问题
my android studio was working fine, a bit slow but it was working fine. but when I started it some days ago and tried to run, it started showing me Error that "no emulator installed". please help me. couldn't find any proper solution for it.
回答1:
No worries, just open SDK Manager (In Android Studio, go to Tools > Android > SDK Manager) and download an emulator.
回答2:
You need to install an emulator (Tools > Android > SDK Manager) or you can connect your phone to the pc (make sure on your phone you have enabled Developer Options > USB Debugging and use your phone as an emulator.
回答3:
I uninstalled "Android Emulator" and deleted emulator folder(is in Sdk path) and reinstall "Android Emulator", then the problem gone. Then I faced a new problem. That problem was:
"could not automatically detect an ADB binary ... this can be done in extended controls (...) > Settings > General tab ...."
I went Sdk path and deleted "platform-tools" folder, uninstalled "Android Sdk platform-tools" from settings and in the end reinstalled "Android Sdk platform-tools" and I successed.
回答4:
The tool (aka utility) named emulator.exe is normally installed in the folder: C:\Users\LOGGED_IN_UER_NAME\AppData\Local\Android\Sdk\emulator\
However the folder AppData is a Hidden folder.
来源：https://stackoverflow.com/questions/40514432/no-emulator-installed-android-studio