Objective-C method XXX conflicts with optional requirement method XXX

来源:互联网 发布:java 第三方登录 实例 编辑:程序博客网 时间:2024/06/01 07:56

下载了一个swift的代码例子,但编译时在
func application(application: UIApplication,
didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
}
出现错误:
Objective-C method ‘application:didFinishLaunchingWithOptions:’ provided by method ‘application(:didFinishLaunchingWithOptions:)’ conflicts with optional requirement method ‘application(:didFinishLaunchingWithOptions:)’ in protocol ‘UIApplicationDelegate’

经查找,将函数改为
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject:AnyObject]?) -> Bool
就好了。
原因尚不清楚。

0 0
原创粉丝点击