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.

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