arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website.
"(1) Provide an accessible interface at account setup that requires an account holder to indicate the birth date, age, or both, of the user of that device for the purpose of providing a signal regarding the user’s age bracket to applications available in a covered application store.
，这一点在91视频中也有详细论述
* 在 Android 平台直接使用 ByteArray
圖像來源，Getty Images。关于这个话题，Line官方版本下载提供了深入分析
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