这个帖子会记录一些集成联调Firebase Analytics中遇到的一些问题，以备查阅。
1、在控制台调试Audiences，看不到数据，即使选择All users都是显示为0
老外的回复：Audience reporting is thresholded, meaning that until the number of users is >= 10, it will obscure the reporting for privacy reasons. So, once 10 devices have installed your app and logged events, your All Users audience will show 10 users.
https://stackoverflow.com/questions/37561584/firebase-analytics-no-data-reflection-on-audiences-tab