dlt.getConnectedBluetoothDevices

Introduction

Get connected devices.

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
devices	Object[]	List of devices

Structure of devices Property

Property	Type	Description
name	string	Bluetooth device name, may not be available for some devices
deviceId	string	Identifier for the device

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

In the provided sample code, the getConnectedBluetoothDevices function is called to retrieve a list of connected Bluetooth devices. The success callback logs the result, which includes information about the devices, such as their names and identifiers.