@ohos.bluetooth.hid (Bluetooth hid Module)
The hid module provides APIs for using the Bluetooth Human Interface Device Profile (HID).
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 hid from '@ohos.bluetooth.hid';
hid.createHidHostProfile
createHidHostProfile(): HidHostProfile
Creates a HidHostProfile instance.
System capability: SystemCapability.Communication.Bluetooth.Core
Return value
Type | Description |
---|---|
HidHostProfile | HidHostProfile instance created. |
Example
import { BusinessError } from '@ohos.base';
try {
let hidHostProfile = hid.createHidHostProfile();
console.info('hidHost success');
} catch (err) {
console.error('errCode: ' + (err as BusinessError).code + ', errMessage: ' + (err as BusinessError).message);
}
HidHostProfile
Before using any API of HidHostProfile, you need to create an instance of this class by using createHidHostProfile().
connect
connect(deviceId: string): void
Connects to the HidHost service of a device.
System API: This is a system API.
Required permissions: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
System capability: SystemCapability.Communication.Bluetooth.Core
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | string | Yes | Address of the remote device. |
Error codes
For details about the error codes, see Bluetooth Error Codes.
ID | Error Message |
---|---|
2900001 | Service stopped. |
2900003 | Bluetooth switch is off. |
2900004 | Profile is not supported. |
2900099 | Operation failed. |
Example
import { BusinessError } from '@ohos.base';
try {
let hidHostProfile = hid.createHidHostProfile();
hidHostProfile.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 the HidHost service of a device.
System API: This is a system API.
Required permissions: ohos.permission.ACCESS_BLUETOOTH and ohos.permission.MANAGE_BLUETOOTH
System capability: SystemCapability.Communication.Bluetooth.Core
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | string | Yes | Address of the remote device. |
Error codes
For details about the error codes, see Bluetooth Error Codes.
ID | Error Message |
---|---|
2900001 | Service stopped. |
2900003 | Bluetooth switch is off. |
2900004 | Profile is not supported. |
2900099 | Operation failed. |
Example
import { BusinessError } from '@ohos.base';
try {
let hidHostProfile = hid.createHidHostProfile();
hidHostProfile.disconnect('XX:XX:XX:XX:XX:XX');
} catch (err) {
console.error('errCode: ' + (err as BusinessError).code + ', errMessage: ' + (err as BusinessError).message);
}