[英]Using Xcode 12 build errors for target macOS 10.15
As of Xcode 12.3, when you create a new SwiftUI project with a target of macOS, Xcode defaults the target to 11.0 (Big Sur).从 Xcode 12.3 开始,当您以 macOS 为目标创建新的 SwiftUI 项目时,Xcode 默认目标为 11.0(Big Sur) Without changing a line of code in the default "hello world" app created by default, I then change the target to macOS 10.15 (which is what I am still using) The default project swift file will no longer build.:-
在不更改默认创建的默认“hello world”应用程序中的一行代码的情况下,我将目标更改为 macOS 10.15(我仍在使用)默认项目 swift 文件将不再构建。:-
@main
struct catalinaApp: App {
var body: some Scene {
WindowGroup {
ContentView()
}
}
}```
3 Errors: @main, 'Scene' and WindowGroup is only available in macOS 11.0 or newer
How can I alter the project/above file to correctly build the default app on Catalina? (10.15) ?
thanks in advance!
Thanks to @Raja Kishan, the answer is simply to choose the App Delegate option in the choices for Lifecycle when creating a new project.感谢@Raja Kishan,答案就是在创建新项目时在 Lifecycle 的选项中选择 App Delegate 选项。
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