https://developers.google.cn/android/reference/com/google/android/gms/fitness/request/StartBleScanRequest
StartBleScanRequest | Google Play services | Google for Developers
google play servicesdevelopers
https://developers.google.com/android/reference/com/google/android/gms/fitness/request/StartBleScanRequest.Builder?authuser=1
StartBleScanRequest.Builder | Google Play services | Google for Developers
google play servicesbuilderdevelopers