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IDE 本来好好的，但是后来突然间闪退，然后发现再也打不开，本想着重新下载一个 安装包，然后删除原本的，就可以打开，后来发现还是不行。
大概错误可以双击一下studio
/Applications/Android Studio.app/Contents/MacOS/studio
然后会显示出大概
Last login: Sat Nov 13 09:11:44 on ttys002
xx@xxMacBook-Pro ~ % /Applications/Android\ Studio.app/Contents/MacOS/studio ; exit;
2021-11-13 09:18:19.381 studio[1819:30514] allVms required 1.8*,1.8+
2021-11-13 09:18:19.383 studio[1819:30518] Current Directory: /Users/xx
2021-11-13 09:18:19.383 studio[1819:30518] fullFileName is: /Applications/Android Studio.app/Contents/bin/studio.vmoptions
2021-11-13 09:18:19.383 studio[1819:30518] fullFileName exists: /Applications/Android Studio.app/Contents/bin/studio.vmoptions
2021-11-13 09:18:19.383 studio[1819:30518] Value of STUDIO_VM_OPTIONS is (null)
2021-11-13 09:18:19.383 studio[1819:30518] Processing VMOptions file at /Applications/Android Studio.app/Contents/bin/studio.vmoptions
2021-11-13 09:18:19.383 studio[1819:30518] Done
2021-11-13 09:18:19.383 studio[1819:30518] Processing VMOptions file at /Users/xx/Library/Application Support/Google/AndroidStudio2020.3/studio.vmoptions
2021-11-13 09:18:19.383 studio[1819:30518] Done
2021-11-13 09:18:19.383 studio[1819:30518] Processing VMOptions file at
2021-11-13 09:18:19.385 studio[1819:30518] No content found
Invalid maximum heap size: -Xmx0m
Invalid maximum heap size: -Xmx0m
2021-11-13 09:18:19.395 studio[1819:30518] JNI_CreateJavaVM (/Applications/Android Studio.app/Contents/jre) failed: -6
Saving session...
Cannot execute
Please run command with --verbose if you want more information
...copying shared history...
...saving history...truncating history files...
Cannot execute
Please run command with --verbose if you want more information
Cannot execute
Please run command with --verbose if you want more information
...completed.
[进程已完成]
根据上面的信息，我在下面这个路径发现了两个AndroidStudio
/Users/xx/Library/Application Support/Google/
我果断将这两个文件夹删除，然后重新安装一次 AndroidStudio ，后面就可以顺利打开了。
- 后来想了下 ，可能在打开多个as过程中，突然间弹出设置ReservedCodeCacheSize，然后我手误设置了，没注意到然后关掉导致
-Xms256m
-Xmx1280m
-XX:ReservedCodeCacheSize=1024m
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