问题描述
更新到MacOS Catalina后，我无法在模拟器上安装应用程序，在早期版本上还可以.但是现在，当我尝试运行模拟器中安装的应用程序时，会出现此弹出窗口.
I can't install app on my simulator after update to MacOS Catalina, it was fine on earlier versions. But Now when I try to run the app installed in the simulator I get this popup.
我已更改系统安全性和在终端sudo spctl --master-disable中使用此命令进行隐私设置，现在我的命令看起来像这样.
I have changed system Security & Privacy setting using this command in the terminal sudo spctl --master-disable and now my it looks like this.
但是即使在此之后我仍然无法运行该应用程序，您有任何想法，建议吗?我的Xcode版本是11.1&目标iOS版本是13.1，使用xcode运行时应用运行平稳，但是导出的app导致了此问题.
But even after this I can't run the app, any idea, suggestion ?My Xcode version is 11.1 & target iOS version is 13.1, app runs smoothly when ran using xcode, but exported app is causing this issue.
推荐答案
我能够通过运行以下命令来解决此问题.
I was able to solve this problem by running the following command.
xattr -dr com.apple.quarantine <path_to_app>
事实证明，如果您使用某些浏览器下载app，那么它会添加一个标志，该标志在catalina中被认为是安全威胁，运行此命令可以解决此问题.
It turns out if you download app using some browser then it adds a flag which is considered a security threat in catalina, running this commands solves the issue.
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