# wx.getScreenBrightness
### wx.getScreenBrightness(Object object)
> 支持版本 >= 1.2.0
获取屏幕亮度
#### 参数
##### Object object
属性类型默认值是否必填说明支持版本successfunction否接口调用成功的回调函数failfunction否接口调用失败的回调函数completefunction否接口调用结束的回调函数(调用成功、失败都会执行)###### object.success 回调函数
**参数**
**Object object**
属性类型说明支持版本valuenumber屏幕亮度值,范围 0 ~ 1,0 最暗,1 最亮#### 说明
- 若安卓系统设置中开启了自动调节亮度功能,则屏幕亮度会根据光线自动调整,该接口仅能获取自动调节亮度之前的值,而非实时的亮度值。
> 原文: <https://developers.weixin.qq.com/minigame/dev/api/device/screen/wx.getScreenBrightness.html>
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