harmony 鸿蒙@ohos.multimodalInput.inputEventClient (Device Injection)

2022-08-09
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@ohos.multimodalInput.inputEventClient (Device Injection)

The inputEventClient module provides the device injection capability.

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.

The APIs provided by this module are system APIs.

Modules to Import

import inputEventClient from '@ohos.multimodalInput.inputEventClient';

inputEventClient.injectEvent

injectEvent({KeyEvent: KeyEvent}): void

Injects keys (including single keys and combination keys).

System capability: SystemCapability.MultimodalInput.Input.InputSimulator

Parameters

Name	Type	Mandatory	Description
KeyEvent	KeyEvent	Yes	Information about the key event to inject.

Example

try {
  let backKeyDown: inputEventClient.KeyEvent = {
    isPressed: true,
    keyCode: 2,
    keyDownDuration: 0,
    isIntercepted: false
  }
  inputEventClient.injectEvent({ KeyEvent: backKeyDown });

  let backKeyUp: inputEventClient.KeyEvent = {
    isPressed: false,
    keyCode: 2,
    keyDownDuration: 0,
    isIntercepted: false
  };
  inputEventClient.injectEvent({ KeyEvent: backKeyUp });
} catch (error) {
  console.log(`Failed to inject KeyEvent, error: ${JSON.stringify(error, [`code`, `message`])}`);
}

inputEventClient.injectMouseEvent¹¹⁺

injectMouseEvent({mouseEvent: MouseEvent}): void;

Injects a mouse/touchpad event.

System capability: SystemCapability.MultimodalInput.Input.InputSimulator

Parameters

Name	Type	Mandatory	Description
mouseEvent	MouseEvent	Yes	Mouse/touchpad event to inject.

Example

try {
  let mouseButtonUp = {
      action: 2,
      screenX: 200,
      screenY: 620,
      button: 0,
      toolType: 1,
  }
  inputEventClient.injectMouseEvent({ mouseEvent: mouseButtonUp });

  let mouseButtonDown = {
      action: 3,
      screenX: 200,
      screenY: 620,
      button: 0,
      toolType: 1,
  };
  inputEventClient.injectMouseEvent({ mouseEvent: mouseButtonDown });
} catch (error) {
  console.log(`Failed to inject MouseEvent, error: ${JSON.stringify(error, [`code`, `message`])}`);
}

inputEventClient.injectTouchEvent¹¹⁺

injectTouchEvent({touchEvent: TouchEvent}): void;

Injects a touchscreen event.

System capability: SystemCapability.MultimodalInput.Input.InputSimulator

Parameters

Name	Type	Mandatory	Description
touchEvent	TouchEvent	Yes	Touchscreen event to inject.

Example

try {
  let touchEventUp = {
      action: 1,
      sourceType: 0,
      screenX: 200,
      screenY: 620,
      pressedTime: 0,
  };
  inputEventClient.injectTouchEvent({ touchEvent: touchEventUp });

  let touchEventDown = {
      action: 3,
      sourceType: 0,
      screenX: 200,
      screenY: 620,
      pressedTime: 0,
  };
    inputEventClient.injectTouchEvent({ touchEvent: touchEventDown });
} catch (error) {
    console.log(`Failed to inject touchEvent, error: ${JSON.stringify(error, [`code`, `message`])}`);
}

KeyEvent

Represents the key event to inject.

System capability: SystemCapability.MultimodalInput.Input.InputSimulator

Name	Type	Readable	Writable	Description
isPressed	boolean	Yes	No	Whether the key is pressed. The value true indicates that the key is pressed, and the value false indicates the opposite.
keyCode	number	Yes	No	Keycode value. Currently, only the KEYCODE_BACK key is supported.
keyDownDuration	number	Yes	No	Duration for pressing a key, in μs.
isIntercepted	boolean	Yes	No	Whether the key event can be intercepted. The value true indicates that the key event can be intercepted, and the value false indicates the opposite.