@ohos.bluetooth.hfp (Bluetooth hfp Module)

The hfp module provides APIs for using the Bluetooth Hands-Free Profile (HFP).

NOTE

The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import hfp from '@ohos.bluetooth.hfp';

hfp.createHfpAgProfile

createHfpAgProfile(): HandsFreeAudioGatewayProfile

Creates an HfpAgProfile instance.

System capability: SystemCapability.Communication.Bluetooth.Core

Return value

Example

import { BusinessError } from '@ohos.base';
try {
    let hfpAgProfile = hfp.createHfpAgProfile();
    console.info('hfpAg success');
} catch (err) {
    console.error('errCode: ' + (err as BusinessError).code + ', errMessage: ' + (err as BusinessError).message);
}

HandsFreeAudioGatewayProfile

Before using any API of HandsFreeAudioGatewayProfile, you need to create an instance of this class by using createHfpAgProfile().

connect

connect(deviceId: string): void

Connects to a hands-free device.

System API: This is a system API.

Required permissions: ohos.permission.ACCESS_BLUETOOTH

System capability: SystemCapability.Communication.Bluetooth.Core

Parameters

Error codes

For details about the error codes, see Bluetooth Error Codes.

Example

import { BusinessError } from '@ohos.base';
try {
    let hfpAg = hfp.createHfpAgProfile();
    hfpAg.connect('XX:XX:XX:XX:XX:XX');
} catch (err) {
    console.error('errCode: ' + (err as BusinessError).code + ', errMessage: ' + (err as BusinessError).message);
}

disconnect

disconnect(deviceId: string): void

Disconnects from a hands-free device.

System API: This is a system API.

Required permissions: ohos.permission.ACCESS_BLUETOOTH

System capability: SystemCapability.Communication.Bluetooth.Core

Parameters

Error codes

For details about the error codes, see Bluetooth Error Codes.

Example

import { BusinessError } from '@ohos.base';
try {
    let hfpAg = hfp.createHfpAgProfile();
    hfpAg.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
    console.error('errCode: ' + (err as BusinessError).code + ', errMessage: ' + (err as BusinessError).message);
}