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root_view-h.md 2.60 KB

# root\_view.h<a name="ZH-CN_TOPIC_0000001055198108"></a>

## **Overview**<a name="section1648850262093527"></a>

**Related Modules:**

[Graphic](Graphic.md)

**Description:**

Manages a root view.

A root view is the view containing its child views. It represents the root node in a tree structure and is the parent to all the children.

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section865178703093527"></a>

## Data Structures<a name="nested-classes"></a>

<a name="table387025491093527"></a>
<table><thead align="left"><tr id="row1423324556093527"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1224405072093527"><a name="p1224405072093527"></a><a name="p1224405072093527"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1629706501093527"><a name="p1629706501093527"></a><a name="p1629706501093527"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1653622744093527"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1165011850093527"><a name="p1165011850093527"></a><a name="p1165011850093527"></a><a href="OHOS-RootView.md">OHOS::RootView</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p362308015093527"><a name="p362308015093527"></a><a name="p362308015093527"></a>Defines the functions related to a root view which contains its child views and represents the root node in a tree structure. </p>
</td>
</tr>
<tr id="row78068916093527"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p579044818093527"><a name="p579044818093527"></a><a name="p579044818093527"></a><a href="OHOS-RootView-OnKeyActListener.md">OHOS::RootView::OnKeyActListener</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p184589608093527"><a name="p184589608093527"></a><a name="p184589608093527"></a>Represents the listener for monitoring physical key events. </p>
</td>
</tr>
<tr id="row1211209243093527"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1811084668093527"><a name="p1811084668093527"></a><a name="p1811084668093527"></a><a href="OHOS-RootView-OnVirtualDeviceEventListener.md">OHOS::RootView::OnVirtualDeviceEventListener</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1297723119093527"><a name="p1297723119093527"></a><a name="p1297723119093527"></a>Listens for the input events triggered by a virtual device other than human touching or physical pressing. </p>
</td>
</tr>
</tbody>
</table>

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

root_view.h

Overview

Related Modules:

Graphic

Description:

Manages a root view.

A root view is the view containing its child views. It represents the root node in a tree structure and is the parent to all the children.

Since:

1.0

Version:

1.0

Summary

Data Structures

Data Structure Name	Description
OHOS::RootView	Defines the functions related to a root view which contains its child views and represents the root node in a tree structure.
OHOS::RootView::OnKeyActListener	Represents the listener for monitoring physical key events.
OHOS::RootView::OnVirtualDeviceEventListener	Listens for the input events triggered by a virtual device other than human touching or physical pressing.

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简介

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近期动态

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