title:/uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys//uploads/projects/swan-docs/program-docs/docs/develop/api/device_sys/ swan.setScreenBrightness 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-setScreenBrightness

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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/

解释：设置屏幕亮度。

/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/ |:——|:——| |value/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/ 是/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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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| 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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/ 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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