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Android -- 屏幕亮度

获取屏幕亮度

int getScreenBrightness(Activity activity) {    int value = http://www.mamicode.com/0;    ContentResolver cr = activity.getContentResolver();    try {        value = Settings.System.getInt(cr, Settings.System.SCREEN_BRIGHTNESS);    } catch (SettingNotFoundException e) {            }    return value;}

设置屏幕亮度

void setScreenBrightness(Activity activity, float value) {    WindowManager.LayoutParams params = activity.getWindow().getAttributes();    params.screenBrightness = value;    activity.getWindow().setAttributes(params);}

screenBrightness 的取值范围在[0,1]之间。

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Android -- 屏幕亮度