android - 我如何设置 firebase OTP 数字的限制，例如 6 到 4？

Question

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Answer 1

截至目前(2019 年 8 月 1 日)，还没有办法做到这一点。

很多人都提出了此功能的请求。一位谷歌员工给了 this response 2017 年在 Google 群组上。

Thanks for the request! We don't have plans in the short-term to support 4-digit codes but I can see why it might be a popular choice for some apps and we'll look into supporting the use case in the future. Just as a heads up, the Firebase support channel (https://firebase.google.com/support/) is a great way to file feature requests.

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希望对您有所帮助。编码愉快!