一，android studio会发生模拟器启动不了的情况：
二，从命令行启动模拟器：
跳转到模拟器所在目录
Zhuanz1@MacBook-Pro ~ % cd Library/Android/sdk/emulator
Zhuanz1@MacBook-Pro emulator % ls
_CodeSignature lib package.xml
android-info.txt lib64 qemu
bin64 LICENSE qemu-img
crashpad_handler mksdcard qsn
crashreport netsimd resources
emulator nimble_bridge source.properties
emulator-check NOTICE.csv
include NOTICE.txt查看帮助
% ./emulator -help列出所有模拟器
% ./emulator -list-avds
Medium_Phone_API_36.1从命令行启动模拟器:
% ./emulator @Medium_Phone_API_36.1三，效果:
