bluetooth lowenergy - How the onCharacteristicWrite know the status is success in Android ? -


i developing in ble android , have question oncharacteristicwrite.

i know oncharacteristicwrite call , return status when write value remote ble device.

when oncharacteristicwrite return status 0 after gatt.writecharacteristic, means write success.

question:

how oncharacteristicwrite know return status 0 ?? remote ble device send ack android ??

yes, ble device send successful write acknowledgement. part of low level bluetooth low energy specification.


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