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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