harmony 鸿蒙@ohos.multimodalInput.inputDevice (Input Device)
@ohos.multimodalInput.inputDevice (Input Device)
The inputDevice module allows you to listen for hot swap events of input devices and query information about input devices.
NOTE
The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
Modules to Import
import inputDevice from '@ohos.multimodalInput.inputDevice';
inputDevice.getDeviceList9+
getDeviceList(callback: AsyncCallback<Array<number>>): void
Obtains the IDs of all input devices. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
callback | AsyncCallback<Array<number>> | Yes | Callback used to return the result. |
Example
try {
inputDevice.getDeviceList((error: Error, ids: Array<Number>) => {
if (error) {
console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Device id list: ${JSON.stringify(ids)}`);
});
} catch (error) {
console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getDeviceList9+
getDeviceList(): Promise<Array<number>>
Obtains the IDs of all input devices. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Return value
Parameters | Description |
---|---|
Promise<Array<number>> | Promise used to return the result. |
Example
try {
inputDevice.getDeviceList().then((ids: Array<Number>) => {
console.log(`Device id list: ${JSON.stringify(ids)}`);
});
} catch (error) {
console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getDeviceInfo9+
getDeviceInfo(deviceId: number, callback: AsyncCallback<InputDeviceData>): void
Obtains information about an input device. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | ID of the input device. |
callback | AsyncCallback<InputDeviceData> | Yes | Callback used to return the result, which is an InputDeviceData object. |
Example
// Obtain the name of the device whose ID is 1.
try {
inputDevice.getDeviceInfo(1, (error: Error, deviceData: inputDevice.InputDeviceData) => {
if (error) {
console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Device info: ${JSON.stringify(deviceData)}`);
});
} catch (error) {
console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getDeviceInfo9+
getDeviceInfo(deviceId: number): Promise<InputDeviceData>
Obtains information about an input device. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | ID of the input device. |
Return value
Parameters | Description |
---|---|
Promise<InputDeviceData> | Promise used to return the result. |
Example
// Obtain the name of the device whose ID is 1.
try {
inputDevice.getDeviceInfo(1).then((deviceData: inputDevice.InputDeviceData) => {
console.log(`Device info: ${JSON.stringify(deviceData)}`);
});
} catch (error) {
console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getDeviceInfoSync10+
getDeviceInfoSync(deviceId: number): InputDeviceData
Obtains information about the specified input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | ID of the input device. |
Return value
Parameters | Description |
---|---|
InputDeviceData | Information about the input device. |
Example
// Obtain the name of the device whose ID is 1.
try {
let deviceData: inputDevice.InputDeviceData = inputDevice.getDeviceInfoSync(1)
console.log(`Device info: ${JSON.stringify(deviceData)}`)
} catch (error) {
console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`)
}
inputDevice.on9+
on(type: “change”, listener: Callback<DeviceListener>): void
Enables listening for device hot swap events.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
type | string | Yes | Event type of the input device. |
listener | Callback<DeviceListener> | Yes | Listener for events of the input device. |
Example
let isPhysicalKeyboardExist = true;
try {
inputDevice.on("change", (data: inputDevice.DeviceListener) => {
console.log(`Device event info: ${JSON.stringify(data)}`);
inputDevice.getKeyboardType(data.deviceId, (err: Error, type: inputDevice.KeyboardType) => {
console.log("The keyboard type is: " + type);
if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'add') {
// The physical keyboard is connected.
isPhysicalKeyboardExist = true;
} else if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'remove') {
// The physical keyboard is disconnected.
isPhysicalKeyboardExist = false;
}
});
});
// Check whether the soft keyboard is open based on the value of isPhysicalKeyboardExist.
} catch (error) {
console.log(`Get device info failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.off9+
off(type: “change”, listener?: Callback<DeviceListener>): void
Disables listening for device hot swap events. This API is called before the application exits.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
type | string | Yes | Event type of the input device. |
listener | Callback<DeviceListener> | No | Listener for events of the input device. |
Example
function callback(data: inputDevice.DeviceListener) {
console.log(`Report device event info: ${JSON.stringify(data, [`type`, `deviceId`])}`);
};
try {
inputDevice.on("change", callback);
} catch (error) {
console.log(`Listen device event failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
// Disable this listener.
try {
inputDevice.off("change", callback);
} catch (error) {
console.log(`Cancel listening device event failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
// Disable all listeners.
try {
inputDevice.off("change");
} catch (error) {
console.log(`Cancel all listening device event failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getDeviceIds(deprecated)
getDeviceIds(callback: AsyncCallback<Array<number>>): void
Obtains the IDs of all input devices. This API uses an asynchronous callback to return the result.
This API is deprecated since API version 9. You are advised to use inputDevice.getDeviceList instead.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
callback | AsyncCallback<Array<number>> | Yes | Callback used to return the result. |
Example
inputDevice.getDeviceIds((error: Error, ids: Array<Number>) => {
if (error) {
console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Device id list: ${JSON.stringify(ids)}`);
});
inputDevice.getDeviceIds(deprecated)
getDeviceIds(): Promise<Array<number>>
Obtains the IDs of all input devices. This API uses a promise to return the result.
This API is deprecated since API version 9. You are advised to use inputDevice.getDeviceList instead.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Return value
Parameters | Description |
---|---|
Promise<Array<number>> | Promise used to return the result. |
Example
inputDevice.getDeviceIds().then((ids: Array<Number>) => {
console.log(`Device id list: ${JSON.stringify(ids)}`);
});
inputDevice.getDevice(deprecated)
getDevice(deviceId: number, callback: AsyncCallback<InputDeviceData>): void
Obtains information about an input device. This API uses an asynchronous callback to return the result.
This API is deprecated since API version 9. You are advised to use inputDevice.getDeviceInfo instead.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | ID of the input device. |
callback | AsyncCallback<InputDeviceData> | Yes | Callback used to return the result, which is an InputDeviceData object. |
Example
// Obtain the name of the device whose ID is 1.
inputDevice.getDevice(1, (error: Error, deviceData: inputDevice.InputDeviceData) => {
if (error) {
console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Device info: ${JSON.stringify(deviceData)}`);
});
inputDevice.getDevice(deprecated)
getDevice(deviceId: number): Promise<InputDeviceData>
Obtains information about an input device. This API uses a promise to return the result.
This API is deprecated since API version 9. You are advised to use inputDevice.getDeviceInfo instead.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | ID of the input device. |
Return value
Parameters | Description |
---|---|
Promise<InputDeviceData> | Promise used to return the result. |
Example
// Obtain the name of the device whose ID is 1.
inputDevice.getDevice(1).then((deviceData: inputDevice.InputDeviceData) => {
console.log(`Device info: ${JSON.stringify(deviceData)}`);
});
inputDevice.supportKeys9+
supportKeys(deviceId: number, keys: Array<KeyCode>, callback: AsyncCallback <Array<boolean>>): void
Obtains the keycodes supported by the input device. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
keys | Array<KeyCode> | Yes | Keycodes to be queried. A maximum of five keycodes can be specified. |
callback | AsyncCallback<Array<boolean>> | Yes | Callback used to return the result. |
Example
// Check whether the input device whose ID is 1 supports keycodes 17, 22, and 2055.
try {
inputDevice.supportKeys(1, [17, 22, 2055], (error: Error, supportResult: Array<Boolean>) => {
console.log(`Query result: ${JSON.stringify(supportResult)}`);
});
} catch (error) {
console.log(`Query failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.supportKeys9+
supportKeys(deviceId: number, keys: Array<KeyCode>): Promise<Array<boolean>>
Obtains the keycodes supported by the input device. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
keys | Array<KeyCode> | Yes | Keycodes to be queried. A maximum of five keycodes can be specified. |
Return value
Parameters | Description |
---|---|
Promise<Array<boolean>> | Promise used to return the result. |
Example
// Check whether the input device whose ID is 1 supports keycodes 17, 22, and 2055.
try {
inputDevice.supportKeys(1, [17, 22, 2055]).then((supportResult: Array<Boolean>) => {
console.log(`Query result: ${JSON.stringify(supportResult)}`);
});
} catch (error) {
console.log(`Query failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.supportKeysSync10+
supportKeysSync(deviceId: number, keys: Array<KeyCode>): Array<boolean>
Checks whether the input device supports the specified keycode value.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
keys | Array<KeyCode> | Yes | Keycodes to be queried. A maximum of five keycodes can be specified. |
Return value
Parameters | Description |
---|---|
Array<boolean> | Result indicating whether the input device supports the keycode value. The value true indicates yes, and the value false indicates no. |
Example
// Check whether the input device whose ID is 1 supports keycodes 17, 22, and 2055.
try {
let supportResult: Array<Boolean> = inputDevice.supportKeysSync(1, [17, 22, 2055])
console.log(`Query result: ${JSON.stringify(supportResult)}`)
} catch (error) {
console.log(`Query failed, error: ${JSON.stringify(error, [`code`, `message`])}`)
}
inputDevice.getKeyboardType9+
getKeyboardType(deviceId: number, callback: AsyncCallback<KeyboardType>): void
Obtains the keyboard type of an input device. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
callback | AsyncCallback<KeyboardType> | Yes | Callback used to return the result. |
Example
// Query the keyboard type of the input device whose ID is 1.
try {
inputDevice.getKeyboardType(1, (error: Error, type: Number) => {
if (error) {
console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Keyboard type: ${JSON.stringify(type)}`);
});
} catch (error) {
console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardType9+
getKeyboardType(deviceId: number): Promise<KeyboardType>
Obtains the keyboard type of an input device. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
Return value
Parameters | Description |
---|---|
Promise<KeyboardType> | Promise used to return the result. |
Example
// Query the keyboard type of the input device whose ID is 1.
try {
inputDevice.getKeyboardType(1).then((type: Number) => {
console.log(`Keyboard type: ${JSON.stringify(type)}`);
});
} catch (error) {
console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardTypeSync10+
getKeyboardTypeSync(deviceId: number): KeyboardType
Obtains the keyboard type of the input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
deviceId | number | Yes | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
Return value
Parameters | Description |
---|---|
KeyboardType | Keyboard type. |
Example
// Query the keyboard type of the input device whose ID is 1.
try {
let type: number = inputDevice.getKeyboardTypeSync(1)
console.log(`Keyboard type: ${JSON.stringify(type)}`)
} catch (error) {
console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`)
}
inputDevice.setKeyboardRepeatDelay10+
setKeyboardRepeatDelay(delay: number, callback: AsyncCallback<void>): void
Sets the keyboard repeat delay. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
delay | number | Yes | Keyboard repeat delay, in ms. The value range is [300, 1000] and the default value is 500. |
callback | AsyncCallback<void> | Yes | Callback used to return the result. |
Example
try {
inputDevice.setKeyboardRepeatDelay(350, (error: Error) => {
if (error) {
console.log(`Set keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Set keyboard repeat delay success`);
});
} catch (error) {
console.log(`Set keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.setKeyboardRepeatDelay10+
setKeyboardRepeatDelay(delay: number): Promise<void>
Sets the keyboard repeat delay. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
delay | number | Yes | Keyboard repeat delay, in ms. The value range is [300, 1000] and the default value is 500. |
Return value
Parameters | Description |
---|---|
Promise<void> | Promise used to return the result. |
Example
try {
inputDevice.setKeyboardRepeatDelay(350).then(() => {
console.log(`Set keyboard repeat delay success`);
});
} catch (error) {
console.log(`Set keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardRepeatDelay10+
getKeyboardRepeatDelay(callback: AsyncCallback<number>): void
Obtains the keyboard repeat delay. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
callback | AsyncCallback<number> | Yes | Callback used to return the result. |
Example
try {
inputDevice.getKeyboardRepeatDelay((error: Error, delay: Number) => {
if (error) {
console.log(`Get keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Get keyboard repeat delay success`);
});
} catch (error) {
console.log(`Get keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardRepeatDelay10+
getKeyboardRepeatDelay(): Promise<number>
Obtains the keyboard repeat delay. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Return value
Parameters | Description |
---|---|
Promise<number> | Promise used to return the result. |
Example
try {
inputDevice.getKeyboardRepeatDelay().then((delay: Number) => {
console.log(`Get keyboard repeat delay success`);
});
} catch (error) {
console.log(`Get keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.setKeyboardRepeatRate10+
setKeyboardRepeatRate(rate: number, callback: AsyncCallback<void>): void
Sets the keyboard repeat rate. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
rate | number | Yes | Keyboard repeat rate, in ms/time. The value range is [36, 100] and the default value is 50. |
callback | AsyncCallback<void> | Yes | Callback used to return the result. |
Example
try {
inputDevice.setKeyboardRepeatRate(60, (error: Error) => {
if (error) {
console.log(`Set keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Set keyboard repeat rate success`);
});
} catch (error) {
console.log(`Set keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.setKeyboardRepeatRate10+
setKeyboardRepeatRate(rate: number): Promise<void>
Sets the keyboard repeat rate. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
rate | number | Yes | Keyboard repeat rate, in ms/time. The value range is [36, 100] and the default value is 50. |
Return value
Parameters | Description |
---|---|
Promise<void> | Promise used to return the result. |
Example
try {
inputDevice.setKeyboardRepeatRate(60).then(() => {
console.log(`Set keyboard repeat rate success`);
});
} catch (error) {
console.log(`Set keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardRepeatRate10+
getKeyboardRepeatRate(callback: AsyncCallback<number>): void
Obtains the keyboard repeat rate. This API uses an asynchronous callback to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Parameters
Name | Type | Mandatory | Description |
---|---|---|---|
callback | AsyncCallback<number> | Yes | Callback used to return the result. |
Example
try {
inputDevice.getKeyboardRepeatRate((error: Error, rate: Number) => {
if (error) {
console.log(`Get keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
return;
}
console.log(`Get keyboard repeat rate success`);
});
} catch (error) {
console.log(`Get keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
inputDevice.getKeyboardRepeatRate10+
getKeyboardRepeatRate(): Promise<number>
Obtains the keyboard repeat rate. This API uses a promise to return the result.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
System API: This is a system API.
Return value
Parameters | Description |
---|---|
Promise<number> | Promise used to return the result. |
Example
try {
inputDevice.getKeyboardRepeatRate().then((rate: Number) => {
console.log(`Get keyboard repeat rate success`);
});
} catch (error) {
console.log(`Get keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
}
DeviceListener9+
Defines the listener for hot swap events of an input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
type | ChangedType | Yes | No | Device change type, which indicates whether an input device is inserted or removed. |
deviceId | number | Yes | No | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
InputDeviceData
Defines the information about an input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
id | number | Yes | No | Unique ID of the input device. If the same physical device is repeatedly inserted and removed, its ID changes. |
name | string | Yes | No | Name of the input device. |
sources | Array<SourceType> | Yes | No | Source type of the input device. For example, if a keyboard is attached with a touchpad, the device has two input sources: keyboard and touchpad. |
axisRanges | Array<AxisRange> | Yes | No | Axis information of the input device. |
bus9+ | number | Yes | No | Bus type of the input device. |
product9+ | number | Yes | No | Product information of the input device. |
vendor9+ | number | Yes | No | Vendor information of the input device. |
version9+ | number | Yes | No | Version information of the input device. |
phys9+ | string | Yes | No | Physical address of the input device. |
uniq9+ | string | Yes | No | Unique ID of the input device. |
AxisType9+
Defines the axis type of an input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
touchmajor | string | Yes | No | touchmajor axis. |
touchminor | string | Yes | No | touchminor axis. |
toolminor | string | Yes | No | toolminor axis. |
toolmajor | string | Yes | No | toolmajor axis. |
orientation | string | Yes | No | Orientation axis. |
pressure | string | Yes | No | Pressure axis. |
x | string | Yes | No | X axis. |
y | string | Yes | No | Y axis. |
null | string | Yes | No | None. |
AxisRange
Defines the axis range of an input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
source | SourceType | Yes | No | Input source type of the axis. |
axis | AxisType | Yes | No | Axis type. |
max | number | Yes | No | Maximum value of the axis. |
min | number | Yes | No | Minimum value of the axis. |
fuzz9+ | number | Yes | No | Fuzzy value of the axis. |
flat9+ | number | Yes | No | Benchmark value of the axis. |
resolution9+ | number | Yes | No | Resolution of the axis. |
SourceType9+
Input source type of the axis. For example, if a mouse reports an x-axis event, the input source of the x-axis is the mouse.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
keyboard | string | Yes | No | The input device is a keyboard. |
touchscreen | string | Yes | No | The input device is a touchscreen. |
mouse | string | Yes | No | The input device is a mouse. |
trackball | string | Yes | No | The input device is a trackball. |
touchpad | string | Yes | No | The input device is a touchpad. |
joystick | string | Yes | No | The input device is a joystick. |
ChangedType9+
Defines the change type for the hot swap event of an input device.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Type | Readable | Writable | Description |
---|---|---|---|---|
add | string | Yes | No | An input device is inserted. |
remove | string | Yes | No | An input device is removed. |
KeyboardType9+
Enumerates the keyboard types.
System capability: SystemCapability.MultimodalInput.Input.InputDevice
Name | Value | Description |
---|---|---|
NONE | 0 | Keyboard without keys. |
UNKNOWN | 1 | Keyboard with unknown keys. |
ALPHABETIC_KEYBOARD | 2 | Full keyboard. |
DIGITAL_KEYBOARD | 3 | Keypad. |
HANDWRITING_PEN | 4 | Stylus. |
REMOTE_CONTROL | 5 | Remote control. |
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