android - What is the difference between the "Android P" and "API Level 27" system images?

Question

What is the difference between the top two system images entries currently in this Android Studio dialog:

You can see that neither Oreo, API 27, or P or listed in the "API level distribution chart."

Answer 1

当前在此 Android Studio 对话框中的前两个系统映像条目之间有什么区别

Android P 是 P Developer Preview，目前是 Developer Preview 1。

API 级别 27 是Android 8.1。

Answer 2

Android P是 Android 下一个版本的 preview 1(initial release, alpha)。而 API 27 是 android Oreo (Android 8.1) 的Go 版本。

API等级分布图