dlt.getBluetoothAdapterState

Introduction

Get the Bluetooth adapter state.

Parameters

Object object

Property	Type	Default	Required	Description
success	function		No	Callback function called when the interface is successfully invoked.
fail	function		No	Callback function called when the interface invocation fails.
complete	function		No	Callback function called when the interface invocation is complete (called whether the invocation is successful or not).

object.success Callback Function

Parameters

Object res

Property	Type	Description
success	string	true - Success
discovering	boolean	Whether searching for devices is in progress
available	boolean	Whether the Bluetooth adapter is available

object.fail Callback Function

Parameters

Object res

Property	Type	Description
success	string	false - Failure
errCode	string	Error code

Error Code Definitions

Error Code	Description
-1	Failure
0	Normal
10000	Bluetooth adapter not initialized
10001	Bluetooth not available
10002	Device not found
10003	Connection failed
10004	Already connected
10005	Characteristic not found
10006	Descriptor not found
10007	Location access required for scanning
10008	System reports an exception
10013	Invalid data
10014	Permission not granted
10015	Adapter already initialized

Sample Code

dlt.getBluetoothAdapterState({
  success: function (res) {
    console.log(res);
  },
  complete: function (res) {
    console.log(res);
  },
  fail: function (res) {
    console.log(res);
  },
});

In the provided sample code, the getBluetoothAdapterState function is called to retrieve the current state of the Bluetooth adapter. The success callback logs the result, which includes information about whether the adapter is discovering devices and whether it is available.