What is Bluetooth service UUID?

What is Bluetooth service UUID?

The UUID is used for uniquely identifying information. It identifies a particular service provided by a Bluetooth device. The standard defines a basic BASE_UUID: 00000000-0000-1000-8000-00805F9B34FB .

What is UUID in Android Bluetooth?

An ‘uuid’ is a Universally Unique Identifier (UUID) standardized 128-bit format for a string ID used to uniquely identify information. It’s used to uniquely identify your application’s Bluetooth service.

How do I find my Android Bluetooth UUID?

How to use getUuids method in android. bluetooth. BluetoothDevice

1. Intent intent;String name;intent.getParcelableExtra(name)
2. BluetoothGatt bluetoothGatt;bluetoothGatt.getDevice()
3. ScanResult result;result.getDevice()

How do I find my Ble UUID?

1 Answer. You can use startScan (List filters, ScanSettings settings, ScanCallback callback) method inside class BluetoothLeScanner. Set the service UUID in the ScanFilter to display specific BLE devices according to UUIDs. More API details can be found here.

What is service UUID?

Universally Unique ID (UUID) It is a unique number used to identify services, characteristics and descriptors, also known as attributes. These IDs are transmitted over the air so that e.g. a peripheral can inform a central what services it provides.

How do I find the UUID on my Android phone?

There is no inbuilt UUID. You have Android ID generated at first boot, as suggested by Mudassir, or you have IMEI which is unique ID of your GSM device provided by manufacturer.

What is service UUID and characteristic UUID?

UUID. The UUID is the standard 16-bit UUID for a characteristic declaration, UUIDcharacteristic ( 0x2803 ). Value. The characteristic properties for this characteristic are read only, the characteristic value handle is 0x002C , and the characteristic value UUID is the UUID for the Body Sensor Location ( 0x2A38 ).

What is a service in Bluetooth?

Bluetooth telephony services lets users stream calls and sync contacts from a phone to another Bluetooth device. These features are often used for hands-free calls when driving. In Android 8.0, Bluetooth supports in-band ringtone.

What is a UUID in Android?

A class that represents an immutable universally unique identifier (UUID). A UUID represents a 128-bit value. The version field holds a value that describes the type of this UUID . There are four different basic types of UUIDs: time-based, DCE security, name-based, and randomly generated UUIDs.

How to find the UUID of a Bluetooth device?

The UUID can be obtained from this link, http://www.bluecove.org/bluecove/apidocs/javax/bluetooth/UUID.html Here you need to know what bluetooth profile is being used in each of your target device.

What is the SPP UUID for Android devices?

UUID=00001101-0000-1000-8000-00805F9B34FB is special one for SPP. Some devices (for example, Bluetooth serial board) will not work if u not set SPP UUID. But for peer-to-peer connection between Android devices such as smartphones u may use your own generated UUID.

What is the UUID format for peer-to-peer connection between Android devices?

But for peer-to-peer connection between Android devices such as smartphones u may use your own generated UUID. Devices must set same UUID to found each other and connect. UUID format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx where x= [0,…,9]| [A,…,F].

How to get UUIDs from one device to another?

As Eddie pointed out, wait for BluetoothAdapter.ACTION_DISCOVERY_FINISHED and then call fetchUuidsWithSdp (). Still this cannot guarantee uuids to be fetched for all devices. In addition to this one must wait for each subsequent call to fetchuuidsWithSdp () to complete, and then give a call to this method for another device.