"The big thing will be seeing friends and family and the people who they were expecting to spend Christmas with," said Helen Sharman, Britain's first astronaut.
Source: https://firebase.google.com/support/guides/security-checklist#api-keys-not-secret。WPS下载最新地址对此有专业解读
The Android platform already includes multiple security mechanisms that do not require central registration:，推荐阅读雷电模拟器官方版本下载获取更多信息
public val email: String = "",