sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ swan-getScreenBrightness

title:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ swan.getScreenBrightness header:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ develop nav:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ api

sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ swan-getScreenBrightness

解释：获取屏幕亮度。

/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/

/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 方法参数/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/

Object/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ object

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|属性名/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |类型/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |必填/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 默认值/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |说明| |:——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |:——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |:——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |:——|:——| |success|/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ Function/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 否/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |接口调用成功的回调| |fail/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 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|/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 接口调用失败的回调函数| |complete/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ Function/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 否/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 接口调用结束的回调函数（调用成功、失败都会执行）|

/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ success返回参数说明/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ ：

|参数名/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |类型/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |说明| |——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ ——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ ——/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ | |value/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ /uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ Number/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ |/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 屏幕亮度值，范围/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 0~1，0/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 最暗，1/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 最亮。|

/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 示例

在开发者工具中预览效果

/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 扫码体验

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/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 图片示例

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*/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 在/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ js/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ 文件中

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});

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