最大最小背光亮度修改

修改文件：

frameworks\base\core\res\res\values\config.xml

 

1. 最大背光亮度

<!-- Maximum screen brightness allowed by the power manager.
The user is forbidden from setting the brightness above this level. -->
<integer name="config_screenBrightnessSettingMaximum">242</integer>

 

2. 最小背光亮度

<!-- Minimum screen brightness setting allowed by the power manager.
The user is forbidden from setting the brightness below this level. -->
<integer name="config_screenBrightnessSettingMinimum">10</integer>