程序包 ohos.agp.window.service

接口 IDisplayEventCallback

public interface IDisplayEventCallback

Provide callbacks to report events of a display device.

You can invoke the callbacks provided in this class to report an event when a display device is connected, removed, or the information about the display device changes.

从以下版本开始:

5

方法概要

限定符和类型	方法	说明
void	onDisplayChanged(int displayId)	Called when the display device information such as the display size or density changes.
void	onDisplayConnected(int displayId)	Called when a display device is connected.
void	onDisplayDisconnected(int displayId)	Called when a display device is disconnected.

方法详细资料

onDisplayConnected

void onDisplayConnected(int displayId)

Called when a display device is connected.

参数:

displayId - Indicate the display device ID.

从以下版本开始:

5

onDisplayDisconnected

void onDisplayDisconnected(int displayId)

Called when a display device is disconnected.

参数:

displayId - Indicate the display device ID.

从以下版本开始:

5

onDisplayChanged

void onDisplayChanged(int displayId)

Called when the display device information such as the display size or density changes.

参数:

displayId - Indicate the display device ID.

从以下版本开始:

5