为什么Passbook打开后亮度总会突然调高很多，退出后又恢复原先正常设置 - V2EX

为什么Passbook打开后亮度总会突然调高很多，退出后又恢复原先正常设置 - V2EX

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这是一个创建于 4402 天前的主题，其中的信息可能已经有所发展或是发生改变。

这个问题iOS6时候就存在了，一直以为是bug，但多个小版本也没改，现在到7了还是这样，难道这是什么特殊的设计？

3 条回复 1970-01-01 08:00:00 +08:00

1

tab

2013-09-30 13:43:36 +08:00

因为使用场景。 http://www.zhihu.com/question/21010615

2

terry0824

2013-09-30 13:44:24 +08:00

我觉得是为了提高扫描成功率吧

3

allenforrest

OP

2013-09-30 14:29:47 +08:00 via iPhone

@tab
@terry0824
多谢，很有道理，明白了

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