基础API系统环境dlt.setScreenBrightness本页总览dlt.setScreenBrightness简介设置当前屏幕亮度参数Object object属性类型默认值必填描述screenBrightnessnumber是屏幕亮度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)取值范围:0-1 特殊值:-1 表示跟随系统示例代码dlt.setScreenBrightness({ screenBrightness: 1,});