如何修复在范围内找不到“FirebaseApp”？
我有问题。请帮忙。每当我尝试运行此代码时，它都会出现错误并显示在范围内找不到“FirebaseApp”。请帮忙！！！
import UIKit
import Firebase
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions:
[UIApplicationLaunchOptionsKey: Any]?) -> Bool {
FirebaseApp.configure()
return true
}
回答
有时会发生在可可豆上。尝试以下步骤
-
清理你的构建 -
Command + K -
删除派生数据 ->
Command + . -> Locations -> Derived data -> Delete all the sub folders. -
现在退出您的 Xcode 并重新打开它。