自己定义一个swift文件,命名main.swift 加上下面这段
UIApplicationMain(
CommandLine.argc,
UnsafeMutableRawPointer(CommandLine.unsafeArgv)
.bindMemory(
to: UnsafeMutablePointer<Int8>.self,
capacity: Int(CommandLine.argc)
),
NSStringFromClass(UIApplication.self),
NSStringFromClass(AppDelegate.self)
)
NSStringFromClass 可以自定义UIApplication
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