Android ble bluetooth Development-read and write data acquisition UUID

https://www.jianshu.com/p/3711cfbf7128

A BLE bluetooth device has multiple profiles including multiple

Multiple service services in a profile (to find the corresponding service through the UUID of the services)

Multiple features in a service characteristic (find corresponding characteristic by the UUID of the feature)

One characteristic includes a value and multiple descriptor (find the corresponding descriptor by descriptor's UUID)

Also note that before connecting the device, please turn off scanning Bluetooth, otherwise the connection is successful, the scan will be blocked and the device cannot be scanned.

Android ble bluetooth Development-read and write data acquisition UUID