关于Android Studio自带的模拟器处于运行中但找不到的问题

模拟器在运行了但找不到，并且点启动模拟器出现了报错信息：

AVD xxx is already running.
If that is not the case, delete the files at
xxx
and try again.

 

解决办法：菜单栏找到View->Tool Windows->Emulator点击即可让模拟器恢复显示了