-Samples by johnjohndoe.

the class DeviceControlActivity method displayGattServices.

// Demonstrates how to iterate through the supported GATT Services/Characteristics.
// In this sample, we populate the data structure that is bound to the ExpandableListView
// on the UI.
private void displayGattServices(List<BluetoothGattService> gattServices) {
    if (gattServices == null)
        return;
    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);
}

Example 20 with BluetoothGattCharacteristic

use of android.bluetooth.BluetoothGattCharacteristic in project nikeplus-fuelband-se-reversed by evilsocket.

the class MainActivity method dumpServices.

private void dumpServices(BluetoothGatt gatt) {
    for (BluetoothGattService svc : gatt.getServices()) {
        String svc_uuid = svc.getUuid().toString(), svc_name = GATTAttributes.lookup(svc_uuid, "");
        Logger.d("SERVICE " + svc_name + " ( " + svc_uuid + " )");
        for (BluetoothGattCharacteristic chara : svc.getCharacteristics()) {
            String chr_uuid = chara.getUuid().toString(), chr_name = GATTAttributes.lookup(chr_uuid, "");
            int chr_props = chara.getProperties();
            String props = "";
            Iterator it = propsMap.entrySet().iterator();
            while (it.hasNext()) {
                Map.Entry pairs = (Map.Entry) it.next();
                if ((chr_props & (Integer) pairs.getKey()) != 0) {
                    props += pairs.getValue().toString() + " ";
                }
            }
            Logger.d("    " + chr_name + " ( " + chr_uuid + " ) [" + props + "] : " + Utils.bytesToHex(chara.getValue()));
            for (BluetoothGattDescriptor desc : chara.getDescriptors()) {
                Logger.d("      DESC: " + desc.getUuid());
            }
        }
    }
    Logger.d("---------------------------------------------------------------------------");
}