The UUIDs generated by this site are provided AS IS without warranty of any kind, not even the warranty that the generated UUIDs are actually unique. The Version 4 UUIDs produced by this site were generated using a secure random number generator. I tried with the expanded name service UUID "00001800-0000-1000-8000-00805f9b34fb", which is the very first service, no difference. A Version 4 UUID is a universally unique identifier that is generated using random numbers. In my case, the device with my particular service will always have a known name, so there is no actual benefit here, just curiosity please don't spend much time on it. Es kennzeichnet eine Besondere Dienstleistung von einem Bluetooth-Gerät. #UUID GENERATOR ANDROID BLUETOOTH FULL#I presume it would need the short-form UUIDs such as Name or Battery (180F) to be expanded to the full 128 bit UUID, which is a nuisance, but BLE is an extraordinarily complex way of sending very short data packets anyway. Die UUID dient der eindeutigen Identifizierung von Informationen. There is no significance in the order of the services in the GATT, so there is no requirement that any particular service would be the first entry. Answer: Obtaining the UUIDs designated to the device can be obtained by 'reflection' using the same getUuids () method, for this we must have BlueTooth enabled on our device. The very first service in the device GATT is the name service, UUID="1800", but it chokes on that one as soon as it calls Manager.Scan, so I've skipped that one. Yes, I am passing a 128 bit service UUID:
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