How to get bluetooth status in independent watch (standalone app)?

Question

Created Apr ’20

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Is there any way to known about Bluetooth on/off in my watch application because to update that status to the user.

I only want to know bluetooth on or off nothing else(not want to connect with any device).

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Answer 1

Apr ’20

If you test state, you should know if on or off.

ClassCBManager

SDKs

Framework

Core Bluetooth

Declaration

class CBManager : NSObject

Topics

Accessing the Manager’s Properties

     var state: CBManagerState

The current state of the manager.

Manager States

     case poweredOff

A state that indicates Bluetooth is currently powered off.

     case poweredOn

A state that indicates Bluetooth is currently powered on and available to use.

     case resetting

A state that indicates the connection with the system service was momentarily lost.

     case unauthorized

A state that indicates the application isn’t authorized to use the Bluetooth low energy role.

     case unknown

The manager’s state is unknown.

     case unsupported

A state that indicates this device doesn’t support the Bluetooth low energy central or client role.

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Answer 2

Apr ’20

Thank you.

I go through your solution, so I get state value unknown (or some time unsupported).

I check it in the simulator maybe for that it give this result.

To check this real device required or simulator can work??

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Answer 3

Apr ’20

There are functions involving system status that can only be checked on device.

A simple way is to print the result into a label on the watch, to make sure it runs independantly.

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