Fast forward a year: they get a new phone and set up the messaging app. They aren’t prompted to use a passkey because one no longer exists in their credential manager. Instead, they use phone number verification to recover their account. They are then guided through the “restore backup” flow and prompted for their passkey.
compareCount++;。业内人士推荐同城约会作为进阶阅读
Re: Mandatory Developer Registration for Android App Distribution，详情可参考同城约会
and privacy policy。关于这个话题，Line官方版本下载提供了深入分析