Example usage for android.bluetooth BluetoothGattDescriptor getValue

Introduction

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

Prototype

public byte[] getValue() 

Source Link

Document

Returns the stored value for this descriptor

This function returns the stored value for this descriptor as retrieved by calling BluetoothGatt#readDescriptor .

Usage

From source file:Main.java

public static String formatGattDescriptor(BluetoothGattDescriptor descriptor) {
    String log = "";
    if (descriptor == null) {
        log += "<null>";
    } else {/*from www.  java  2  s .  c  o  m*/
        log += "descriptorUUID=" + descriptor.getUuid();
        log += "descriptorValue=" + descriptor.getValue();
    }
    return log;
}

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

public JSONObject asJSONObject(BluetoothGatt gatt) {

    JSONObject json = asJSONObject();/*from  w  w  w  . j  a  v a2s.c  o m*/

    try {
        JSONArray servicesArray = new JSONArray();
        JSONArray characteristicsArray = new JSONArray();
        json.put("services", servicesArray);
        json.put("characteristics", characteristicsArray);

        if (connected && gatt != null) {
            for (BluetoothGattService service : gatt.getServices()) {
                servicesArray.put(UUIDHelper.uuidToString(service.getUuid()));

                for (BluetoothGattCharacteristic characteristic : service.getCharacteristics()) {
                    JSONObject characteristicsJSON = new JSONObject();
                    characteristicsArray.put(characteristicsJSON);

                    characteristicsJSON.put("service", UUIDHelper.uuidToString(service.getUuid()));
                    characteristicsJSON.put("characteristic",
                            UUIDHelper.uuidToString(characteristic.getUuid()));
                    //characteristicsJSON.put("instanceId", characteristic.getInstanceId());

                    characteristicsJSON.put("properties", Helper.decodeProperties(characteristic));
                    // characteristicsJSON.put("propertiesValue", characteristic.getProperties());

                    if (characteristic.getPermissions() > 0) {
                        characteristicsJSON.put("permissions", Helper.decodePermissions(characteristic));
                        // characteristicsJSON.put("permissionsValue", characteristic.getPermissions());
                    }

                    JSONArray descriptorsArray = new JSONArray();

                    for (BluetoothGattDescriptor descriptor : characteristic.getDescriptors()) {
                        JSONObject descriptorJSON = new JSONObject();
                        descriptorJSON.put("uuid", UUIDHelper.uuidToString(descriptor.getUuid()));
                        descriptorJSON.put("value", descriptor.getValue()); // always blank

                        if (descriptor.getPermissions() > 0) {
                            descriptorJSON.put("permissions", Helper.decodePermissions(descriptor));
                            // descriptorJSON.put("permissionsValue", descriptor.getPermissions());
                        }
                        descriptorsArray.put(descriptorJSON);
                    }
                    if (descriptorsArray.length() > 0) {
                        characteristicsJSON.put("descriptors", descriptorsArray);
                    }
                }
            }
        }
    } catch (JSONException e) { // TODO better error handling
        e.printStackTrace();
    }

    return json;
}

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

private void readValueManage(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
    String deviceAddress = getDeviceAddress(gatt);
    JSONObject obj = new JSONObject();
    if (readValueCC.get(deviceAddress) != null) {
        if (status == BluetoothGatt.GATT_SUCCESS) {
            Tools.addProperty(obj, Tools.DEVICE_ADDRESS, deviceAddress);
            Tools.addProperty(obj, Tools.VALUE, Tools.encodeBase64(descriptor.getValue()));
            Tools.addProperty(obj, Tools.DATE, Tools.getDateString());
            readValueCC.get(deviceAddress).success(obj);
            readValueCC.remove(deviceAddress);
        } else {/*w ww . ja  v  a 2 s .c  o  m*/
            Tools.sendErrorMsg(readValueCC.get(deviceAddress));
            readValueCC.remove(deviceAddress);
        }
    }
}

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