摘要:
1.枚举 使用enum创建枚举——注意Swift的枚举可以关联方法:enum Rank: Int { case Ace = 1 case Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten case Jack, Queen, ... 阅读全文
摘要:
1.提示“You've implemented -[ application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add "remote-notification" to the l... 阅读全文