# CAMERA\_SCREENSAVER\_APP<a name="EN-US_TOPIC_0000001130489941"></a>

-   [Introduction](#section132119717356)
-   [Directory Structure](#section176641621345)
-   [Constraints](#section722512541395)
-   [Repositories Involved](#section16511040154318)

## Introduction<a name="section132119717356"></a>

This repository provides the screen saver capability. You can use it to:

-   Play the preset images.

-   Tap the screen to exit the screen saver.

**Figure  1**  Position of this repository in the graphics subsystem<a name="fig4460722185514"></a>


![](figures/screensaver_en.png)

## Directory Structure<a name="section176641621345"></a>

```
applications/sample/camera/screensaver
├── cert                Certificate
├── screensaver/src/main
       ├──resources     Resources
       ├──cpp           Source code
```

## Constraints<a name="section722512541395"></a>

C++ 11 or later

# 图形子系统CAMERA\_SCREENSAVER\_APP组件<a name="ZH-CN_TOPIC_0000001130489941"></a>

-   [简介](#section132119717356)
-   [目录](#section176641621345)
-   [约束](#section722512541395)
-   [相关仓](#section16511040154318)

## 简介<a name="section132119717356"></a>

CAMERA\_SCREENSAVER\_APP组件, 提供用户屏幕保护能力。它主要实现了以下功能：

1、支持播放预设图片能力。

2、支持点击屏幕退出能力。

**图 1**  组件架构图（红色框是屏保应用）<a name="fig4460722185514"></a>


![](figures/screensaver.png)

## 目录<a name="section176641621345"></a>

```
applications/sample/camera/screensaver
├── cert                签名目录
├── screensaver/src/main
       ├──resources     资源目录
       ├──cpp           源码目录
```

## 约束<a name="section722512541395"></a>

C++11版本或以上