if new_state == "connected":
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，这一点在搜狗输入法下载中也有详细论述
I personally think all of this is exciting. I’m a strong supporter of putting
It's a simple rather heuristic approach. Because BLE uses randomised MAC and the OSSID are not stable, nor the UUID of the service announcements, you can't just scan for the bluetooth beacons. And, to make thinks even more dire, some like Meta, for instance, use proprietary Bluetooth services and UUIDs are not persistent, we can only rely on the communicated device names for now.